what's the answer, gang? 12. 12, and that's 12. that's ohm's law, ohm's law. ohm's law just gives us the relationship between current, the voltage and the resistance. kinda neat stuff. now, when i touch this like this, gang, i'm getting current that flows in one direction. goes from here to here or here to here, or i don't forget which is which, okay? but it flows all in one-- we have a name for current that has one directional flow. guest what we call it, gang. direct. direct current, dc. to say you have dc current is to say you have current that flows in one direction. that doesn't mean it has to be steady, steady, steady, it could be pulsed. you go off, on, off, on or something like that. but always one direction through the wire. and then you have the kind of current that lights the lamps in the room here and at home. and the kind of current you have in your home, and what is that? alternating. it alternates back, forth, back, forth. we call the kind of current that alternates back and forth guess what. -

the victim was a southern mexican gang member. but all violence in prison is gang-related. especially when you're talking about an assault where weapons were used where a guy was hurt this badly. it just doesn't happen without it being ordered or authorized by the gang. we believe right now that it was other southerners that attacked him. he was probably in trouble for one thing or another that he did in his past, violating gang rules. you can hear them doing their little solidarity inside the unit there. we don't know exactly what he did. hopefully we'll know in the next few days. >> it's important to get somebody, you're going to get to you. coming to prison made me more violent than what i was. it's about getting basically your little piece of america, but in prison. if a new yard opens up, you're going to fight for that handball court. you're going to fight for some tables. we're going to get our peace for our people and we're going to secure that area, but if you are a northerner, and you come into the areas, you're going to get stabbed. it's a whole different lifestyl

gang, it really did. if it weren't for things like this, these devices, you know, people's teeth would be all green. you know when you see your friend, you smile. and one of the things that's nice is a nice sparkly teeth, right? without one of these things here, everyone would have green, scummy teeth. you know why? because there'd be no such thing as an electric toothbrush. [laughter] yeah. yeah. you see people rather healthy today? people are rather healthy. you know how people would be if they didn't have motors like this? we'd be emaciated, we'd be undernourished because there'd be no electric can openers, there'd be no way to open the cans of food. [laughter] okay? you hear what i'm saying, okay? you see people their clothes how lint-free? if it weren't for devices like this, you'd have no little lint machine to take the lint off. the world would be different without this electric motor. this electric motor adds to the quality of life. will you agree, huh? think about the electric motor every time yo

why is that true, gang? it's attraction, attraction, attraction and pretty soon i get enough charge on there so-- but you see there's an initial attraction. let me try that with a charge of opposite sign. here's a positive charge. and it still attracts. why? why that's true is very interesting. it has to do with the-- an idea called charge polarization. let me show you what i mean. in this little piece of material here are little charges. they're just as many positives as negatives. when i bring the rod over-- let's suppose the rod is negative. the negative does what? pushes the negative part of those molecules over to one side and pulls the positive side-- positive end this way. for example, i have a little molecule like that, it will probably go like that. tend to pull it like this. now, the charges are moving through the material because it's an insulator. but the molecules in there, i can reorient and pull the positive side toward and what do we got now? now, i got the positives and negatives. what are l

>> you have to join a gang.g 15 to life ♪ ♪ 15 to life ♪ ♪ 15 to life ♪ ♪ doing 15 to life ♪ doing 15 to life. that's it. >> in an isolated part of california's central valley is corcoran state prison, one of the state's largest maximum security institutions, housing many of its most violent criminals. now, corcoran first opened in 1988 and was the site of so-called gladiator fights in the mid-1990s in which inmates fought to the death in concrete yards while guards allegedly looked on. the guards were charged and acquitted of subjecting prisoners to cruel and unusual punishment. but when we first brought our cameras into corcoran in 2000, the prison was still recovering from that scandal. in this hour, we'll take you back into the highly charged facility to see whether it has overcome its notorious past. >> home again. ♪ >> my life's in danger. if i stay in there, then i end up getting stabbed. >> that's stored under extreme pressure. it's a powder keg. it's a powder keg. >> basically, it's pure hell. it's hell

part of gangs is paranoia. it's like a virus. it invades. sometimes people hear things that weren't said. sometimes people see things that didn't really happen. as an end result, a lot of innocent people died. i just tired of all the lies, you know, all of the backstabbing, all of the politics, paranoia. i just got tired of it. >> victor joined the mexican mafia while serving a prior 23-year prison sentence for kidnapping and aggravated assault. a recent parole violation has landed him back in jail where he has adopted a fatherly role with some of the ex-gang members in his unit. >> you want to earn your keep but you want to do it the right way, the legal way. >> i'm too old. can't do it. >> can't be going to prison at this age. >> among those victor counsels is johnny robles, charged with attempted capital murder and theft. he pled not guilty and is awaiting trial. >> you get to a pin the where you have got to make a decision. is this the type of life that i want? >> i have to first of all be -- willing to cha

but you know what, gang? these ideas apply to sound, because in the case of an aircraft going faster than the speed of sound, it's gonna leave a conical-shaped wave behind. and that's called a shock wave. so anything that moves faster than the speed of sound is gonna have the sound all ganged up and form that high-pressure cone. this is really high-pressure air, just like with water that would be high wave, yeah? and now high-pressure air, when you encounter that down below-- let's suppose this is an aircraft now, not a bug. the person up here says, "hey, wow, look at the aircraft, man, silence." "no sound at all. "hey, they finally made it. they finally made it. no, boom." okay? and this thing here, finally-- wash right over and when that hits the listener, the listener can't tell the difference between that and like dynamite going off. i used to prospect in colorado. we'll be way out in the mountains and sometimes we'd hear-- --hey, is that someone prospecting, someone nearby, someone making some dynamite h

ain't that neat, huh, gang? but, sometimes, you can make things vibrate in the direction in which they would-- how do i cut this off? we'll have a little vibrations as we continue, gang. sometimes, you can get the vibrations matched to an object's natural frequency. because it turns out that everything-- everything will vibrate at its own frequency. and once in a while, you can set something vibrating without touching it. and when that happens, we don't call it refraction. guess what we call it, gang? it begins with an r, nonetheless. - resonance. - resonance. let me just show you an example of resonance with a couple of tuning forks. i've got these tuning forks so that they're the same frequency. i think they're 256. yeah, 256, musical note c. yeah? okay. what i'm gonna do is i'm gonna strike one fork, and you listen. hear that? now, you guys think, "oh, hewitt struck that one too." no, i didn't do it. why don't we try it again? watch. no, no, no. okay? i can resist horsing around. you get the--i strike this fr

child molesters or gang dropouts.hing we learned about prison, doesn't matter where you're housed, your safety is never guaranteed. >> we believe you may have been a victim of a battery. >> joseph de la cruz is a gang dropout, serving nine years for attempted murder at california san quentin state prison. when we first met him, authorities had just discovered that he had been assaulted inside his protective custody cell. >> this morning, you come out of your cell, we did a sweep to find out how many people stayed behind. you were discovered with injuries. and here's the medical report. >> despite obvious injuries, de la cruz refused to give correctional staff any information about the attack. >> we're trying to find out who -- i want to tell them what happened. >> any specific individuals you know are your enemies? >> no, sir. >> how about any prison weapons offenses? >> no, sir. >> do you belong to a gang? >> no, i don't. >> aside from what you're being accused of being a victim, are you involved in any other batteri

same, same, gang, same, same. so if you're taking a photograph of you and your friends standing in front of a mirror, all right? and you don't have a focus device you can look through, but you have a setting. and let's suppose you're, like, you are three mirror-- three meters in front of the mirror, and you're taking you and the gang, yeah? now, you want to set your setting for three meters or what for your image? check your neighbor. okay, gang. what would be the answer? you stand three meters in front of the mirror, what are you gonna set your setting for the image? where? how many meters? how many say answer begins with a-- [makes noise] how many say answer begins with a-- yehey, that's six, six meter. your image is gonna be six meters away. so your image would be as far behind the mirror as you are in front. makes sense? yeah. now, if you have a curved mirror, different rules, okay? and it turns your image distance will be more complex. we won't cover such thing now, you know why? because it's a little bit mor

>> young and most of them are gang related. >> what gang? >> heartless felons. >> i don't see half of them as heartless felons, other half is general population. general population gets preys on by the heartless felons. >> sammy mcclaren is a veteran officer of 24 years. >> heartless felons is one of the many gangs we have in the county jail but they have the one we have the most problems with. they become very violent and persistent and they don't mind to letting people know what their agenda is. >> the heartless felons originated in 1999 inside the county's juvenile facilities. >> they felt they were getting disrespected and being mistreated and tired of people messing with them. they formed a group, which will be known now as the heartless felons and they demanded to have respect. >> i came in when i was 15 years old and we had no family, nothing, no money on our books, nobody to care about us or whatever. my rank is boss. i'm not at the top top. but i'm one of the people that call shots. i want to be the hnic, be the top man, al capone.

anyway, anyway, gang-- is this, gang, we have to be patient of where we are in our history. everything doesn't happen at once. we're still growing, you know? now, with this fusion, how come we don't have fusion power plants? it's too hard to take these things and push them together. it's enormous electrical repulsion. if you'd heat this stuff up to a gas, maybe above a hundred million degrees, these things will be fast-- going fast enough, they'll scrunch. how does the sun and the stars do it? brute force, gravity. [makes sound] i say, "i don't care electrical repulsion, no electrical repulsion." wham. right in. and the sun and the stars is just brute force these things together, and you get your fusion. now, how do we get that-- how do we do that in earth? we've been trying brute force. with plasma reactors. heat these things up to over a hundred million degrees, get that gas, pinch it with magnetic fields. boom. try to get it defused. has the human race done that? yes, we've done that. have we had a sustained reaction? no, we haven't had a sustained reaction. have we had a

here we go, gang. we do, by experiment, one of the beauties of science is you do by experiment, huh. you don't just do it all in your head. here we go. [makes noise] oh, oh, first of all, i should say this, you guys get the white again. let me put a reflector here. so all this beam energy goes down here, and this beam energy is gonna scatter off here, all right, okay? [makes noise] what color do you guys hear? blue. do you hear blue? you all get it? good. maydell, what color do you hear? white. yeah, she heard white. why did she hear the white? because she's standing right next to the-- that's right, honey-- some, some, filtering. she could have come right at her. it's a good thing you didn't have your eyes there. [laughter] oh, god, no, no, don't. let's get your ear in there. just get your ear, okay? you heard a white. isn't that true? okay. here we go. okay, like that. now, we are at sunset, gang. sunset, uh-huh, all right? air is thicker, huh? what color do you guys hear? blue. white. orange. yellow

very often gang members are prosecuted alone like one gang member for murder, one for armed robbery. they could infuriate an entire gang. the more likely is that it is a single person acting alone. >> so the harris county officials are now putting out the alert and protecting their own. harris county down in the houston area. i'm sure you will remember there were federal charges brought up against arian brotherhood members in houston last fall. my concern is like you said, they can be prosecuted individually. can they become members of the gang once they end up in prison? >> absolutely. it's some people think it is harder to try. if you go behind bars you can find out who has the kind of members of the gang specifically arian brotherhood has never been really secretive. they make no secret of their activities. danger to prosecutors has always reared its ugly head. i recall prosecuting for a decade in intercity america. i had my tires slit on my car when i would get out of the courthouse. and my car windows would be bashed in. there was a time during a

pay attention, gang. let's suppose someone's standing on a planet here and they have a flashlight and they shine a flashlight off to a distant planet over here. and people on this distant planet are gonna have a telescope all lined up here and they're gonna stand right here and they're gonna watch the flashes of light. and let's suppose a person here emits a flash of light every three minutes. this little flash, flash... i got a question for you. if there's no relative motion between the two planets, it's gonna take some time for that first flash to get up here. but under zero gravity here, boom, sees a flash. how long they're gonna have to wait for another one? three. - and the next one? - three. - and the next one? - three. they'll come at regularly spaced intervals, all right? now, let's suppose i have a rocket ship that's traveling at a very, very high speed between the two planets. now, this rocket ship is traveling away from the planet, the source of light. will that rocket ship see the flashes as o

we're probably unique in how we deal with the gangs out here. we've accepted the fact that there are going to be gangs and there's nothing we can do about it, so we try to control, you know, what they do. and we use the leaders a lot to control that. most of our leaders here have done a lot of time in our maximum security facility. they don't want to go back. and we hold that over their head. we tell them to keep their people in line or they're the first ones that are going to go down, because we know how gangs work. we know this gang member isn't going to do anything unless he's got it cleared to the top. come on in, have a seat. so you want to give me your story? >> well, i mean, to be honest, i don't really have one. i mean, i feel like this dude is just trying to get out of trouble. he knows who i am and i go under the bus every time. >> who was the other guy? >> wright. >> the other one that got him -- >> yeah. >> was he doing something to him? >> no, i mean, maybe. i mean, everyone knew this guy was a piece of trash, but who knows, you kno

enforcement officers became frustrated by the cycle of violence they witnessed permeated in the gang culture of san francisco. the officers developed an outreach program in 2010 to help secure jobs for young men in an effort to chem then from participating in gang life. so now, i'm going to tell you a story that will relate to me that shows the special kind of individuals i'm talk about and how they helped a young man named carlos. the officers have seen carlos hanging out with gang members and suspected that he might be involved in a elicit activities around the mission areas after warning him that he was headed down the wrong path carlos was arrested is six months later when he was relevancy released from jail, the officers approached him about taking up a job as an alternate form of lifestyle with the approval of the captain officers cathy and san put together a contract securing a job for carlos if in turn he would stay away from gang members if he took the contract he would take the job and he agreed to the contract and began working a year later. carlos took a higher paying job

known to san jose for norteno gangs. >> reporter: many times the victims of gang violence are gang members. they often end up here at santa clara medical center. >> it can be hundreds of thousands of the dollars to millions of the dollars for a patient if they have a serious multiple gunshot wounds. if we can save that health care costs that's very important. >> reporter: victims of 145 stabbings and 245 shooting victims were brought to the hospital. now a program is being used to try to get them out of gangs. >> if you can get them thinking on how they would make their life different, we can have a real impact. >> bernie, hi brother. >> reporter: they're not law enforcement which is one reason they have an easier time gaining the trust of gang members. fernando and bernie are charismatic, likable and most important for their job comfortable around the blue and red that define the gangs in san jose. they also care about the young people they work with on a daily basis. fernando attended four funerals for former clients. >> you work with these guys for so long. i look at them as, you know a

the gang squad went and they did a sweep on my neighborhood, on my gang on the streets.nd because i'm in jail, they think i cut me a deal to turn in a couple of my homies on the streets so i could get out. basically they made some threats toward my girl like, because everybody knew where my old lady lived at. >> the next day, martinez was allowed to contact his fiance before anything happened. but he says the experience only deepened his resolve to give up gang life. >> my whole life i've been doing this. i've been in and out of jail since i was 10. the longest i stayed on the streets was three months. i know anybody who's anybody on the streets. not one of them put money on my books. not one of them sent me a postcard, visit me, or call my old lady when she's struggling, ask her if she needs gas money or if manuel is doing all right. none of them do that, you know what i mean? it's overrated, straight up. it's very overrated. everybody is afraid of the last part of their name, mafia. the mexican part, once you say mafia, everybody shivers. ooh. i don't give a [ bleep ].

of a rival gang member. it appears they videotaped the whole thing. they're members of the taliban gang in east palo alto. they were arrested for a probation violation. the video shows both of them abusing the 4-year-old of a rival gang. >> one was threatening the boy with a belt. it appears the boy was struck on the head with a firearm magazine. >> the boy was able to escape. both men are charged with assault with a deadly weapon. false imprisonment and making criminal threats tied to gang activities. >> paramedics in santa clara county are struggling after one of their colleagues was shot while driving in the oakland hills. grief counselors were on hand at santa clara county ems today. clint boyer was clinging to life in critical condition. someone shot him in the head causing his car to plunge down a deep ravine. police are still looking for the shooter and trying to determine a motive. >> the santa clara county district attorney is responding after nbc bay area obtained exclusive video of a man accused o

what do we got here, gang? 8, 9, 1, 8. eight is what? biology types, chemist types, physics types, that's oxygen. what isotope of oxygen? most oxygen is 16, yeah? - this isotope is what? - 17. if we put a 16 here, 16, 1 and 17-- 14, 18-- it's gotta be isotope 17. and that kinda made some history for thscientis succeed in deliberately changing one element from oneind tonother. artificial transmutation. at only occurs with nitren? that occurs with-- this is the historic one. now, you do it with all kinds of things. every time you slam particles down the end of an accelerator, you cause atomic-- nuclear transmutation. it's routine today. it's just that this historically was the first one that people were able to observe. that's artificial transmutation. slam nuclei into others and you rearrange them. that rearrangement process is called transmutation. paul. so what you're saying is today we can change lead to gold? yes, we can change lead to gold. would it stay that way or-- and the cost of doing that will not be economical. but would the s

it's the most violent gang are.utside the prisons as they are inside, or do we even know that yet? >> well, having studied them for over 30 years, they are a violent prison gang. i would dispute that they're the most violent prison gang in the united states. there's a lot of research that shows that others are more violent, but in regard to the abt, they carry out their criminal enterprise in a violent way. >> the criminal enterprise, deb feyerick was reporting, has a lot to do with many. people think it might have to do with race, but it's with money. does that square with your experience with these members? >> well, when gangs form in prisons, they form along ideological lines of racism. but they all evolve into the -- to the economy of the prison. and also when they hit the streets, they involve criminal enterprises. >> and i've heard that there has been a nationwide effort for quite some time to continue a process of segregating these prisoners. and not so much segregating them together in the prisons but segreg

the congressman is part of the gang of eight in the house. what's going on with this gang? >> there are a lot of questions about that. we know a lot more about the senate than we do about the house. we have several senate hearings scheduled and then the bill will go through senate committee and to the senate floor. all of that is fairly certain at this point, especially given the makeup of the senate judiciary committee that a bill will get out to the senate floor. the house is more different. you have a gang operating there that until this week when the senate bill came out, the gang in the house didn't even acknowledge publicly they were in existence as a gang, though it was the worst kept secret in washington. in some 's also that ways while it has blessing from house republican leaers to some extent, it's much different than the chairman of the jew dish compare committee in the senate who was active pli hi pushing,, bob goodlatte, he is taking a different track altogether. talking about maybe going for some piecemeal bills, doing hearings, trying to see where there are

if you could just talk about different things, not just hispanic gangs, black gangs, white gangs, how people, those organizations might be converted to the positive things >> well, let me just add or say that one of the ways to do it is to care. what i do, and what homeboys says is what i call scared straight, not scared straight. you care, open up your hard and show people that there is humanity in them and us. sometimes the kids don't believe that other people care or that the people will stand by them. they test all adults because why should they invest in the motion and adults the walkout when things thereof. what i try to do and what many of us do is hang in there, hang in there. go through rough times to the point that we're actually walking. not ahead of them, not pushing them go walking with them until the point that they can walk on their own. the idea is to give them the discipline and respect and structure to live their own life, not my life, not somebody else's life. the thing that is out to do it. been doing it for 40 years. part of the game the sentry's the came out of t

so joining me now from new york, one of the leaders of the so-called gang of eight, democratic senator chuck schumer. senator, welcome back to "can meat t meet the press." is a deal at hand for immigration reform? we know about the issue having to do with visas and wages between the business lobby and the labor lobby. is a deal done? >> well, with the agreement between business and labor, every major policy issue has been resolved on the gang of eight. now everyone, we've all agreed, that we're not going to come to a final agreement until we see draft legislative language and we agree on that. we drafted some of it already. the rest will be drafted this week and so i am very, very optimistic that we will have an agreement among the eight of us next week. senator leahy has agreed to have extensive markup and debate on the bill in april, and then we go to the floor, god willing, in may. i hi we're on track. >> you were quoted as saying the deal is near, the deal is at hand, and all of that coverage got senator rubio, the republican, part of this gang of eight to say, whoa, whoa, whoa, no

(laughter) that is not a gang. how is that a gang? "i get a teardrop tattoo for each apartment application i reject." (laughter) "this tattoo right here, the woman had a dog." (laughter) but a path to citizenship is good news seeing as this is the current path. (audience reacts) so any path is better than this. on sunday gang of eight member captain thirsty, a.k.a. no-spit johnson, a.k.a. the human dessicant, a.k.a. the gel packet they put in clothes so they don't retain moisture, rubio laid out the path. >> you're going to have to pay a fine, an application fee, you have to pass a background check. >> jon: (laughs) background check that's easy to get around, background check. all you've got to do is tell immigration you're a gun. (laughter) still, that doesn't sound so bad. you get a few fees, a few forms then you're a citizen, right? >> assuming all that happens the only thing you get is a work permit. >> jon: oh. well, that's kind of a lot of work just to be allowed to do our (bleep)est work. but you know what? it's all worth it wh

i loved it. >> having abandoned his family for gang life, kirkpatrick turned to other crimes.when we met him, he was serving his second prison term, eight years for burglary. >> i know right from wrong. i'm not a stupid individual. i might make stupid decisions, but i'm not a stupid individual. >> during his time in prison, kirkpatrick still had his gang to fall back on, but like his biological family, he eventually left his gang family, though not totally on his own accord. >> i was holding contraband, and i was holding something, and i lost it. yeah. i had lost it. >> any specific enemies, names, numbers? >> no. >> kirkpatrick explained the contraband was a packet of gang information including a roster of current members. when he realized it was gone, he was afraid the gang might order a hit on him as punishment. >> i told the c.o., look, i got to go. he was like why? i said because i lost something i'm not supposed to. you need to get me out of here before something more serious happens. >> kirkpatrick turned his back on his gang. he requested a move to protective custody.

family said he just a-- gang member. family said he just arrived home from a spring break from college. >>> two san francisco police officers are trying to lure young people out of gangs or prevent them from joining one in the first place. new tonight at 6:00 p.m. ktvu's eric rasmussen has more. >> reporter: these officers admit this is a up hill battle. gang members tend to do well but that is just one part of their strategy to make the streets safer. >> you see a lot of blue, that end, a lot of red. >> reporter: they say gangs are still a serious problem in san francisco's mission district. we attached two cameras to their car. >> he is in the program. >> reporter: within minutes they spotted someone on probation. >> you are not supposed to be hanging out. 5 seconds. is this the only place you can eat? >> reporter: they are offering more than just a warning. those who are willing can get help finding a job. >> we try to talk to them and get them going in a good way. you know, and put them on the right track. >> the off

not just a loose prison gang.ually, highly organized gang that may have connections to the mexican drug cartels. more on how they became so sophisticated and are such a threat, t.j. lyden, author of skinhead confessions, with the southern poverty law center. mark, let's start with you. how sophisticated are they and do they have a business operation? >> they're sophisticated enough that they are able from their cells in prisons, often in solitary confinement, to essentially direct a criminal empire that extends beyond the prison walls and out into the streets of our communities. what i mean by that largely is that they're running a very major methamphetamine distribution racket, something that reaches the millions of dollars. that, i think, has really been the remarkable thing, how they're able to get their messages out by written codes, verbal codes, sometimes through the use of their wives, girlfriends. get messages out. the fact is that the leadership, by and large, is in prison and often locked down, yet able

you start banging, i'm quiting. >> the gang, x1, city-wide damage. i don't want any of that. >> we'll see, man, we'll see. (music). >> (inaudible) dangerous element but it's all about fun, right? until. >> hey, mr. torrez, are you all right? >> they ran in, they grabbed all the money out of the register, they even grabbed a case of beer. >> i'll call the police. >> what is that going to do? that's it. you know they are coming back and next time i'm going to be ready. >> i'm worried about him. he can't sleep. he keeps hoping -- hopping out of bed every time he hears a sound. >> i know what you're going through. my boy would have graduated high school this year. >> i remember him. he was such a polite boy. just in the wrong place at the wrong time. another innocent victim of random violence. >> why do so many children have guns anyway. isn't there anything we can do to stop it? >> i don't know. i just don't know. i guess all we can do is hope and pray. >> what is the value of a human life? maybe that's what we need to think about. the ancient greeks ha

in this case it might not be drug gangs. it might be white supremacists.alk talk with mark from montgomery alabama. any reason why people are speculating this is white supremacists? >> yes, i do have a sense of it. the chronology of it there has been a major effort by prosecutors in texas to smash the aryan brotherhood of texas which has become arguably the most violent white supremacist group in america claiming 100 murders and 10 kidnappings since it was formed in the 1980s. last november there was a huge racketeering indictment against four of it's so called generals, it's leaders. a month later is when the department of public safety of texas put out a warning to prosecutors saying they had intelligence that leading members of the abt were planning massive retaliation against public officials and in particular officials. there was a murder in execution-style killing as he got out of his car to go to work at the county courthouse at 9:00 in the morning. two months later after mike mcclelland's provocative comments that we're going to find you scums and