finding a captivating story about the struggle for forgiveness. i'm sure. guardians of trees, julian, his terms on the dark secrets of war, starts july 27th on d. w. the. the final approach recorded by the onboard camera on the chinese chunk o 6 lunar pro. as it landed on the far side of the moon in early june 2024 also on board was an instrument belonging to the european space agency, a sub which for the 1st time detected the presence of negative ions on the lunar surface. that will help scientists better understand the chemical composition of moons discussed which is also called regular blankets the surface of the moon. the lunar pro brought to p elizabeth back to earth. one day regular might be used

to build a town post on the moon, the office, and more on this edition of dw science magazine. welcome to tomorrow. today. it might be boston literally. but the moon is in vogue again. even the powdery layer of the moon dust on the surface holes hidden treasures for ultimate on the moon. this is gray, desolate, the regular hazel need some definitely get the thoughts of rule materials that we could exploit to the bill notes and you couldn't. and somebody we could build the streets on the moon, on landing sites where rootkits could longdon take off again from light on stop motion inside, excuse me, we want to make use of that roll material. we're stuck with the only one that's available to us to build infrastructure on the main streets, habitat. so all the things we wouldn't want to bring them on for the adams at the technical university of. but then students are testing how this one's energy might

be harnessed to build routes on the moon. using a bit of a to special mean dust and sizes came up and the system has a solar sensor which moves the lens higher level to the sun. set 2 mirrors of directing the line to the ground. god often wouldn't picked up. the energy from just a few rays of sun are enough to mount the sand team. we'd like to see a system on a rose on building roads or more on not the moon just becomes a start. and instead of whirling around and coming up key is all that i'm screaming . the band in research is keen to figure out how named us could be used to make things like gloss and breaks. bringing payloads from the s to the moon is precipitously expensive. this computer, i mean there are a lot of providers who want to transport things to the move, which would cost about a 1000000 euros. a key though, i remember, you know, the substances to recreate moon dust here on this can be found. the volcanoes like

pass out and folks spa, which should be as dry as possible. he didn't of came chamber at 1400 degrees celsius. the material tends into a lot or thoughts resulting motion mean reckless. looks promising. because the new one's done this yet. with this, you've done it in a vacuum and it's really impressive and when mainly hoping to build competence house easily, the structures, the solar cells on demand for the possibilities of a nice and moon dust is more granular. i'm not quite as smooth inch to stuff to you on this home. i'm and looks like we have 2 main ingredients, bustle containing material on the notes assignment for conic material. they can be mixed together to create various luminous soils. moon dust contains no water, but at $1500.00 degrees celsius can still make for 6 months to lock the oven used to make and break. so would have to be brought from a copy built on the moon. but a 100 kilo oven could process and produce many times the material i can put it in.

generating energy on the moon is also feasible. in theory, the sun shines very brightly, i never know clouds. so electricity could be produced using solar cells. along with the brakes, the students in berlin have been able to make gloss to the gloss, needs to be as light permeable as possible. then it can be turned into a solar cell here at the university of puts them so that the class needs to be as thin and transparent as possible. come on, we have one, we want to put cheese pearl guide, so the styles on new gloves with more so the gloss with the mind. moulton made on the noun and then, and then a micro millimeter layer of the world sky would be applied to it. a pearl street is a synthetic crystalline material that can be dissolved into a solvent. in

a vacuum chamber, it can be sprayed and then even co tons of cut off. then some copper is applied at a lower temperature. for all sky offers many advantages for the usual silicon and back home and out of space that's causing the radiation which can sometimes knocking at them out of place. and that leads to a dfcs that damages the. so to sound full body pearl sky, it is so sullivan holes that if an item is dislodged, it could just fly back into position. so the, so the cell could remain functional for decades, even you know, to space the finish. so the cell is made of 2 glass plates with a layer, referrals guides in the middle. now they'll see if it works in a vacuum. the soda side is placed on twin onto the visual some. a moment later, it's generating electricity. yeah. wow. 10 percent. wow. yes, i was leaving a soda, so then we bring one kilo pearl sky to into the me,

and that would give us a full 100 squared me to layer 3 volleyball codes on which could generate $500.00 killer watts of power researches all over the world. are developing new technologies for exploring space, the biggest private competitive for luna. so the sales display origin founded by jeff. but he's also having a shop on it. so they were able to build a silicon, so to solve it with an efficiency of 6 percent of these 10 percent. so we're doing better than blue origin, yet that that region in this race to the main, the goal isn't just to plant a flag or collect a few pieces of lou wrong, stinking for guns kline on the phone. we thoughts on a very small scale loss and then using the energy from the 1st so the south will make the next one is my room and eventually have a small town on the moon us, which would continue to grow somehow for century after the 1st lunar landing

people are aiming even higher. they want to live on them in the germany ranks among one of the top 3 most popular countries to study and in the world. one and 5 students at, for many universities, come from abroad. what many of them don't realize just that it can take a bit of time at 1st, a true feel at home here i always saw germany as a power. those but my 1st day here in berlin, i good luck. my name is leg i am from cuba. i mean i've exchange here in burden. a nice area to victor. i say where it starts and expectations. and this is how i see germany. now. we have the assumption of thinking that germany is a birthdays because of the way that they reconstructed themselves because of their technology because of products that they do and i can things are living and burned

. and it's not that much a part of those. it's not that easy to find the job as you would say. it's not less cleanest you would think it is. now i can see the more real face. so for let's take maybe more cash or less formal. but that's what i like actually from the city. all of those aspects you would think about germany, somebody reality and some are not the 1st day that arrived here, they went to a coffee shop. i didn't know that it was a sketchy place to be in berlin. 3 guys approach me asking for money. i said they had no money but then they took lights and at the. busy they gave them the money, i spend the running the this my dad is the german to my friends. busy to. busy

me and my brother to learn some german, they thought that having the 3rd language would be amazing plus in our lives the can to let the difference is that they push it to study. and that's how you learn. they pushing, especially in architecture, you're under almost the comment of the teacher. and during germany, you're more free to do what you want to find your own bed. the monday. but i expect that i have time, but i didn't expect to have to in germany. i was expecting for something way more intensive in germany. they enjoyed the process more. they use the free time to learn by themselves the

there's no much competition between students into loose. we were like trying to compete to get a better rate than the other or whatever the german people are sometimes run fish, especially in the industry. it's riding the bike. they are quite grumpy. yeah. they've cream to me because of the writing, so slow or making it there and they're all way. so yeah, it's good coverage for the knowing german living in berlin is important. i bring you up to learn at least the basics of the german thoughts. i know respect basically i'm really interested in knowing what i'm doing here is that the international students, they like to talk,

they like to to ask questions about where i come from the german. so i have been pretty mean already. well here and there really accepting me . so yeah, i feel like, oh the sheila is especially interesting to scientists in part because of the extreme variation and it's landscape snow covered mountains in the andes. strange glacier formations in the south and the on to come a desert, one of the most parched regions in the world. here astronomers use high tech telescopes to have service guns, and there's also a rather special power plant here. the pseudo told me that the plant is located in the outer comic desert of western shit. a 10600 mirrors are directing solar radiation to the top of the tower. the mirrors here are replacing solar cells. they're concentrated light,

keeps up molten salt. it's pumped to the top of the tower, where it reaches temperatures of more than $500.00 degrees celsius. the salt stores the heat, allowing the true buttons at the tower space to generate electricity, even when the sun isn't shining. what is it? i must, i mean this technology allows us to store energy over a long time. then think what the road us see the money we can care on it and 24 hours a day, 7 days a week, lou to a contract and they will see this technology will help us in our fight against fossil fuels, especially gas and holes. incredible, and one of the biggest obstacles to renewables is storage. that's where fossil fuels have a key advantage. molten salt could be the game changer, a continuous controllable source of energy that can be stored to balance out nature's unpredictability. the mixture of salts matters to here at the university

of onto full gas. the researchers are working to optimize the recipe and further boosted storage capacity. or the these days we use a mix that's called solar salt because it's made of sodium nitrate and potassium nitrate need that i believe that that makes is especially well suited to storing heat into bed, which allows us to stay online 24 hours a day. and even when there's no incoming solar energy to line, it keeps a lot in an insulated tank. the super heated solid can store energy over weeks and months very efficiently. the researchers believe a thermal battery could be used that we used for about 30 years. in principle, various salts could be used for the mixture, depending on cost and local availability. all those factors play a role in optimizing the solar solve recipe, its cost effectiveness and its properties. but there's another problem. salts are very corrosive. whichever thing at the thought or you have done

so there's still plenty of room to advance as technology in terms of the storage materials and the materials used for containers like as tanks on page 1150 homes that they all bring their own challenges in which we have to investigate, you told me i see things like corrosion yet and how the wheels you'll have during the compression you and expansion process, you consume that the in the molten salt bridges, the gap at night corps on cloudy days and the sunlight and the out to come a desert is sons usually intends to take them together, settled only now though it could generate round the clock emission free green electricity. and that in turn could make it economically viable to produce green hydrogen at scale, which the e. u was banking on. as the energy of the future, we want to import 10000000 tons of uh, renew with hydrogen in 2030, which is a lot at the moment. this is not available at the world market. green energy could help transform regions that have little economic cloud into

a kind of gold mine and even ship global power relations. this unassuming container could help make chile a global leader in green energy. it might be small, but it's the world's 1st mobo green hydrogen plant. it's being tested in various locations in the desert to identify the best places for green hydrogen factories. about an hour job is mainly to generate a map that will allow us to identify areas meet with green hydrogen generation could be generated especially efficiently or sometimes we want to mark this on square electricity. it could be generated from hydrogen to fish in place. i don't like industrial and collect splitting water into oxygen, and hydrogen takes a lot of energy and of local air and water conditions make a difference. the factors like our metric pressure, temperature, and climate conditions affect the efficiency of the process of you,

either consumer. today, most of chillies electricity still comes from coal fired power plants. the country wants to make the shift away from coal. in i'm got most north of until fargo stuff . plans are under way to convert the 1st power plant to a molten salt facility. the planning phase has already been completed, if the sewing machine flow, but if this is an example for coal fired power plants, the worldwide will get anything, you know, defense in the, during the conversion with men will reuse a lot of what meant like this control really like the turbine, it's in the generator road. that's the big advantage of our project. in that loving dec i might get and they get the people get to in the future. these turbines will operate using liquid solved, solar energy will heat the molten salt during the day. the project manager believes the conversion could spark a global green energy revolution. a baseline said has that there are a fig sheffield, sir, because that and potentially every bit of electric power plant can be transformed

to m o, 's. and so plants, molten salt, energy storage solutions, could also be useful in europe. for example, to slow down fluctuations in the availability of wind and solar energy. the 1st projects are in the works, but one challenge remains. the power grid will 1st have to be adapted to renewable energy. we the said the d as in tina a alone instead of 10 to 20 percent of renewable energy is lost, as he said, we had to throttle the energy input. that's due to lack of the capacity in the transmission grid. uh, and the way in which we mean the grid on me and also do tucked under an investment incidence to me soon. conditions in july aren't entirely applicable to the rest of the world. but the rethink that's happening here can help spark new scientific insights, technical solutions and investment opportunities. and that's my gross and a signal to the rest of the world. we stay in sheila

and easter island also called robin noise, which lies 3500 kilometers from the mainland. the island is famous for its giant, ancient human figures, carved into stone at 1st glance. revenue, it is a paradise. but the waters off the coast have a huge problem with plastic waste. a curious more it your peers up or the camera. it's vision is poor, otherwise it would have been able to see what's headed its way. even 20 meters down . the waters near easter island or caused by the we as the islanders call, it are beautifully clear at 1st glance because they're actually full of micro plastics. marine biologist come up here and we'll go pick them. you are studying the impact of plastic waste on marine ecosystems as one problem of what gets a problem because all the animals eat it rather than yep,

that's bad for them. and later when we the fish, we also with the plastic chemicals you in the plastic is what i mean. they're focusing on a specific senior species whose population has been declining dramatically. the reasons i still unclear but what is apparent is that more and more micro plastics are accumulating and then we found that christian, it was hired. there aren't that many anymore will take it to the lab to study it at the beach, in the shadows, at the same is why statute due to burns and a team of volunteers are getting to work in a spot where towards strongly bask in the sun. there marking out an area with a clear the plastic that washes on shore here every day. there's huge amounts of it, and it's a problem all the way up and down the food chain. some pieces had visible bite marks on them with

a look at these marks made by certainty to say that people don't. as the shock coils colonize the plastics in the ocean, and that attracts the 1st fish you this with one of them. as soon as small fish are on the plastic to big fish like sharks can eat them, and they end up eating the plastic to cool. man. bless the micro plastics or plastic particles with a diameter of less than 5 millimeters. and up everywhere they float to the top of the bucket where they fished out. and just over half an hour they've collected 8 kilos. the plastic arrives here from all over the world carried by ocean current. so gathers into 5 enormous board texas, a plastic called gyre. one tire is in the south pacific and easter island has the misfortune of being situated near the edge of it. hop on new waves recycling center can't handle all the plastic waste manager alexander, to key shows us an area outside, piled high with trash, fish from the ocean. you might get a lot of the open space on me that being even more than anger and sadness,

i almost said, i feel pretty simon that we mortal beings on this planet aren't able to come together and recognize what a problem this is, vicky this is really my, the thought of those industrial nations especially need to clean up their act, the mayor of god, when we tells us being so he's done what's wrong to call a country develop. if it produces garbage, they use a country is only really developed when it thinks about what it's leaving behind for its children. we give you buy most of the items unless it will be close to see arch and fished out of the ocean is now in the laboratory. it's contaminated to what do you see at black plastic? the plastic fibers don't break down. instead they accumulate inside fish and other sea creatures affecting the entire marine food chain. is that, but i'm going to enjoy like we found plastics and other marine animals to including

in the intestines of fish on top less equal. but c, urchins are a species that help keep the clips and coils clean the fine even. there are no eating plastic. it's an alarming development. the marine biologists are worried, are the most likely that we have to change our consumption habit was recycle and dispose of plastics properly and keep it out of the ocean. i see glasgow not the 1st is weeping. we have to stop put on the brakes that can't go on like this, and that is the plastic the so you'd see the marine biologist on easter island. want to raise awareness around the world. the plastics washing shore here on the pipeline. we are everyone's problem. there's hardly anywhere in the world that's free of plastic nowadays. even at remote rio shingles, a tributary of the amazon river study has shown that 80 percent of fresh water fish

have micro plastics in their stomach. whether that's also true for the parents that live in the rain forest here is on a known box. or if you're to hear us had a different question, why are parents able to talk? birdie say this guy, this guy, to see why compared speaking an atomic which became the answer is fairly simple. birds have a special voice box which lets them produce found. it's called the syringe and it's located deeper in the airway than the lowering susan humans sitting low in the airway with a tricky a branch towards the lungs. the ceilings is lined with elastic membranes, whose tension and position can be controlled to produce sound. the

parents which have unusually large and muscular tongues, can modulator vocalizations to create an enormous range of sounds. anatomy is one aspect, but parents are also covered there among the most intelligent animal species i can put on quite a show. and parents can also learn to imitate voices, and sounds. in the wild, pirates often live in large groups, having accounts, domestic vocalization makes it easier to locate their off spring or make power. it's also imitate a variety of sounds and the pitch of their mates and birds. and their flock, the pirates can also learn how to imitate many other sounds and sequences of sounds, which is how they learn foreign languages like human speech, the

can you verbs a so you can you shoot me, can you shoot me, can you call office to was the parents can their new words throughout their life, but that doesn't mean the oldest parents have the largest repertoire. african grey parents are the most talkative of all, which is part of what makes them so popular. the very good let us read, why do you have a science question then send it to us as a video, text or voice message. if we answer it on the show will send you a little surprises to thank you. so come on, just ask that wraps it up this time on dw science show. thanks for joining us and hope to see you

again soon on tomorrow today. goodbye and show the

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thousands of people took part, and among them, some of these manipulative voices are a former high ranking military leaders, winded us, veterans tended backs on democracy. and what does this mean for the upcoming index? the enemy, within in 75 minutes on d w. the cost about why does this? because now i'm lisa and the new host to join us for an exciting inspiration. and everything in between. this is a video and audio production by

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the you're watching the w now who's coming to live from berlin? joe biden drops out of the d. west presidential race. the 81 year old bows for pressure from within his own party, a mid concerns over his age and mental fitness. many democrats now haley, his decision as selfless and patriotic abided, and many leading democrats are now growing. there are some 4 behind the vice president, pamela harris, does she have what it takes to beat donald trump was now facing a new electoral landscape. also coming up on our show