photons open the doors to a truly strange world scientists used to believe that light comprised tiny boehm zipping around through space then light was regarded as a wave but today we know that depending on the experiment light can be either one or the other. wave light is a particle it depends on how we observe it in a sense it's both both at the same time and that's truly bizarre. might may indeed seem like a far fetched notion but it exists we literally see it constantly but if you take a closer look at it it practically vanishes not least if you try to wave a photon. you know that yes this really is kind of strange at 1st glance it is. also video so i'm now sitting on this chair and i have a certain mouse if i had some scales it would be my rest mass. that also applies to the elementary particles that were made up of. but not the photon it's different it actually has no rest mass at all. so a photon both exists and does not exist at the same time photons are never at rest according to physicists they're constantly in motion what's more at the speed of light which is where the next stran

. >> ali boehm, godspeed to you and your team and all of your colleagues around the world who have worked. if this can come to fruition, particularly as you said in a matter of months, it could be just huge in terms of what we can understand and how we can better plan for what to do here. thanks for helping us understand it this evening. good luck. >> thank you. >> all right. we'll be right back. stay with us. shipping. you gets of items you need to your door fast the way it works best for you. even the big stuff. you get a delivery experience you can always count on. you get your perfect find at a price to match on your schedule. you get free two day shipping on things that make your home feel like you! wayfair. way more than furniture. why accept it frompt an incompyour allergy pills?e else. flonase sensimist. nothing stronger. nothing gentler. nothing lasts longer. flonase sensimist. 24 hour non-drowsy allergy relief - [female vo] restaurants are our family. the cornerstone of our communities. and our family needs help. right now they're facing a crisis. and they're counting on your ta