science
Most Commercial Graphene Is Just Expensive Pencil Lead, New Study Finds

You might wonder why, given all the hype, there isn’t graphene in every product you own yet. Well, a new study has found that 60 companies that claim to sell the Nobel prize-winning ultra-thin carbon sheets produce utter trash. Read More >>

science
Laser Holograms as Thin as a Hair Could Be the Future of High-Res

Holograms are cool enough on their own, but amazing things happen when you make them incredibly small. A team of Army-funded scientists from Purdue did just that with the development of tiny holograms—smaller than the width of a human hair!—made by shining lasers through a metasurface. This could change display technology forever. Read More >>