More than a year ago, two Washington reporters, piecing together many fragments from the public record of the hydrogen bomb’s history, concluded that: 1) there had been unnecessary delays in the ...

The poet Blake wrote that you can see a world in a grain of sand. But even better, you can see a universe in an atom!

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Anchoring single metal atoms on ultrathin supports improves catalyst efficiency and stability, making hydrogen production cleaner, more scalable, and less dependent on scarce metals. (Nanowerk ...

C –H activation is the art of snipping specific bonds between carbon and hydrogen atoms on an organic molecule to graft a new functional group in place of the relatively unreactive H atom. Over the ...