Captain America’s star-spangled shield can stand up against the universe’s most powerful forces all thanks to vibranium. This ...

When an electron is ejected from a metal surface it has kinetic energy. The amount of kinetic energy the electron has depends on the difference between the energy of the photon and the work ...

Learn why NASA's mechanical battery system outperforms lithium-ion in durability and precision for energy storage. NASA's ...

For the first time, researchers have been able to measure the quantum state of electrons ejected from atoms that have absorbed high-energy light ...