News tagged with laser beam

Related topics:

More efficient transformer materials

Almost every electronic device contains a transformer. An important material used in their construction is electrical steel. Researchers have found a way to improve the performance of electrical steel and ...

15 hours ago
5 / 5 (5) 0

Nanotube cathode beats large, pricey laser

Scientists are a step closer to building an intense electron beam source without a laser. Using the High-Brightness Electron Source Lab at DOE's Fermi National Accelerator Laboratory, a team led by scientist ...

Sep 30, 2014
5 / 5 (7) 0

What is the geometry of the universe?

One of the big questions in cosmology regards the shape of the universe. "Shape" in this case is not the distribution of galaxies, but rather the shape of space and time itself. In general relativity, space ...

Sep 24, 2014
4.4 / 5 (50) 38