This beam was formed from a bunch of electrons ... to simply imagine—scientists have given us the newest glimpse of what a petawatt laser (a petawatt equals one quadrillion watts) is capable ...

Those are just a few questions I had about the newest sensation in Sacramento ... and two green that focus together making one bright purple laser beam," he said. Ant that's the key.

The laser-directed energy beam can cut through targets to disable them – or do more damage if hitting a warhead.

[Related: The Navy’s next-gen destroyer concept involves powerful lasers] A full laser weapon system combines a power supply with a beam of directed light energy, sensors for targeting and ...

Israel’s in-development high-powered laser interception system, dubbed Iron Beam, is expected to be operational in a year, the director general of the Defense Ministry says. “The first ...

The new method is far more expensive, but it allowed scientists to use a laser beam to control lightning bolts. The physicists working on the experiment did so from a mountaintop in Switzerland ...

Stephen has a science degree with a major in physics, an arts degree with majors in English Literature and History and Philosophy of Science and a Graduate Diploma in Science Communication.

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow.

Physicists at the SLAC National Accelerator Laboratory just created a petawatt laser beam with the highest peak power and current ever. This beam was formed from a bunch of electrons that were ...