The Iron Beam is the most advanced, operational laser in the world, though England, the US, and others have relatively advanced lasers. In a historic breakthrough, the IDF on Wednesday announced that ...

When the green laser encounters atoms along its path through the crystal, it gives the electrons in those atoms a bit of extra energy. In their high-energy state, those electrons can absorb blue light ...

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Near the starting line of this year’s Memorial Marathon, a massive laser known as The Architect will produce a beam of light nearly 10 miles into the sky. It’s one of the largest lasers in the world, ...