[Styropyro’s] handheld, DIY laser rifle, or Laser Telescope Blaster as he calls it, works for long distances. His solution lies in some surprising physics: the larger the diameter of the beam ...

[Styropyro’s] handheld, DIY laser rifle, or Laser Telescope Blaster as he calls it, works for long distances. His solution lies in some surprising physics: the larger the diameter of the beam ...

When ground-based telescopes view stars ... astronomers began thinking about using a laser to make their own “star.” Today, laser guide stars are an essential part of any adaptive optics ...

The postage stamp-sized device has a solar-powered rechargeable battery and a laser that blinks in a unique pattern that a ...

The boys, from Haywards Heath, West Sussex., were saved by Prof Nicolaides after they were diagnosed with twin-to-twin ...