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Most theoretical studies on "beam riders" for interstellar travel have focused on laser beams, which are composed of particles of light called photons. Notable examples include laser-powered ...

That’s where LiDAR comes in. Like radar, but using light, LiDAR sends beams from a plane or satellite towards the ground. By measuring the time it takes for the light to be reflected, scientists can ...

That’s where lidar comes in. Like radar, but using light, lidar sends beams from a plane or satellite towards the ground. By measuring the time it takes for the light to be reflected ...

Purple foods get their color from natural compounds called anthocyanins, which help plants survive and offer many health benefits. You can find anthocyanins in dark-colored fruits, vegetables ...

China has successfully tested a real-life weapon that evokes the Star Wars Death Star laser. China’s government ... such as the power level of the beam, so it’s hard to gauge the test ...

"Something as complex as the DRAs antennas in X-Band, an active antenna that can move the beam electronically and can configure the beam electronically without any movement is what makes this ...

The best color laser printers are a great investment that can save you time and money compared to cartridge-based inkjet printers. Laser printers use toner, which lasts a long time, delivering a ...

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Find out how to apply for the Purple badge below. If you're a big Blue Peter fan it's time to apply for your Purple Fan Club badge! Applications close on 31st March 2025, so it's your last chance ...