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The US and China are racing to build space-based solar power infrastructure that would beam electricity down to Earth 24/7.

Scientists have successfully developed a pocket-sized particle accelerator capable of projecting ultra-short electron beams with laser light at more than 99.99% of the speed of light. To achieve this ...

Beijing team finds that potential electrical discharges, though brief, could induce abnormal currents in spacecraft systems.

Using the Super Proton Synchrotron, the team created beams of electron-positron pairs and passed them through a meter-long region of plasma. This setup served as a scaled laboratory version of a ...

Experts at the BELLA Center used dual laser beams focused onto a sheet of gas to reach a milestone energy in laser-driven electron acceleration. Four members of the larger team gathered with the ...

The USA has only two accelerators that can produce 10 billion electron-volt particle beams, and they're each about 1.9 miles (3 km) long. "We can now reach those energies in 10 cm (4 inches)," said ...

The Large Hadron Collider isn't technically a laser, but it's very much the physically largest particle beam -- and I'm including it here because not only is it an intangible high-energy beam, there ...

Physicists have built a tractor beam out of lasers that can both repel and attract objects across distances 100 times farther than previously possible. Michelle Starr is CNET's science editor, and she ...