China laser hits the Moon in daylight at 130,000 km, enabling 24/7 lunar navigation, precise tracking, and a future-ready lunar GPS network.

The retina reconfigures itself during retinitis pigmentosa, preserving daytime vision by redirecting signals between cells.

Tor VPN is free to use but is still in beta and intended for testing purposes only. Don’t use it for high-stakes or privacy-critical work.

Be careful with single-phase motors, as most single-phase motors have components to help them start or continue to run ...