Category Physics

Light Pulses Change Speed in a Plasma

Interactions between two laser beams in a plasma allow for precise control over the light’s velocity. Light has a strict speed limit, but under certain conditions, this boundary can be broken for individual pulses of light. So far, light has…

Raindrops also keep fallin’ on exoplanets

Size of raindrops can help identify potentially habitable planets outside our solar system One day, humankind may step foot on another habitable planet. That planet may look very different from Earth, but one thing will feel familiar — the rain.…