Physics
Photonic laser thruster could power spacecraft from Earth
The Photonic Laser Thruster can move a 750-gram object along a low-friction rail – a small step to using the technology to push satellites rapidly between planets
News
Technology
The US Army is building the most powerful laser weapon in the world
News
Technology
Single particles of light can be used for remote 3D surveillance
News
Physics
Watch a beam of light bounce off mirrors in ultra-slow motion
News
Physics
Huge underground lasers measure Earth’s spin with extreme precision
News
Technology
The US Navy patented a device to make laser ‘ghost planes’ in mid-air
News
Physics
This tiny glass bead has been quantum chilled to near absolute zero
News
Physics
Blasting lead with 160 lasers makes it incredibly strong, then explode
News
Physics
New kind of light is a vortex beam that twists faster as it moves
News
Space
Black holes and lasers could let us cheat at interstellar travel
Firing a laser at a pair of black holes can produce more energy than you start with, letting you travel the galaxy without needing a large amount of fuel
News
Earth
The hidden cities revealed by lasers
Video
Physics
The emptiness of space has a structure we could use to send messages
News
Physics
What do you do with the world’s most powerful laser?
Video
Physics
Ultracold atoms can make strange and beautiful quantum fireworks
News