TJ Chisholm

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‘Life on Earth is in peril. We have no future if we don’t go into space’

Experts including Stephen Hawking look at the value of human and robotic spaceflight<p>• Astronauts lift our spirits. But can we afford to send humans into space? • Artificial intelligence could spell end of human race – Stephen Hawking • New Horizons probe rouses from hibernation for Pluto …

Watch Laser Light Moving At 100 Billion Frames A Second

The latest and greatest in ultra-fast photography<p>There's a new, ultra-fast camera that lets engineers take videos of phenomena including the movement of laser light and even faster-than-light phenomena. Watching the videos is like seeing a physics textbook come to life.<p>Here's a video of a laser …

Physics

Quantum Teleportation Reaches Farthest Distance Yet

A new distance record has been set in the strange world of quantum teleportation.<p>In a recent experiment, the quantum state (the direction it was …

Samsung’s Gear VR virtual reality headset is now on sale

Advertisement<p>3 Comments<p>Credit: Andrew Burton/Getty Images<p>The virtual reality craze begins today. Samsung is now selling its Gear VR headset in the …

Quantum mechanics 101: Demystifying tough physics in 4 easy lessons

Ready to level up your working knowledge of quantum mechanics? Check out these four TED-Ed Lessons written by Chad Orzel, Associate Professor in the …

String field theory could be the foundation of quantum mechanics

Two USC researchers have proposed a link between string field theory and quantum mechanics that could open the door to using string field theory—or a …

World record for compact 'tabletop' particle accelerator

Laser-plasma accelerators take a completely different approach. In the case of this experiment, a pulse of laser light is injected into a short and …