What would happen if the Earth lost oxygen for 5 seconds? (24 pictures)
This is interesting and slightly scary at the same time…
Tagged: physics
Can we really touch anything?
Can we really touch things? Well if by touch we mean exchange a force-carrying particle with, then yes. The photon is the force-carrier of the electromagnetic interaction. But if the photon is also a particle of light then why aren’t magnets glowing? Because the photons are virtual particles, which means they can’t be directly detected (without changing the outcome we are trying to measure
Acoustic Surveillance: Sensing trouble on the sea floor
Wireless communication is reaching new levels as scientists are testing autonomous devices that can detect and understand what is happening underwater. This technology should allow the creation of a functioning network for acoustic surveillance on a large scale, deep in the oceans.
What is a field?
Contributing editor George Musser explains how physicists think about the universe using the fundamental concept of “the field”.
The Physics of video games
Matt, Chris and CEO Torsten Reil talk us through the importance of physics in creating realistic game worlds and enhancing the games playing experience.