News tagged with equation

Quantum simulation of a relativistic particle

(PhysOrg.com) -- Researchers of the Institute for Quantum Optics and Quantum Information (IQOQI) in Innsbruck, Austria used a calcium ion to simulate a relativistic quantum particle, demonstrating a phenomenon ...

Jan 06, 2010
4.9 / 5 (22) 2 | with audio podcast

How the sun gets its spots

Sunspots are huge, dark, irregularly shaped--and yet, temporary--areas of intense magnetism on the sun that expand and contract as they move.

Jan 07, 2011
4.7 / 5 (18) 7 | with audio podcast

Riding a bike couldn't be ... more complicated

We are told there's nothing easier than riding a bike. The reality is when it comes to staying upright, there is nothing more complicated. The mathematical formula which explains the motion of a bicycle looks like it could ...

Jun 27, 2010
4.7 / 5 (16) 14 | with audio podcast

Physicists discover 'magnetotoroidic effect'

(PhysOrg.com) -- For many years, scientists have known about the magnetoelectric effect, in which an electric field can induce and control a magnetic field, and vice versa. In this effect, the electric field has always been ...

Sep 26, 2011 feature
4.5 / 5 (16) 6 | with audio podcast