Browsing Tag
electromagnetism
4 posts
We may be about to solve the greatest riddle of electromagnetism
Most of us don’t think much about electric charge, apart from in those annoying moments when our phones…
How materials that rewind light can test physics’ most extreme ideas
For an experiment designed to reverse time, the apparatus was surprisingly simple: little more than a tank of…
Source of the sun’s magnetic field may hide right under its surface
An illustration of the sun’s magnetic field NASA/SDO/AIA/LMSAL The sun’s magnetic field may not be as deep as…
Liquid magnet propellers could be a safer way to power boats
A ferrofluid propeller powered by electromagnets Hiroto Kitamori et al A robot boat with a propeller made from…