by Captain Skellett | Apr 29, 2011 | How Things Work, Just for Fun, Science Art
Behold ferrofluid, nanoparticles of iron coated in a surfactant and suspended in a solution of oil or water. The surfactant can be citric acid or soy lecithin, among other things, and is used to stop them sticking together It’s like magnetic dust. Put a magnet...
by Captain Skellett | Nov 18, 2010 | Recent Research
For the first time ever, antimatter has been trapped by a magnetic field allowing it to be studied in detail. The 38 atoms were antihydrogen, theoretically the same as hydrogen but having the opposite charge. Where hydrogen is made of one proton, one electron,...
