It's physics demo day, and here we have the old "television picture distorted by a magnetic field" trick. Many of you may have observed this phenomenon directly, or even perpetrated this electromagnetic prank yourself. However, let's use the experiment to clarify some basic electromagnetic principles that are fundamental to the universe in which we live, as well as excellent for small talk at cocktail parties.
The chemistry cornerstone celebrates its 140th birthday
By Chris Sweeney
Posted 03.04.2009 at 12:44 pm 2 Comments
Ah, the periodic table. The Rosetta Stone of chemistry, if you will. Well, today, this great tormentor of high school science students celebrates its 140th birthday, so lets take a quick look at a bit of the history behind this scientific gem.
CEATEC in Japan was bursting with techno gadgets. Some were full-fledged products with price tags, others simply way-out science experiments. Launch the gallery here for a quick roundup of things from both categories.
For our complete coverage of the show, click here. —Sean Captain
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.