ESTIMATION BY ORDERS OF MAGNITUDEIn physics ,we deal with the measurement of quantities which vary in their magnitude to a large extent .Generally ,it is not easy to express and memorize the values ...
Some of these look like illustrations done by adolescent sci-fi/anime nerds. Totally unreal. A selection from National Geographic's best space pictures of 2010: An airplane is silhouetted against the ...
Was Napoleon's death really due to stomach cancer, or was it arsenic poisoning? Some scientist believe the latter. Arsenic poisoning was a deadly weapon in that era, because it was undetectable when a ...
Despite all the recently transpired web hysteria regarding a mysterious NASA press release, the organization has NOT discovered new life on another planet. However, the latest information does indicat ...
WonderHowTo favorite NurdRage once again triggers the inner mad scientist in all of us (well, all of us WonderHowTo-ians at least). Below, watch what happens when steel wool- found in every common hou ...
Bottled-beer chuggers the world over already know that letting air into your beverage with a straw makes it pour faster into your mouth. Did you know, however, that the same technique can be modified ...
In 1782, an English plumber named William Watts came up with a clever method for making shotgun ammo. Watts constructed a six story "shot tower", consisting of a series of perfectly lined up holes, dr ...
Yep, anything (on Earth). Below, BBC One's Bang Goes the Theory demonstrates how normal sunshine can become a lethal heat-ray of 3,500 degrees celsius (with the aid of a high-performance solar furnace ...
The best part of science class for many was the awesome demonstrations and experiments teachers use to demonstrate scientific principles. This video will teach you how to capture some of that magic by ...
Hydrazine sulfate has many uses, but most notably, it's been used under the trade name of Sehydrin, a treatment for anorexia, cachexia and some even think cancer. But for we DIY chemists, it's useful ...