One of the strongest materials that are not manmade is trees. Trees are naturally made to grow tall so that they can absorb the most sunlight that they can. This also means that their roots must go deep and their trunk must be strong so that they do not fall over. [...]
Mummification
July 10, 2011 By
The Egyptians used mummification to preserve their dead so that they could live forever in the afterlife. The Egyptians use to dry their dead and use a special salt mixture which would get rid of all the moisture and kill the bacteria. Mummification is when you preserve a body by drying [...]
Breathing Trees
July 9, 2011 By
Do trees breathe like we do? The answer is not quite. But they do need carbon dioxide and oxygen to survive. Trees require carbon dioxide for photosynthesis. Photosynthesis consists of carbon dioxide, water and sunlight. They then produce oxygen, water and a sugar which the trees then use the sugar to [...]
Galileo Thermometer
July 5, 2011 By
Thermometers can work in many different ways. We have all seen the mercury thermometer that raises and lowers due to temperature changes as well as the mechanical thermometers in your living room that tell you how warm or cold your house is. But one of the most fascinating and enjoyable thermometers is [...]
As Hard as Diamonds
June 28, 2011 By
Diamonds are not just shiny and pretty, they are the hardest material that we know of. Diamonds are a carbon polymorph. They have a very condensed unit cell structure but are not the only elements that have this structure. Elements such as germanium, silicon, and gray tin also have this structure. [...]