Friday, February 11, 2011


Vampire power refers to the reality of electric use in electronics that are turned off yet plugged in. It is also referred to as Stand By and most electronics use this feature to run a digital clock or other little features while other electronics have stand by with out any features. Although it does not consume an excessive amount of electricity it still takes in unnecessary energy.

http://standby.lbl.gov/summary-table.html contains a table of the amount of energy Vampire Power electronics use. Vampire powered products can use as much as 15 watts, but since 2001 laws have been placed in many developed nations where products containing stand by power can not exceed 1 watt. The laws have not been enforced.

Surge protectors can be bought to reduce the amount of energy the devices take during vampire power usage. The best way to reduce stand by power usage is to unplug all unnecessary devices that do not need to be plugged in when not in use.

Tuesday, February 1, 2011

PET Materials

Plutonium: is a transuranic radioactive chemical element with the chemical symbol Pu and atomic number 94. It is an actinide metal of silvery-white appearance that tarnishes when exposed to air, forming a dull coating when oxidized. The element normally exhibits six allatropes and four oxidation states. It reacts with carbon, halogens, nitrogen and silicon. When exposed to moist air, it forms oxides and hydrides that expand the sample up to 70% in volume, which in turn flake off as a powder that can spontaneously ignite. It is also a radioactive poison that accumulates in bone marrow. These and other properties make the handling of plutonium dangerous.

Tungsten: is a chemical element with the chemical symbol W and atomic number 74. A steel-gray metal under standard conditions when uncombined, tungsten is found naturally on Earth only in chemical compounds. It was identified as a new element in 1781, and first isolated as a metal in 1783. Its important ores include wolframite and scheelite. The free element is remarkable for its robustness, especially the fact that it has the highest melting point of all the non-alloyed metals and the second highest of all the elements after carbon. Also remarkable is its high density of 19.3 times that of water, comparable to that of uranium and gold, and significantly higher (about 1.7 times) than that of lead. Tungsten with minor amounts of impurities is often brittle and hard, making it difficult to work. However, very pure tungsten is more ductile, and can be cut with a hacksaw.