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Anyone working in the oilfield or petrochemical industry - even for a short time, is aware of the many potential hazards present on exploration, production and refining facilities. People with disabilities talk about their use of accessible technology in the workplace. The leidenfrost effect can be used to safely stick your hand into liquid nitrogen. In this cool science experiment we make a thunderstorm in a test tube using alcohol, sulfuric acid and potassium permanganate. WARNING:This experiment is extremely dangerous as it involves corrosive acids and flammable liquids with a small, but not negligible, chance of a damaging explosion. Face shields, goggles, fire extinguishers ... http://www.richardaberdeen.com short video essay from the free online book, "Fixing America In 500 Words or Less" by Richard Aberdeen. http://www.richardaberdeen.com http://www.richardaberdeen.com short video essay from the free online book, "Fixing America In 500 Words or Less" by Richard Aberdeen. http://www.richardaberdeen.com http://www.richardaberdeen.com short video essay from the free online book, "Fixing America In 500 Words or Less" by Richard Aberdeen. http://www.richardaberdeen.com http://www.richardaberdeen.com short video essay from the free online book, "Fixing America In 500 Words or Less" by Richard Aberdeen. http://www.richardaberdeen.com http://www.richardaberdeen.com short video essay from the free online book, "Fixing America In 500 Words or Less" by Richard Aberdeen. http://www.richardaberdeen.com http://www.richardaberdeen.com short video essay from the free online book, "Fixing America In 500 Words or Less" by Richard Aberdeen. http://www.richardaberdeen.com |