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Gilbert cloud chamber, assembled An alternative view of kit contents. The lab contained a cloud chamber allowing the viewer to watch alpha particles traveling at 12,000 miles per second (19,000,000 m/s), a spinthariscope showing the results of radioactive disintegration on a fluorescent screen, and an electroscope measuring the radioactivity of different substances in the set.
A line of inexpensive reflector telescopes followed the Sputnik-inspired science craze in the late 1950s. In 1958, the company promoted its science toys by commissioning a comic book, Adventures in Science, from Custom Comics. In the comic, a mysterious "Mr. Science" leaps through time and space with a bored teenage boy to interest him in science.
This used to be done in underground coal mines, and also to make town gas, which was piped to customers to burn for illumination, heating, and cooking. 3C (as Coal) + O 2 + H 2 O → H 2 + 3CO. If the refiner wants to produce gasoline, the syngas is routed into a Fischer–Tropsch reaction. This is known as indirect coal liquefaction.
Geology Bundle Science Kits. You can’t go wrong with this set of three geology science kits. There’s a crystal-growing lab that includes a light-up base for kids to display their colorful ...
Drawing the retorts at the Great Gas Establishment Brick Lane, from The Monthly Magazine (1821). The history of gaseous fuel, important for lighting, heating, and cooking purposes throughout most of the 19th century and the first half of the 20th century, began with the development of analytical and pneumatic chemistry in the 18th century.
There is a residue of unreactive tarry compounds mixed with ash from the coal and catalyst. To minimise the loss of carbon in the residue stream, it is necessary to have a low-ash feed. Typically the coal should be <10% ash by weight. The hydrogen required for the process can be also produced from coal or the residue by steam reforming.
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In the 1990s, coal tar was discovered under wetland soil in Greenville, just outside Unity Park. Today, the state is preparing to clean it up through a multi-year excavation proposal.But ...
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