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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.
STEM learning might sound like some kind of fad simply because the acronym is fairly new, but the truth is that kids are hard-wired to find these academic disciplines (science, technology ...
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 model, created with the Capsela 250 Science Discovery Kit, has a swivel above the small wheels that allows it to sometimes turn itself around after running into an obstacle. Capsela is a construction toy brand consisting primarily of gears and motors in spherical plastic capsules that can be connected to form various static or dynamic toys ...
Klaproth discovered uranium (1789) [6] and zirconium (1789). He was also involved in the discovery or co-discovery of titanium (1795), strontium (1793), cerium (1803), and chromium (1797) and confirmed the previous discoveries of tellurium (1798) and beryllium (1798). [7] [8] Klaproth was a member and director of the Berlin Academy of Sciences. [2]
(Reuters) - The Washington Post said on Tuesday it would lay off about 4% of its workforce or less than 100 employees in a bid to cut costs, as the storied newspaper grapples with growing losses.
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