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Instructions on how to make a pinhole camera out of a pringles tube, and an explanation of how it works.
Pop popcorn in a vacuum and you'll get bigger popcorn says this experiment.
An experiment from our Physics To Go series about forces and pressure. All you need is an empty film canister or effervescent vitamin tablet tube, Alka-Seltzer tablet and some water.
Java Applet simulating a longitudinal standing wave in a tube whose ends can be both closed, both open, or one open and one closed. You can choose between various harmonic modes.
The Thermos flask uses a vacuum to keep hot things hot and cold thing cool, but the inventor missed out on a fortune by not patenting his invention.
Irving Langmuir's (1881 - 1957) studies embraced chemistry, physics, and engineering and were largely the outgrowth of studies of vacuum phenomena.
An experiment from our Physics To Go series about air pressure. All you need is marshmallows, wine bottle, vacuum wine saver pump and stopper.
A Marvin and Milo activity about sound vacuum. All you need is a glass bottle, pipe cleaner, small bell, wine saver pump and stopper.
Democritus of Abdera (ca 460 - 370 BC) is best known for his atomic theory. He believed that: "...space, or the Void, had an equal right with reality to be considered existent. He thought of the Void ...
The physics behind bigger popcorn using a vacuum.
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