Vacuums, Beakmania & Weaving
Actors
Mark Ritts , Eliza Schneider , Paul Zaloom
About
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Story
When asked to explain how a vacuum cleaner works, Beakman begins by correcting Lester's misconception, noting that dirt is pushed, not sucked, inside. After Professor Boring defines a vacuum as "a space relatively empty of matter," Beakman uses a bell jar device and a marshmallow in a messy demonstration of how a difference in pressure causes air to move from the area of higher pressure to where it is lower. He then points out that, as a result of this pressure difference, the moving air pushes material along with it, just like what happens with a household vacuum cleaner. In "Beakmania," Beakman reveals the difference between the black soil in Kansas (organically rich) and the red soil of Oklahoma (iron rich); the size of the Great Wall of China (3,925 miles long and 25 feet high); and that walruses can't stand the color red. Moving along to her segment on health, Doctor Liza discusses the common cold and what to do about it. After discussing the virus' various symptoms, Liza ...
