Vacuums, Beakmania & Weaving
- Episode aired Oct 14, 1995
- TV-PG
- 21m
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... Read allWhen 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... Read allWhen 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... Read all