A Moment of Science
Plastic wrap clings for two reasons: it's elastic and it's sticky. Let's explore the chemistry beneath the elasticity and stickiness of plastic wrap.
Photocopying machines are fairly complicated devices, but the basic principal is pretty simple.
Fill your weekend with family-friendly, Halloween-inspired science and math activities!
The hope is that as the fly walks across the surface, its little body charges up, allowing poisonous spores to stick to its body like metal shavings to a magnet. If this happens, then soon enough, the fly will walk no more.
On this Moment of Science, we discuss the difference between brain death and a coma.
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