Science prank! Will it sink or float?
| Science prank! Will it sink or float? | |
| Number | 107 |
| Broadcast Date | March 31, 2010 |
| Episode Length | 13:16 |
| Hosts | Brian Brushwood |
Physics scam creates IMPOSSIBLE result!
Revision3 Summary
Setting Up the Matchstick Science Prank
Fill an empty beer bottle all the way to the top with water, then grab 3 wooden matches and break off the heads. (make sure to break them off as close to the actual match head as possible). Next, announce that you're going to place all three match heads in the bottle and cover it up with your thumb... the question is: do they think the match heads will *sink* or *float*?
Revealing the Matchstick Science Prank
Amazingly, you cause one match head to sink, one to float, and one to stay suspended in the center!
When you break off the match heads, you're actually creating miniature "Cartesian divers": little vessels with air trapped in them. As the pressure increases, the air compresses and makes them heavier than the water. Once you've dropped the match heads in the bottle, use your thumb to cover the top and press down into the bottle. This will increase the pressure and allow you to imperceptibly control the height of the match heads inside the bottle!
Trying the Matchstick Science Prank
See if they can pull off the scientific prank!
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| Preceded by: "Live from Stubbs BBQ in Austin - 2010!" |
Science prank! Will it sink or float? |
Followed by: "The Monty Hall Paradox!" |