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日期:2024-04-16
An air vortex cannon is a device that fires doughnut-shaped air vortices — similar to smoke rings but larger, stronger, and completely invisible. The vortices are able to ruffle hair, disturb papers or blow out candles after travelling several metres. The...
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日期:2024-04-18
How to Make a Powerful Coaxial Piston Cannon from Hardware Store Parts - Duration: 8:38. by NightHawkInLight 1,049,913 views 8:38 Play next Play now Best of Physics Education: Vortex of fire - Duration: 1:32. by Physics Education 96,165 views 1 ......
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日期:2024-04-13
Vortex cannons shoot doughnut shaped air vortices at targets. Usually used for entertainment purposes, they can be easily made at home. This more serious version, however, is used to test out some "Three Little Pigs" scenarios with straw and brick houses....
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日期:2024-04-14
The molecules within the ring circulate around it, swirling up and around it in the direction of motion. This is the “vortex”: the ring is very much like a mini-tornado, if one takes the top and bottom ends of the tornado and connects them together. This ...
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日期:2024-04-12
What to do You are going to use the lemonade bottle as a kind of cannon to blow out the candles, but to do this you will have to hit them. So to start with you want to make some sights to help you aim. If you look at the sides of your bottle, you should f...
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日期:2024-04-12
Shoot rings of smoke across the room with a Vortex Cannon! In this instructional weapons video, learn how to make a vortex cannon. You can learn how to make the tub thumping cannon, and the barking tube vortex cannon. Follow the simple step by step ......
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日期:2024-04-12
Here are two Instructables in one! Shoot rings of smoke across a room with the Tub Thumping Cannon and the Barking Tube Cannon. Watch me build them an... ... 1. Using the box cutter, cut out a 6" hole in the bottom of the trash can. Many trash cans have r...
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日期:2024-04-12
A vortex ring, also called a toroidal vortex, is a torus shaped vortex in a fluid; that is, a region where the fluid mostly spins around an imaginary axis line that forms a closed loop. The dominant flow in a vortex ring is said to be toroidal, more preci...