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Self-starting siphon

A siphon is an effective way of moving liquid from one container to another, but sucking on that tube can be unpleasant and even dangerous. Rob shows how to make a self-starting siphon that moves the liquid all by itself.

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Putting a ship into a bottle

The trick of putting a ship into a bottle has baffled many, but Rob shows the important steps.

Light Dimmer

Deane shows how to make a light dimmer with odds and ends from around the home. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow

永久機関 Perpetuum Mobile

These are 5 working models of Perpetual Motion Machines I made from scratch using old historical drawings. Not all of them are perfect, but they are still the p

The perfect bell siphon.

A minor modification doubles the flow of a bell siphon.

Small collection of some cool physics gadgets. Thanks for watching! Song 1: Over Rain https://itunes.apple.com/us/album/over-rain/1033695238?i=1033696025 Song

Find the Center of a Circle (3 EASY and QUICK Ways)

See my favorite 3 ways to find the center of the circle. This is based on testing a dozen ways to find the center of a circle. (test video being published soo

Pythagoras Cup (Greedy Cup) filled with Mercury

You can support us on Patreon: https://www.patreon.com/periodicvideos More Mercury: https://youtu.be/5I4rxfnCtxY Numberphile for Pythagorean math: https://youtu

Spoon reflections puzzle

Look at your reflection in a spoon. On the convex side, just like Rob,you appear up the right way, but in the concave bowl, you are upside down. Why?

#127 How To Move Water With Easy, Cheap, Siphon System

In this video I build a simple, cheap siphon system to lower the water level in our pond. This type of system could be used for numerous projects where you need

The REAL Answer To The Viral Chinese Math Problem "How Old Is The Captain?"

Media outlets around the world went crazy over a 5th grade math exam question in China. But they all missed the real story! The problem actually dates back to F

How ducting a propeller increases efficiency and thrust

By placing a propeller in a duct, the efficiency and maximum thrust can be increased, sometimes significantly. This video explains two of the mechanisms by whi

Stirling Engines - the power of the future?

Stirling engines are having a bit of a revival. What are they, and how do they work? Could they generate our electricity in the future? Support me on Patreon

Potato Chip Problem

Deane poses a problem concerning the cutting of a potato. What is the maximum number of pieces that can be produced with a minimum number of cuts? SUBSCRIBE N

Unlock Your Car With Water - The Spangler Effect School of YouTube

Donate by clicking this link - http://www.comicrelief.com/Spangler If you’re in the UK, text SOYT6 to 70005. Texts cost £5 plus your standard network message c

Shadows are all around us, but we take them for granted. Deane shows how an understanding of shadows can help us to create more realistic drawings and painting

Automatic Bell Siphon Explained

This is a demo of a bell siphon I built in collaboration with a couple of engineering professors. There are certain cases where it would be nice to be able to c

Make Non-Stop Heron’s Fountain using Plastic Bottle | DIY Water Fountain

Make Non-Stop Heron’s Fountain using Plastic Bottle. Build a Plastic Bottle fountain that is very simple to make. For this experiment you need 3 empty plastic b