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Pendulum Waves

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by NatSciDemos 1 year ago

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3:35 Paramagnetism of Oxygen NatSciDemos 78,349 views 2 months ago Oxygen gas is condensed into liquid form and then poured between the poles of a strong magnet so we can observe its paramagnetic properties. We send O2 gas through a cop...
2:05 Conductivity of Glass NatSciDemos 7,574 views 4 months ago Insulating glass becomes a conductor of electricity when heated with a blowtorch. Two ceramic lightbulb sockets are wired in series to a household AC power cord. When tw...
1:28 Coffee Mug on String NatSciDemos 1,982 views 5 months ago Angular momentum helps save a red ceramic coffee mug from certain destruction. We used some string, two stolen mugs, and two Ticonderoga Dixon No. 2 pencils. Please do atte...
1:07 Balancing Forks NatSciDemos 9,310 views 5 months ago Two metal forks, a cork, and a matchstick balance on the lip of a glass. The center of mass of the fork-cork-match system is well below the pivot point, so balance is able ...
2:59 The Wineglass That Won't Break NatSciDemos 29,495 views 6 months ago (Warning: obnoxious sound) For some reason I can't get this wineglass to break. It's an Oregon Balloon Wine 22oz. (made in Slovakia) from our local Crate & Barrel. It seems...
1:34 Conductivity of Solutions NatSciDemos 3,398 views 6 months ago We look at the electrical conductivity of several solutions. Substances include tap water, distilled water, sodium chloride, hydrochloric acid, sodium hydroxide, sugar, vin...
2:53 Underwater Lightning Project NatSciDemos 8,920 views 6 months ago Many Pacific Island navigators have reported finding land by following mysterious streaks of light that extend between islands quite some distance away, and they report tha...
3:36 Chladni Plates NatSciDemos 12,242 views 9 months ago Four centrally mounted brass plates are driven into various resonant states with a violin bow. Sand sprinkled on the plates helps to visualize the nodes and antinodes for e...
2:57 Hydrogen and Chlorine Reaction NatSciDemos 43,862 views 10 months ago Hydrogen and Chlorine react explosively to form Hydrogen Chloride. The reaction is started by shining a small ultraviolet LED onto the test tube. The cork at the end of the...
1:35 Shoot-n-Drop NatSciDemos 3,620 views 10 months ago An apparatus that at once shoots a billiard ball horizontally and drops another one vertically from an equal height. Even though the two have different initial velocities, ...

About NatSciDemos's channel

The official YouTube channel of Harvard Natural Science Lecture Demonstrations. Here we have collected as a resource for science instructors short pieces that show some of our demonstration experiments. Most of the entries here link to more detailed descriptions of the demos on our website.