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Sharing 16 videos about angles

The story of Eratosthenes and Earth’s circumference, as told by Carl Sagan

Rion NakayaMarch 13, 2023March 23, 2023

The engineering behind the scissor gate and “scissors NOT gate”

Rion NakayaJanuary 9, 2023

Drum Juggling with Kateryna Nikiforova

Rion NakayaSeptember 15, 2021

Tumbling Soda Bottle, a DIY physics toy

Rion NakayaMay 26, 2021November 7, 2022

How to skip stones, an animated explainer

Rion NakayaMarch 5, 2021October 28, 2022

How to make a periscope

Rion NakayaOctober 5, 2020May 22, 2023

Succeed by Failing: Failure points and how to fix them

Rion NakayaMay 21, 2020

Boomerang Trick Shots

Rion NakayaJune 20, 2019October 25, 2019

Types of Triangles, a Flocabulary math music video

Rion NakayaAugust 28, 2018June 28, 2021

Observing the angle of repose with DIY physics devices

Rion NakayaJune 25, 2018April 8, 2020

Bend-testing laser-cut plywood hinge patterns

Rion NakayaApril 26, 2018April 26, 2018

How to make a hexagonal starry sky LED night light

Rion NakayaJanuary 8, 2018January 8, 2018

Circular motion demonstration with a sparkler and a hula hoop

Rion NakayaJanuary 5, 2016January 27, 2022

Minesaki Sougo’s Tumbling Doll

Rion NakayaAugust 16, 2013May 26, 2021

Michael Moschen’s The Triangle

Rion NakayaMay 15, 2013June 11, 2020