Jul 8, 2020
How the Ancient Greeks Figured Out the Earth wasn’t Flat (and solved the circumference too)
Carl Sagan explains how the ancient Greeks knew the Earth was round and calculated its circumference over 2,000 years ago.
Tag: explainer
Jul 6, 2020
Guy Builds Awesome Glass Submarine with Lego and Neodymium Magnets
This Lego-powered RC sub is amazing
Jun 26, 2020
A 5-Minute Overview on Locust Swarms and Their Impact on East Africa
In a region where food is already scarce, billions of insects are now eating everything in sight
Jun 23, 2020
The Incredible Property that Makes N95 Masks So Good at Filtering Particles
Electrostatic charged fabric, why didn’t I think of that!
Apr 6, 2020
This Dialogue Free Taiwanese Castella Cake Recipe is a Perfect 10 Minute Break
The spongiest cake you ever did see with ASMR-like audio to accompany the deliciousness
Apr 6, 2020
US Surgeon General Dr. Jerome Adams on How to Make a Basic DIY Face Mask
The CDC shows you how to create your own basic, no sew face mask in a few easy steps
Mar 28, 2020
PSA Safe Grocery Shopping and Takeout Food Handling During COVID-19 (UPDATED)
Dr. Jeffrey VanWingen, a US family physician, demonstrates how to grocery shop and handle take-out food safely
Mar 24, 2020
This Simple Demo with Water, Pepper and Soap Shows Toddlers Importance of Handwashing
It’s not scientifically accurate, but it’s a powerful visual for your little ones
Mar 19, 2020
How Soap Kills the Coronavirus in 20 Seconds
A scientific explanation and compelling visual demonstration on how/why soap is so effective
Mar 10, 2020
A Straightforward Explanation on Exponential Growth and Epidemics
With Coronavirus at the forefront of global attention, this is a good time for a primer on exponential and logistic growth
