Tag: explainer

Jul 8, 2020

How the Ancient Greeks Figured Out the Earth wasn’t Flat (and solved the circumference too)

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.

Read More »

Jul 6, 2020

Guy Builds Awesome Glass Submarine with Lego and Neodymium Magnets

Guy Builds Awesome Glass Submarine with Lego and Neodymium Magnets

This Lego-powered RC sub is amazing

Read More »

Jun 26, 2020

A 5-Minute Overview on Locust Swarms and Their Impact on East Africa

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

Read More »

Jun 23, 2020

The Incredible Property that Makes N95 Masks So Good at Filtering Particles

The Incredible Property that Makes N95 Masks So Good at Filtering Particles

Electrostatic charged fabric, why didn’t I think of that!

Read More »

Apr 6, 2020

This Dialogue Free Taiwanese Castella Cake Recipe is a Perfect 10 Minute Break

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

Read More »

Apr 6, 2020

US Surgeon General Dr. Jerome Adams on How to Make a Basic DIY Face Mask

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

Read More »

Mar 28, 2020

PSA Safe Grocery Shopping and Takeout Food Handling During COVID-19 (UPDATED)

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

Read More »

Mar 24, 2020

This Simple Demo with Water, Pepper and Soap Shows Toddlers Importance of Handwashing

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

Read More »

Mar 19, 2020

How Soap Kills the Coronavirus in 20 Seconds

How Soap Kills the Coronavirus in 20 Seconds

A scientific explanation and compelling visual demonstration on how/why soap is so effective

Read More »

Mar 10, 2020

A Straightforward Explanation on Exponential Growth and Epidemics

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

Read More »