SciShow (previously) host Caitlin Hofmeister explains the common question,”Why is the sky blue?” in a recent episode of the World’s Most Asked Questions series. The video explains how light from the Sun is refracted through the atmosphere in a process known as Rayleigh scattering, and also how the fact that we are humans impacts how we perceive the sky’s color.
To illustrate the distance between the Earth and the Moon, reddit user PerplexingPotato posted an image that placed the other seven planets in our solar system between them. According to NASA’s Solar System Fact Sheets the average distance between the Earth and the Moon is 238,855 miles, and the sum diameters of Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune is just 236,126 miles. That would leave 2,729 miles of space.
image via PerplexingPotato
via Universe Today
A recent TED-Ed lesson (previously) by John Varney proposes a different way to visualize rhythm using what he calls the “wheel method.” The animated video demonstrates the method and how it can be used to visualize different styles of music from around the world.
In standard notation, rhythm is indicated on a musical bar line. But there are other ways to visualize rhythm that can be more intuitive. John Varney describes the ‘wheel method’ of tracing rhythm and uses it to take us on a musical journey around the world.
During the recent Extra Life charity telethon held by Rooster Teeth, Reading Rainbow host LeVar Burton read the popular children’s book Go the Fuck to Sleep (previously) by Adam Mansbach to an appreciative studio audience. The Extra Life charity and telethon raise money for Children’s Miracle Network Hospitals.
“Furry Potter and the Goblet of Cookies” is a Sesame Street parody of the Harry Potter (previously) series. The video stars Cookie Monster as “Furry Potter,” who must learn to listen to directions from Professor Crumblemore in order to reach (and eat) the Goblet of Cookies. “Furry Potter and the Goblet of Cookies” is the latest in the Cookie Monster “Crumby Pictures” series (previously) of film parodies by Sesame Street designed to teach important lessons.
To get to the Goblet of Cookies, Furry Potter must listen carefully to directions. It’s going to take more than a simple Wingardium Leviosa to reach the Goblet. Watch Professor Crumblemore teach Furry Potter the wizardly ways of following instructions in his quest for the Goblet of Cookies!