Here Comes The Sun
Youth Education
In this episode of Crash Course Kids, Sabrina chats about the sun; what it is, how it works, and how the energy gets to us here on Earth.
Find The Letters
Kids Education
Elmo Fish and Abby Fish need your help to find Dorothy the Goldfish in the sea! Can you find the letters S-W-I-M?
Is Nuclear Power “Too Expensive”?
Adults Education
The best argument against nuclear power, maybe the only real argument, is that nuclear power is “too slow” to build and is “too expensive” to finance. Is this true?
Mixing Colours
Kids Education
Learn about mixing primary colors to make secondary colors.
These Illusions Fool Almost Everyone
Adults Education
A big thank you to Titus Grenyer over at Pep Organ for showing us around the Sydney Town Hall Organ, to Dr. Diana Deutsch for providing her illusions and insight into the field, to Casey Connor for advice on building sound illusions, and to Dr. Michael Bach for providing the motion-bounce illusion.
Primitive Technology: Polynesian Arrowroot Hashbrown
Adults Education
I made a hashbrown from Polynesian arrowroot. A hashbrown is typically made from potatoes where it is mashed and baked on a pan.
Origins of Color (Trade & Exchange)
Adults Education
How can the color “red” be a global commodity? How can the way a statue stands be a sign of cultural exchange?
Fallout's Cold Fusion Problem
Adults Education
Was #Fallout’s “artifact” really worth transporting a severed head across the wasteland?
The Truth About Petri Dishes
Adults Education
One of the best ways of studying bacteria is to grow them on a petri dish, but only a tiny percentage of bacterial species will grow on them.
Tips For Summer Swimming
Youth Education
Emma-Louise shares some advice on how to make sure you stay safe when swimming during the hot weather!
Why Reality is a “Controlled Hallucination”
Adults Education
There have always been hints that the brain wasn’t evolved to track objective reality, but a new, incredibly popular theory in neuroscience takes everything one step further. Not only is your brain not built for reality, you’ve never even experienced it. Noted Science Zaddy Kyle Hill explains “predictive processing.”
Primitive Technology: Making Charcoal in a Closed Pot
Adults Education
I made charcoal in a clay pot by putting wood in it and heat the pot externally effectively making it like a retort.
Let's Understand Wildfires
Youth Education
Learn about an Indigenous practice using prescribed burns that fire officials use to fight out-of-control fires.
How Does Birth Control Work?
Adults Education
There are huge varieties of birth control methods because there are lots of different ways to disrupt the process of sperm-egg fertilization.
This Black Hole Could be Bigger Than The Universe
Adults Education
Black holes might create infinite universes while destroying time and space.
Primitive Technology: Geopolymer Cement (Ash and Clay)
Adults Education
I have made wood ash cement before under the assumption that it was the calcium in the ash that gave it its cementitious properties...
Does Expensive Coffee actually taste better?
Adults Education
Coffee beans are one of the most confusing items to purchase, so over the past several weeks, I bought 20+ different kinds of coffee at different price points, visited a local roaster, tried roasting my own beans at home and tested a bunch of types of coffee in order to understand the flavor and price differences of coffee beans.
Computer Skills For Teens: Social Media Etiquette
Youth Education
Without our usual visual cues, online interactions can sometimes lead to serious miscommunications. Learn a few tips to avoid this.
Why the Three-Body Problem is Unsolvable*
Adults Education
What is the THREE-BODY PROBLEM? What does it have to do with the award-winning book of the same name?
The Language Counting Paradox
Adults Education
Lots of languages and species are going extinct, but because others keep getting found or described, the official counts of languages and species are still increasing.