Animator Eoin Duffy and Amber L. Stuver of TED Ed explain how the gravity of every object affects every other object in the cosmos, and the technology that researchers use to detect and track these waves so they can better understand our universe.
It’s a nasty thought, but our bodies are teeming with billions of bacteria all of the time. At times, these microbes are helpful partners, doing things like digesting food, and at other times, they want to kill us. Kurzgesagt explores the delicate balance of the human microbiome.
Schlieren imaging is a method of visualization which plays with light refraction to capture images of normally invisible fluid patterns like air movement. Here, Veritasium walks us through a variant which uses colored filters to produce some astounding images.
Kyle Hill from Nerdist recently posted a brief clip that shows the crazy stuff that happens when you inject compressed air into a bed filled with sand. We spotted this 2012 video from The Royal Institution that shows much more, and provides an explanation of the physics at work.
Sight, smell, touch, taste, hearing. We’ve had it engrained our whole lives that those are THE five human senses, but there are many other things we can detect that don’t tie to an obvious sensory organ. Vox delves into some of our abilities which didn’t make the short list.
It’s the stuff of science fiction at this point, but it’s certainly worth exploring the idea that building a planet capable of supporting human life could be an alternative to colonizing an existing, less hospitable planet. Life Noggin ponders this question in this all-too-short video.
SciShow host Hank Green answers the question none of us were asking, as he explores the rather ludicrous sounding idea of sending our garbage to the nearest volcano, and then just dumping it in. We don’t really need to explain why this is a bad idea, do we?
Lots of us stayed outside to watch the big solar eclipse this week, but this isn’t the view any of us saw. Instead of looking up at the skies, the University of Wisconsin Madison time-lapsed weather satellite imagery to track the shadow of the moon as it crossed the US.
The Backyard Scientist can’t be bothered to cook the meals he got from Blue Apron using normal kitchen appliances. Instead, he turns to more dangerous methods, like a powerful arc flashlight, a high-voltage transformer, a blowtorch, and delicious manganese heptoxide.
Back in 1952, London, England was engulfed in a think blanket of smog that was so nasty that it caused the city to come to a halt, and actually ended up killing an estimated 12,000 people. SciShow looks back at this tragic result of industrial development without controls.
Students from the Ithaca College Low Temperature Physics Lab created a neat version of a quantum levitation track. It still uses supercooling and magnets to work its magic, but adds a fun (and literal) twist to by running its course around a triple-twist Möbius Strip.
Veritasium takes a look at a neat physical property – the ability to levitate a lightweight ball or disc atop a jet of water. The trick involves getting the water to flow along one side, runs up and over the object, creating a state of equilibrium which allows it to spin.