To show off the Magnus effect, again, 5 balls of varying size are thrown off a 200m cliff. Fun ensues.
Matthias Wandel explains how this self-inverting spinning top will flip over when spun quickly enough. If you have a lathe, Matthias shows you how to make your own: If you don't have a lathe, you can buy plastic ones and even fancy metal ones, spelled variously as tippie tops or tippy tops. Image: YouTube /… READ THE REST
Since he was a kid, Destin Sandlin from Smarter Every Day has wondered what would happen when a baseball went supersonic. So he build a supersonic baseball cannon. You may recall he built a similar gun to stress test a golf ball: Image: YouTube / Smarter Every Day READ THE REST
The Action Lab looks deeper into why strange-shaped objects like this octohedron can roll. A lot of it is about friction, or lack of slipping. Part of the issue is probably materials as well, as an object has to be sufficiently dense for the rolling to continue. These heavier objects just need a shove of… READ THE REST
It's a toss-up over which harmful airborne pathogen is most disruptive for every American living on the west coast these days. As horrible as coronavirus has been, experts would probably say the recent wildfires have been what's truly been borderline apocalyptic from an air quality standpoint. In fact, global air quality trackers with IQAir said… READ THE REST
The website Autowise recently asked fans on Twitter to name their top American dream car. And as it turns out, the U.S. has more ecologically minded car owners than you might think. In fact, drivers in 20 states said the dream car they salivated over the most…was a Tesla. As that survey shows, the luxury… READ THE REST
With most of the world more conscious than ever about their carbon footprint and the sustainability of the actions they take, it begs an important question — can air travel ever be green? Unfortunately, giant planes provide a giant amount of carbon emissions. In fact, one flight from New York City to Amsterdam produces emissions… READ THE REST