If you've been on a plane that's landed hard, you probably wondered why the tires didn't pop. In this video Brandy Moorhead, Goodyear's director of off-highway product development, explains how jet tires are made to withstand a 175,000-lb 737's hard landing.
For one thing, jet tires are made from a specially reinforced material not used in car or truck tires. Also, jet tires are inflated twice as much as truck tires and six times as much as car tires to give them extra strength. They are inflated with nitrogen instead of air, because nitrogen is an inert gas, which means pressure and temperature changes have less of an effect on the tires' characteristics. And the are retreaded every 500 landings.
In this video of The Action Lab, the Action Man puts a small fan into a vacuum chamber and pours a bunch of little styrofoam beads in it. At atmospheric pressure the beads fly all over the place. As he reduces the pressure inside a vacuum chamber, the beads slow down and eventually stop moving. […]
YouTuber Big Clive bought a “UV disinfection lamp” on eBay. He tested it first by turning it on and aiming it at the back of his hand for a few seconds and then sniffing his hand for “skin damage.” There was no odor, which was a good sign that it’s not really producing UV-C radiation, […]
YouTuber 3Blue1Brown has started a video series called “lockdown math.” In his latest episode he goes over the fundamentals of trigonometry in a way that is accessible and enjoyable.
We all know the drill. As the overlords of the smartphone and tablet markets, the braintrust at Apple very seldom hold sales on their signature devices. So rather than spending almost $1,000 on a brand-new iPad Pro, the folks in Cupertino are instead giving you the opportunity to score one for about a third of […]
Entrepreneurs looking for new avenues to reach customers may not have considered one of the fastest-growing content mediums today: podcasting. And we don’t mean just dropping an advertisement for your product or service in the middle of a popular show. Right now, there are about 850,000 active podcasts reaching 165 million Americans. Those listeners are […]
Twitter rants and various online ugliness aside, social media has actually grown up a bit over the past 15 years. In general, users are warier of their interactions on platforms like Facebook or Instagram — and marketers have taken note. In fact, if you felt retailers you saw on social media were only looking to […]