Watch this short video to understand why train wheels are conical instead of cylindrical and why they have rigid axels.
Spinning the plunger of a glass syringe quickly enough will cause the plunger to levitate, but why? Steve Mould takes a look at an interesting phenomenon and shows off a self-levitating disk made by a viewer. Tom Lipton shows how he made the contraption here: Image: YouTube / Steve Mould READ THE REST
If humans wait to address climate change until we have to resort to last-ditch efforts like geoengineering, the potential upside as well as the unknown risks will both increase. Since most humans don't seem very good at the "ounce of prevention" thing, and the pound of cure often has unintended consequences (i.e., invasive species), it… READ THE REST
Engineering at Home was created by Sara Hendren and Caitrin Lynch at Olin College of Engineering, and features tons of DIY accessibility projects that offer engineering solutions to help people adapt to their environments. For example, these personal sandwich-grabbing tongs: Or these eating tools that don't require fingers to hold them: Or a reading board that holds down a newspaper/book… READ THE REST
If you've got a central heating and cooling system in your home, it takes little effort to slap on a new smart thermostat and earn an exciting new level of control over your environment. However, if your home's cooling needs are handled by portable or window-mounted air conditioning units, you're often stuck with manually pushing… READ THE REST
When you sit down to try something called Unicorn Jerky, you already know you're straying a bit off the beaten path. However, you can also go in knowing you're in good hands. Since the world is still looking for a steady supply of unicorns, this confection isn't a meat-based jerky product at all. In fact,… READ THE REST
If you need something, it's always good to shop around to find the best price. That's a tenet of shopping that covers buying a new car, a new towel, eggs…virtually anything. And it's no different if you're in the market for cloud storage space. A quick look at some of the biggest, most well-known cloud… READ THE REST