Engineers at Tesla traded out the previous induction motor for the new IPM-SynRM with a permanent magnet rotor. This terrific video explains why. It all comes down to efficiency.
Image: YouTube / Learn Engineering
Excellent explainer on Tesla's new motor
Excellent interactive explanation of how mechanical watches work
Bartosz Ciechanowski's animated tour of how a mechanical watch works is the best I've ever seen. Each component, from the spring to the second hand, is explained in plain English with clear, interactive diagrams. It really wound me up! Mechanical watches are not as accurate as digital ones. They require maintenance and are more fragile.… READ THE REST
How steel balls are made
A wealth of surprises lay in store here if you do not already know how balls are made! Raw balls are cut, deburred, ground and polished. Just wait 'til you get to the section on flashing! Dealing with uneven balls is quite the engineering challenge. This edition of the series of programs explaining the technology… READ THE REST
Cybertruck arriving next year (like fully autonomous self-driving and the second coming of Christ)
The New York Times' story about the latest Cybertruck reveal—it's coming in 2023 for real, Tesla promises—is as much about the earlier "inauspicious" promises as it is about the vehicle itself. "We can't wait to build this here," Mr. Musk, wearing a black cowboy hat, said of the truck. "Sorry for the delay. But you're… READ THE REST
Save over $50 off this smart Belgian waffle maker
Belgian waffles are a blank template for unforgettable weekend breakfasts. From savory creations with avocado, bacon, and goat cheese to the traditional sweet kinds with berries, powdered sugar, and syrup, waffles are unstoppable. However, nothing brings down a waffle-inspired dream morning like the antiquated, dirty waffle iron that cooks unevenly or worse, unexpectedly burns and dries… READ THE REST
Score this headlamp for 21% off and never be without a burst of brightness
Summer is here, which means we're spending less time under blankets and more time under stars. And, while we're no longer chasing the sun quite as fast, sometimes random household chores do need an extra flash of light here and there. This One80 LED Headlamp will help you get the darker things done so you can get back… READ THE REST
Generate secure passwords and keep your current ones secure for $25
From your music streaming subscriptions and bank accounts to your work laptop, passwords unlock the most vital things in our lives. Unfortunately, that's a mess to track unless you're exceptionally organized or have some intricate communication system for your passwords and logins. If you aren't, you might deal with many forgotten unique passwords, annoying security questions, and botched password… READ THE REST
