Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Abstract: Inrush current generated during the commissioning of converter transformers will seriously threaten the stability of power system. Existing closing strategy cannot suppress inrush current ...

Remember the buzzy boutique fitness classes that soared in the mid to late-2010s? There was a time when you couldn’t skim a stone down 23rd Street in Manhattan without it ricocheting off three ...

Platinum has been considered a precious metal for a couple thousand years now, with folks in both hemispheres using it to show off their conspicuous consumption since about 700 BCE. This is partly ...

We may receive a commission on purchases made from links. The catalytic converter is a non-serviceable part that can last well beyond 100,000 miles; or, in some cases, the entire life of the vehicle, ...

Performances in N.Y.C. Advertisement Supported by Critic’s notebook What is the purpose of a poem, an illustration or a nonsensical phrase in a score? If it makes musicians stop and think, that’s a ...

Your iPhone uses the HEIC file format by default, but it isn't universally supported, making it a hassle to convert these images to JPG. That's where Apple's Shortcuts app comes in. I've written for ...

In the race to make the illiquid private markets more liquid and inviting to investors, one firm has stood out for its ability to raise billions of dollars without relying on institutional sources.

Are you thinking of making the switch from a physical SIM to an eSIM? The good news is that you may be able to simply convert your SIM card to an eSIM from your device. We’ll walk you through the ...

The demand for smaller, lighter, and more efficient AC/DC USB power delivery (PD) chargers is always a challenge for power-supply design engineers. Below 100 W, the quasi-resonant flyback is still the ...

We all have a few go-to calculations that we find ourselves doing often, like converting ounces to cups or miles to kilometers—that sort of thing. When I need to do a quick conversion, I use ...

Thanks to the Clean Air Act of 1970, all cars sold in the US after 1975 must have catalytic converters (cats) installed on them. That means that if you drive a relatively modern car, it should have ...