Learn how to simplify spherical unit vectors using Cartesian representation in this clear, step-by-step tutorial. Perfect for physics and engineering students, this video breaks down the math behind ...

Energy is fundamentally important—researchers have linked a lack of reliable energy to poor physical health, poor mental ...

The currents of the oceans, the roiling surface of the sun, and the clouds of smoke billowing off a forest fire—all are ...

In my January 23, 2026, “The Universe” column, I wrote about some of the biggest bangs the universe has to offer: exploding stars, hiccupping magnetars, stellar disruptions and colliding black holes.

A meeting comprising Lebanese, Syrian, Egyptian and Jordanian officials will be held in February with the aim of facilitating the exportation of electricity and gas from Jordan and Egypt to Lebanon ...

Mathematicians finally understand the behavior of an important class of differential equations that describe everything from ...

Energy costs will be a key factor in determining how successful countries are in the AI race, Microsoft's Satya Nadella said on Tuesday. Hyperscalers, including Microsoft, have seen capital ...

Renewable energy use in the U.S. has doubled in the past decade, with state-level contributions varying. Some states produce over half their electricity from renewables, targeting 100% clean energy ...

I did the math to see how much an air fryer costs to run versus the big oven. Here's what I found. David Watsky Managing Editor / Home and Kitchen David lives in Brooklyn where he's spent more than a ...

Real-world optimization problems often require an external “modeling engine” that computes fitnesses or data that are then input to an objective function. These programs often have much longer ...

Wrestling with Word’s equation editor can be frustrating, but it doesn’t have to be. A few simple tricks can make typing and formatting math equations a breeze—no more clunky menus or endless ...

[SINGAPORE] UOB shares declined by more than 3 per cent on Monday (Jan 26) morning, after hitting a new high last Friday. As at 9.05 am, the counter had slipped by over 2 per cent to S$38.43, before ...