Do you know how to set Context variables in Power Apps? I thought, I did as well. But I had forgotten that there are two ways ...

Editing your PC's environment variables can save you time in Command Prompt and make your scripts more concise. It also lets ...

Radio experimenters often need a variable capacitor to tune their circuits, as the saying goes, for maximum smoke. In decades past these were readily available from almost any scrap radio, but the ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Grant’s interview caused a ripple of reaction in the Blazer’s Edge Mailbag, including this question: ...

The first opportunity to score regular tickets for the 2026 World Cup is here. But be warned: Tickets may not be easy to get — and they likely won't be cheap. Why FIFA's revamped Club World Cup is off ...

With a credit card you borrow by spending on the card up to an agreed limit. If you pay off the total amount spent on the card each month, you will not be charged interest. But if you don’t pay it off ...

That's partly because, in addition to being uncertain, the sun's radius is not sharp. In reality, the sun's photosphere — its bright face — has fuzzy edges that fade into the chromosphere and corona. ...

What is now the foundation of most PC games began almost 30 years ago as a desperate act of self-defence. A look at technology, triumphs and failures.

Mînzu, V. and Arama, I. (2025) A New Method to Predict the Mechanical Behavior for a Family of Composite Materials. Journal ...

This set of shorter video clips is taken from the Live Lesson programme and can be used to teach individual topics. A look at a simple series circuit and the use of electrical symbols in a diagram.