He’s picked up a trick or two building these replicas, such as this method for creating bespoke slide switches with a 3D printer. Not only does this idea allow you to control a custom number of ...

There's nothing else in the world quite like the 48 cylinder Whitelock Tinker Toy, and now it can be yours. Why would you ...

But if you want to make a custom scale, or make one of that’s meters long, check out [Dylan]’s project and give it a whirl. For another take on making slide rules, check out this project that ...

A tiny, cheap device known as a "Glock switch" or a "machine gun conversion device" allows criminals to convert a handgun into a machine gun and unleash 30-plus rounds in seconds, federal ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tyler Wells Lynch Amazon's October Prime Day event is almost here!

Before there were apps for tablets and smartphones, before mathematics education software was easily installed on personal computers, before electronic calculators entered professional practice and ...

Though you can always choose a premade template, you may want to customize your PowerPoint slide backgrounds manually. You can add a custom background to one or more slides, and you'll also have ...

The Rasmussen Reports daily Presidential Tracking Poll, Sponsored by Matt Palumbo's "How the Left Hijacked and Weaponized the Fact-Checking Industry." Monday shows that 43% of Likely U.S ...

3. Toward the right, you'll see "Slide Size." Click it for a drop-down menu of options. 4. Select the included Standard or Widescreen options, or click "Page Setup…" for a custom size.

The card earns 5% cash back (up to a spending cap) in your top spending category each billing cycle. Everything else earns an unlimited 1% back. This no-fuss, high-earning cash back card is ideal ...