A speed square has many obvious uses for marking up your building materials. Here's a small hidden feature you may not know about: it can also draw perfect circles. Most speed squares have a notch at ...

I have way too many photos and screenshots saved on my iPhone-- nearly 60,000 images are sitting in my camera roll as I write this. And I like to draw on many of them, especially screenshots of funny ...

Forbes contributors publish independent expert analyses and insights. Barry Collins is a tech journalist writing about PCs, Macs and games. We’ve all been in shades of lockdown for months, it’s the ...

Let's face it: drawing circles is hard. Our minds are programmed to love the symmetry of the shape, but our hands just can't make it perfect. We're so inadequate at drawing circles, scientists have ...