And so we tapped the experts to find out how to achieve a beautiful, oh-so-satisfyingly straight paint line. The masses agree ...

While taping is a tried and true technique for painting straight lines, applying it can be tedious. This handy tool lets you ditch the tape for good.

Can you use any advanced math to finish a paint job faster or more efficiently? Let's find out. Click here to see the cool math that could help your chores.