If you’re carrying around an exposed circuit board and a bunch of wires people are going to notice you. But a dry erase marker won’t turn any heads. And this one holds its own little secret.

You can use dry-erase markers on a lot more surfaces than just a whiteboard—just about any non-porous surface can be used as ...

When my kids were little, I did my very best to hide all our permanent markers where they couldn't get to them. But somehow they caught on that Sharpies produced the best black lines for their art ...