The ruler is a great educational equalizer—students in San Francisco and Sub-Saharan Africa can both learn the basics of geometry using nothing more than a stick with regularly spaced marks. Their ...

When I sew my aprons, I like to have a ruler to line up the pockets before I sew them onto the apron front. I now use a wooden ruler that I found at a thrift shop, since the cheap plastic rulers kept ...

Earlier this week there was suddenly news of an exciting new invisibility cloak. In the end, the story was driven by a blathering press release full of typically questionable science buzzwords. Add ...

Fairfield household-, school- and office-cutting/measuring tools maker Acme United Corp. purchased assets of Bloomfield’s C-Thru Ruler Co. for about $1.5 million to expand its line of drawing and ...

Here is another demo from my book, Angry Birds Furious Forces. This is great demo and you can do it yourself at home. How do you do it? You just need some type of plastic thing. A comb, a plastic pen ...