What do you get when you cross a glue stick with a hobby servo motor? A linear actuator, of course! Although this could be done with other household implements, the form factor of this glue stick ...

Other glues help things stick because of a chemical reaction. Silicone and cyanoacrylate glues, like Krazy Glue and Gorilla Glue, react with water vapor in the air ... in this issue of Celebrating ...