For most people, calculators are cheap and simple devices used for little more than addition and the odd multiplication job.

Smoothie bikes are a great way to make a nutritious beverage while getting a workout at the same time. [Tony Goacher] was ...

Everyone knows that bearings are a consumable wear item, and that the power head of a vacuum likely contains bearings that will eventually need to be replaced. Yet when the manufacturer wants you ...

When you can buy something at a low price in one location, and sell it at a higher price somewhere else, you’re engaged in what economists call “arbitrage”. We’re not sure ...

The human body is remarkably good at handling repairs. Cut the skin, and the blood will clot over the wound and the healing ...

When last we saw [xoreaxeax], he had built a lens-less optical microscope that deduced the structure of a sample by recording ...