How old is too old for a chalkboard wall? Asking for a friend. Your kids might have very specific ideas about how they want their bedroom decorated, but let's be real: Head-to-toe pink looks cute literally
What do we expect will happen in one thousand years time? Or one million years? Or even one billion? As our amazing timeline shows, there may be trouble ahead. As the beginning of the year is upon us at
With a simple trick, the humble spud can be made into a battery, so could potato powered homes catch on? Mashed, boiled, baked or fried? You probably have a preference for your potatoes. Haim Rabinowitch,
Dirt-cheap bricks—just add pressure Bricks are fairly easy to make, but in the developing world, traditional fired bricks are sometimes weak and crumble-prone, while cement ones are often unaffordable.