Could i build a nuclear reactor in my shed?

These devices use a radioactive element to help sniff out smoke and alert you to a potential fire

Tech solutions and real world tips

With growing demand and dwindling resources, there’s only one direction fuel bills are going. But soon we could have power stations in our gardens

There is a type of landmine that springs into the air before detonating, high enough for the deadly arc of shrapnel to reach the vital organs. The idea isn’t new—Germany produced almost two million “B

FEATURE ROGER HUNT, CO-AUTHOR OF OLD HOUSE HANDBOOK

How the scanning electron microscope takes detailed images of things too tiny for our naked eye to see