A team from the University of Amsterdam has created this year's coolest Christmas decoration: a 3D printed tree made of ice.

Learn how to create a functional DIY mini vacuum cleaner using everyday materials like a plastic bottle and a small DC motor. Follow this step-by-step tutorial as we build a portable vacuum cleaner ...

Twelve vacuums went into our Testing Lab, but only seven made the cut. These are the best upright vacuum cleaners to keep ...

A team of physicists from the University of Amsterdam’s Institute of Physics has 3D-printed a Christmas tree made entirely of ...

Maryland will create a commission to study potential slavery reparations in the state, after lawmakers overrode a veto by ...

Evaporative cooling is far from new—it has been used to cool living spaces and drinking water for centuries—but the Matter of ...