Mechanical engineers have demonstrated a set of prototypes for manipulating particles and cells in a Petri dish using sound waves. The devices, known in the scientific community as 'acoustic tweezers, ...

No one really knew who John Ritter was yet. "Three's Company" and its stars were still being introduced to America's TV critics in their bi-annual coastal migrations. It was my luck that I was one of ...

DIY science experiments have always been popular. You can spending your weekends blowing up a bottle of Diet Coke with Mentos, or your evenings making handheld fireballs. Sometimes you learn something ...