American Institute of Physics

How Earth's rotation affects vortices in nature

What do smoke rings, tornadoes and the Great Red Spot of Jupiter have in common? They are all examples of vortices, regions within a fluid (liquid, gas or plasma) where the flow spins around an imaginary straight or curved ...

Oct 15, 2013
3.4 / 5 (7) 4 | with audio podcast

Bats inspire 'micro air vehicle' designs

By exploring how creatures in nature are able to fly by flapping their wings, Virginia Tech researchers hope to apply that knowledge toward designing small flying vehicles known as "micro air vehicles" with ...

Feb 18, 2014
3.4 / 5 (7) 1

Using fluctuating wind power

Incorporating wind power into existing power grids is challenging because fluctuating wind speed and direction means turbines generate power inconsistently. Coupled with customers' varying power demand, many ...

Mar 25, 2013
3.5 / 5 (6) 8 | with audio podcast

Sound increases the efficiency of boiling

Scientists at the Georgia Institute of Technology achieved a 17-percent increase in boiling efficiency by using an acoustic field to enhance heat transfer. The acoustic field does this by efficiently removing vapor bubbles ...

May 24, 2012
5 / 5 (4) 6