News tagged with drag

How do planets form?

We have a pretty good idea of how planets form around stars. We know that dust is formed from the remnants of supernovae, that protoplanetary disks of dust form around young stars, and that dust grains can ...

Sep 09, 2014 4.9 / 5 (9) 26

High-angle helix helps bacteria swim

(Phys.org) —A high-angle helix helps microorganisms like sperm and bacteria swim through mucus and other viscoelastic fluids, according to a new study by researchers from Brown University and the University ...

Aug 13, 2013 3.5 / 5 (2) 0 | with audio podcast

The aerodynamics of speed skiing

(Phys.org) —By studying the aerodynamics of speed skiing, Engineering student Robert Sills is developing methods to improve results of the British Speed Ski Team by reducing aerodynamic drag.

Mar 06, 2013 not rated yet 0