News tagged with friction

Increasing rainfall may affect winds: study

(PhysOrg.com) -- Falling raindrops produce friction as they drop through the atmosphere to the ground, and this dissipates the kinetic energy, converting it into diffuse heat. Now researchers in the US have used recently-obtained ...

dateFeb 24, 2012 in Earth Sciences report
shares0 comments 4

Black hole jets

(PhysOrg.com) -- Black holes are irresistible sinks for matter and energy. They are so dense that not even light can escape from their gravitational clutches. Massive black holes (equal to millions or even billions of solar ...

dateJan 16, 2012 in Astronomy
shares0 comments 6

On the edge of friction

(PhysOrg.com) -- The problem exists on both a large and a small scale, and it even bothered the ancient Egyptians. However, although physicists have long had a good understanding of friction in things like stone blocks being ...

dateDec 20, 2011 in Condensed Matter
shares1 comments 3

Bobsled runs -- fast and yet safe

Lightning fast, the sled bolts down the icy run. Will the team make it to the finish faster than their competitors? The tension in the crowd depends partly on the run itself: the faster the sleds can travel on the run, the ...

dateDec 01, 2011 in Earth Sciences
shares0 comments 1