Extreme tornado outbreaks have become more common, says study

Most death and destruction inflicted by tornadoes in North America occurs during outbreaks—large-scale weather events that can last one to three days and span huge regions. The largest ever recorded happened in 2011. It ...

Physicists make discovery about temperature in convection

An international team of physicists is working to ascertain more about the fundamental physical laws that are at work in a process known as convection, which occurs in a boiling pot of water as well as in the turbulent movement ...

Fewer exploding stars potential predictor of global warming

(Phys.org)—One of the universe's greatest unexplained mysteries – why stars explode – could be explained by a particle similar to the Higgs boson. The theory developed by University of Aberdeen astrophysicist, Dr Charles ...

Spurious switching points in traded stock dynamics

Physicists have rebuffed the existence of power laws governing the dynamics of traded stock volatility, volume and intertrade times at times of stock price extrema. They did this by demonstrating that what appeared as "switching ...

Physicists study mechanics of 'crackling'

(PhysOrg.com) -- Everywhere around us, things "crackle" -- from Rice Krispies in a puddle of milk, to crumpled pieces of paper, to the Earth's crust from earthquakes. Physics is helping us understand what this familiar noise ...

Bringing down the electric grid

Last March, the U.S. Congress heard testimony about a scientific study in the journal Safety Science. A military analyst worried that the paper presented a model of how an attack on a small, unimportant part of the U.S. power ...

Internet warriors hone skills at Black Hat - DefCon

Internet warriors are gathering this week to explore chinks in the armors of computers, bank teller machines, mobile phones, power grids, and other "smart" devices intrinsic to modern life.

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