Feature Stories, Weblog & Reports

Can Newton's 2nd Law be Violated on Earth?

Astrophysicists have found evidence that a corrected version of Newton’s 2nd Law (which deals with the acceleration of mass) works well on the grand scale of the universe. These modifications to Newtonian physics are known ...

Mar 20, 2007 feature
3.6 / 5 (117) 0

Physicists Store Images in Vapor

Books are written on solid pieces of paper for an obvious reason: the atoms in a solid don’t move around much, keeping the words and pictures in place for centuries. Trying to store letters and images in ...

Jun 23, 2008 feature
4.5 / 5 (94) 4

Finnish inventor rethinks design of the axe

(Phys.org) —Finnish inventor Heikki Kärnä is the man behind the Vipukirves Leveraxe, which is a precision tool for splitting firewood. He designed the tool to make the job easier and more efficient, with ...

Apr 21, 2014 weblog
4.9 / 5 (86) 19

A Test of the Copernican Principle

The Copernican principle states that the Earth is not the center of the universe, and that, as observers, we don’t occupy a special place. First stated by Copernicus in the 16th century, today the idea is ...

May 22, 2008 feature
4.3 / 5 (94) 37

A New Reflection in the Mirror

A research group has devised a new type of mirror that reverses the magnetic field of a light wave upon reflection, rather than its electric field, as regular mirrors do. Seems like a minor difference? It's ...

Jan 10, 2007 feature
4.3 / 5 (95) 0

Make Ethanol in Your Own Backyard

A Silicon Valley start-up called E-Fuel is showing exactly how ethanol can live up to its name as "the people´s fuel." The company recently announced that it will soon start selling a home ethanol system, ...

May 09, 2008 weblog
3.9 / 5 (104) 24

Living Safely with Robots, Beyond Asimov's Laws

(PhysOrg.com) -- "In 1981, a 37-year-old factory worker named Kenji Urada entered a restricted safety zone at a Kawasaki manufacturing plant to perform some maintenance on a robot. In his haste, he failed ...

Jun 22, 2009 feature
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