News tagged with momentum

Separation of para and ortho water

(Phys.org) —Not all water is equal—at least not at the molecular level. There are two versions of the water molecule, para and ortho water, in which the spin states of the hydrogen nuclei are different. ...

14 hours ago 4.3 / 5 (3) 1

Controlling electron spins by light

Topological insulators are considered a very promising material class for the development of future electronic devices. A research team at Helmholtz-Zentrum Berlin has discovered, how light can be used to ...

Mar 27, 2014 4.6 / 5 (7) 1

Simple, like a neutron star

For astrophysicists neutron stars are extremely complex astronomical objects. Research conducted with the collaboration of SISSA and published in the journal Physical Review Letters demonstrates that in cer ...

Mar 25, 2014 4.6 / 5 (13) 2

How fast do black holes spin?

There is nothing in the Universe more awe inspiring or mysterious than a black hole. Because of their massive gravity and ability to absorb even light, they defy our attempts to understand them. All their ...

Feb 14, 2014 4.8 / 5 (32) 27

Old young stars

(Phys.org) —The early stages of a star's life are critical both for the star and for any future planets that might develop around it. The process of star formation, once thought to involve just the simple ...

Nov 11, 2013 5 / 5 (9) 2 | with audio podcast