News tagged with perturbation

The older we get, the less we know (cosmologically)

(Phys.org) -- The universe is a marvelously complex place, filled with galaxies and larger-scale structures that have evolved over its 13.7-billion-year history. Those began as small perturbations of matter ...

May 22, 2012
3.4 / 5 (18) 14 | with audio podcast

Researchers reveal unseen planet by its gravity

More than a 150 years ago, before Neptune was ever sighted in the night sky, French mathematician Urbain Le Verrier predicted the planet's existence based on small deviations in the motion of Uranus. In a ...

May 10, 2012
4.9 / 5 (14) 0 | with audio podcast

Scientist make a leap in quantum computing

(PhysOrg.com) -- A major hurdle in the ambitious quest to design and construct a radically new kind of quantum computer has been finding a way to manipulate the single electrons that very likely will constitute ...

Feb 05, 2010
4.7 / 5 (28) 20 | with audio podcast

Extraordinary sensors pushed to their boundaries

Last year, Tobias Kippenberg and his team from the Laboratory of Photonics and Quantum Measurements (LPQM1) presented a new-generation sensor capable of detecting very small forces with unprecedented efficiency. These devices, ...

Jan 09, 2014
5 / 5 (5) 1 | with audio podcast