News tagged with vacuum energy

Is the universe a bubble? Let's check

Perimeter Associate Faculty member Matthew Johnson and his colleagues are working to bring the multiverse hypothesis, which to some sounds like a fanciful tale, firmly into the realm of testable science.

Jul 17, 2014 4.4 / 5 (85) 65

Dark energy hides behind phantom fields

Quintessence and phantom fields, two hypotheses formulated using data from satellites, such as Planck and WMAP, are among the many theories that try to explain the nature of dark energy. Now researchers from ...

Mar 26, 2014 4.2 / 5 (37) 78

Watching solar cells grow

(Phys.org) —For the first time, a team of researchers at the HZB led by Dr. Roland Mainz and Dr. Christian Kaufmann has managed to observe growth of high-efficiency chalcopyrite thin film solar cells in ...

Jun 27, 2013 4.4 / 5 (5) 1 | with audio podcast

Superconductors face the future

Futuristic ideas for the use of superconductors, materials that allow electric current to flow without resistance, are myriad: long-distance, low-voltage electric grids with no transmission loss; fast, magnetically ...

Sep 10, 2010 4.9 / 5 (12) 0 | with audio podcast

Drinking water from air humidity

Cracks permeate the dried-out desert ground, the landscape bears testimony to the lack of water. But even here, where there are no lakes, rivers or groundwater, considerable quantities of water are stored ...

Jun 05, 2009 4.9 / 5 (17) 12