News tagged with effect

Unleashing the power of quantum dot triplets

Quantum computers have yet to materialise. Yet, scientists are making progress in devising suitable means of making such computers faster. One such approach relies on quantum dots—a kind of artificial atom, ...

Jul 24, 2014
4.2 / 5 (6) 0

Arm swinging reduces the metabolic cost of running

Have you ever tried running without swinging your arms? It's not easy. Each step jars and it feels like hard work: but is it? Christopher Arellano, from Brown University, USA, says, 'We know from the literature ...

Jul 18, 2014
4 / 5 (8) 1

London heat boost underestimated

London's urban heat island effect, which keeps night-time temperatures in the capital warmer than in surrounding rural areas, may have been underestimated by up to 45 per cent.

Jul 14, 2014
5 / 5 (3) 0

Highway for ultracold atoms in light crystals

When a superconductor is exposed to a magnetic field, a current on its surface appears which creates a counter field that cancels the magnetic field inside the superconductor. This phenomenon, known as "Meissner-Ochsenfeld ...

Jul 09, 2014
4.2 / 5 (5) 0

Scientists ignite aluminum water mix

(Phys.org) —Don't worry, that beer can you're holding is not going to spontaneously burst into flames, but under the right circumstances aluminum does catch fire, and the exact mechanism that governs how, ...

Jul 01, 2014
4.6 / 5 (15) 4

Traffic noise solutions exist for dense cities

Traffic noise is the second biggest environmental problem in the EU, according to WHO. After air pollution, noise is affecting health the most. But legislation regarding noise pollution is insufficient. A ...

Jul 01, 2014
5 / 5 (2) 0