ETH Zurich

Why lithium-ion-batteries fail

Materials in lithium ion battery electrodes expand and contract during charge and discharge. These volume changes drive particle fracture, which shortens battery lifetime. A group of ETH scientists together ...

Oct 17, 2013 4.6 / 5 (24) 0 | with audio podcast

Ice ages only thanks to feedback

Ice ages and warm periods have alternated fairly regularly in the Earth's history: the Earth's climate cools roughly every 100,000 years, with vast areas of North America, Europe and Asia being buried under ...

Aug 07, 2013 4.3 / 5 (32) 47 | with audio podcast

Surfing on acoustic waves (w/ Video)

(Phys.org) —ETH researchers are able to make objects such as particles and liquid droplets fly in mid-air by letting them ride on acoustic waves. For the first time, they have been able to also control ...

Jul 16, 2013 4.8 / 5 (19) 3 | with audio podcast

Big Bang under the microscope

(Phys.org)—Scientists have replaced the telescope with the microscope: Using the similarities between the structure of a crystal and the state of the cosmos in the early universe, they have explored a yet ...

Jan 03, 2013 3.9 / 5 (15) 22 | with audio podcast

Cutting light with a comb

(Phys.org)—Quantum physicists from ETH Zurich have discovered special properties in a laser, thanks to which portable devices can be built to analyse gases and liquids accurately and reliably in the future.

Dec 14, 2012 5 / 5 (8) 0 | with audio podcast

Straw albedo mitigates extreme heat

Wheat fields are often tilled immediately after the crop is harvested, removing the light-coloured stubble and crop residues from the soil surface and bringing dark bare earth to the top. Post-harvest tilling ...

Jun 23, 2014 3.8 / 5 (5) 0

Mycotoxin protects against nematodes

Researchers at ETH Zurich have isolated a protein from a fungus of the spruce which combats nematodes. The scientists hope that toxins of this kind will become the basis for the vaccination of livestock or ...

May 27, 2014 5 / 5 (2) 0