Stories by Lisa Zyga

Why is space three-dimensional?

(Phys.org)—The question of why space is three-dimensional (3D) and not some other number of dimensions has puzzled philosophers and scientists since ancient Greece. Space-time overall is four-dimensional, or (3 + 1)-dimensional, ...

May 03, 2016

Scientists turn to fireflies to improve OLED efficiency

(Phys.org)—Many insects, birds, fish, and amphibians emit light as a way to communicate with each other, but the species that produces light most efficiently is the firefly. In a new study, researchers have investigated ...

Apr 20, 2016

Researchers scale up ocean wave energy harvester

The world's oceans contain an enormous amount of energy in the form of waves, and researchers are trying to harness that energy for human use. However, most wave power stations today are still in the early stages of development, ...

Apr 18, 2016

Smart skin is powered by the objects it touches

(Phys.org)—Researchers have fabricated a smart skin that is self-powered by its frictional contact with the objects that it touches. When a honeybee crawls across the smart skin, the skin not only senses the insect, it ...

Apr 18, 2016

Physicists quantify the usefulness of 'quantum weirdness'

(Phys.org)—For the past 100 years, physicists have been studying the weird features of quantum physics, and now they're trying to put these features to good use. One prominent example is that quantum superposition (also ...

Apr 13, 2016

Microbots can clean up polluted water

(Phys.org)—A new study shows that a swarm of hundreds of thousands of tiny microbots, each smaller than the width of a human hair, can be deployed into industrial wastewater to absorb and remove toxic heavy metals. The ...

Apr 11, 2016