Whether wriggling your toes or lifting groceries, muscles in your body smoothly expand and contract. Some polymers can do the same thing—acting like artificial muscles—but only when stimulated by dangerously high voltages. ...
Polymers
Apr 12, 2023
0
174
Astronomer Carl Sagan famously said that there were more stars in the universe than grains of sand on earth.
Astronomy
Mar 28, 2023
1
32
A study published in ACS Applied Materials & Interfaces describes a novel method of producing hydrogen peroxide (H2O2) without emitting carbon dioxide (CO2), one of the main greenhouse gases and one of the world's most widely ...
Materials Science
Jan 27, 2023
13
90
Cities are artificially lit to allow humans to make use of the night. This light pollution means that stars are often barely visible in urban skies. But reduced stargazing is not the only impact of artificial light at night.
Ecology
Jan 5, 2023
0
5
They light up the night on the darkest days of the year.
Plants & Animals
Dec 14, 2022
0
3
It's easy to control the trajectory of a basketball: Just apply mechanical force coupled with human skill. But controlling the movement of quantum systems such as atoms and electrons is much more challenging, as these minuscule ...
Quantum Physics
Nov 30, 2022
0
283
To effectively replicate the movements of humans and animals, robots should integrate muscle-like structures. These artificial muscles should attain an optimal performance across all relevant actuation parameters, including ...
Throughout history, people have used caves for a number of reasons: as shelters, places for rituals, food storage, and, in more recent times, as touristic attractions. In these so-called show caves, visitors can experience ...
Ecology
Nov 16, 2022
0
4
Urban smog is a major threat to human health. New sensors and data-collection techniques will help to improve air quality.
Planetary Sciences
Nov 2, 2022
0
7
Using holograms created in digital microscopes and interpreted using artificial intelligence (AI), researchers can now follow the lives of microplankton at the individual level for the first time. The method is the result ...
Cell & Microbiology
Nov 1, 2022
0
146
