The gravitational constant G determines the strength of gravity—the force that makes apples fall to the ground or pulls the Earth in its orbit around the sun. It is part of Isaac Newton's law of universal gravitation, which ...
General Physics
Jul 11, 2022
10
1009
Aircrafts transport people, ship goods, and perform military operations, but the petroleum-based fuels that power them are in short supply. In research publishing on June 30 in the journal Joule, researchers at the Lawrence ...
Biochemistry
Jun 30, 2022
0
1587
A white mineral ring as tall as the Statue of Liberty creeps up the steep shoreline of Lake Mead, a Colorado River reservoir just east of Las Vegas on the Nevada-Arizona border. It is the country's largest reservoir, and ...
Earth Sciences
Jun 29, 2022
0
154
Blood pressure is one of the most important indicators of heart health, but it's tough to frequently and reliably measure outside of a clinical setting. For decades, cuff-based devices that constrict around the arm to give ...
Bio & Medicine
Jun 20, 2022
0
460
Many different types of bacteria and viruses can cause pneumonia, but there is no easy way to determine which microbe is causing a particular patient's illness. This uncertainty makes it harder for doctors to choose effective ...
Biochemistry
Jun 13, 2022
0
167
As electronic, thermoelectric and computer technologies have been miniaturized to nanometer scale, engineers have faced a challenge studying fundamental properties of the materials involved; in many cases, targets are too ...
Nanophysics
Jun 8, 2022
0
674
Slashing emissions of carbon dioxide, by itself, cannot prevent catastrophic global warming. But a new study concludes that a strategy that simultaneously reduces emissions of other largely neglected climate pollutants would ...
Environment
May 23, 2022
25
455
During image analysis, researchers use light sheet microscopy of cleared tissue as a preferred method for high throughput volumetric imaging. A flexible system can provide a range of sizes, resolution and tissue-clearing ...
By the middle of the century, three-quarters of Ukrainian croplands—a critical source of the world's grain and oilseeds—will experience water shortages due to the combination of climate change and infrastructural damage ...
Agriculture
Jul 19, 2024
0
0
Montana State University researcher James Crawford recently published a collaborative paper with the National Renewable Energy Laboratory that marks a step forward in their quest for what he calls a "holy grail" of chemistry: ...
Nanomaterials
Jul 18, 2024
0
14
