(Phys.org)—Astrophysicists from Germany and France have recently performed very high energy studies of the pulsar wind nebula (PWN) designated HESS J1825−137. The findings, presented in a paper published Oct. 27 on arXiv.org, ...
There is a story about how the modern golf ball, with its dimpled surface, came to be: In the mid-1800s, it is said, new golf balls were smooth, but became dimpled over time as impacts left permanent dents. Smooth new balls ...
General Physics
Jun 24, 2014
8
0
When a current passes between two electrodes—one thinner than the other—it creates a wind in the air between. If enough voltage is applied, the resulting wind can produce a thrust without the help of motors or fuel.
Engineering
Apr 3, 2013
35
0
(Phys.org) —Faculty members at Delft University in the Netherlands have teamed up with architectural firm Mecanoo to develop a new way to generate electricity using wind energy. The result is the Electrostatic WInd-energy ...
(Phys.org)—The road to a sustainably powered future may be paved with superconductors. When chilled to frigid temperatures hundreds of degrees Celsius below zero, these remarkable materials are singularly capable of perfectly ...
Superconductivity
Jan 10, 2013
13
1
(PhysOrg.com) -- ESA’s Venus Express spacecraft has observed an eerie glow in the night-time atmosphere of Venus. This infrared light comes from nitric oxide and is showing scientists that the atmosphere of Earth’s nearest ...
Space Exploration
Feb 24, 2009
0
0
Globally, lightning is responsible for over 4,000 fatalities and billions of dollars in damage every year; Switzerland itself weathers up to 150,000 strikes annually. Understanding exactly how lightning forms is key for reducing ...
General Physics
Apr 26, 2024
0
41
In 1934, American entomologist Elwood Zimmerman, then an undergraduate student at Berkeley, participated in the "Mangarevan expedition" to Polynesia. Among the samples he collected were three tiny (4 mm long), orange-brown ...
Plants & Animals
Feb 26, 2024
0
19
Of the world's various weather phenomena, fog is perhaps the most mysterious, forming and dissipating near the ground with fluctuations in air temperature and humidity interacting with the terrain itself.
Earth Sciences
Dec 29, 2023
13
61
A research team led by Dr. Zhang Jujia from Yunnan Observatories of the Chinese Academy of Sciences and Prof. Wang Xiaofeng from Tsinghua University has revealed the stellar mass violently ejected from a progenitor at the ...
Astronomy
Oct 16, 2023
0
57
