The Northern Lights have petered out during the second half of this decade, becoming rarer than at any other time in more than a century, the Finnish Meteorological Institute said Tuesday.
Earth Sciences
Sep 28, 2010
1
0
Futuristic ideas for the use of superconductors, materials that allow electric current to flow without resistance, are myriad: long-distance, low-voltage electric grids with no transmission loss; fast, magnetically levitated ...
Superconductivity
Sep 10, 2010
0
0
Astronomers at the University of California, Santa Cruz, have developed a new technique to determine the ages of millisecond pulsars, the fastest-spinning stars in the universe.
Astronomy
Jun 9, 2009
1
0
The expansion of the universe at some stage of evolution is well described by the Friedmann model. It was derived from general relativity a hundred years ago, but it is still considered one of the most important and relevant ...
General Physics
Jan 22, 2024
2
219
Ripples in a pond can be captivating on a nice sunny day as can ripples in the very fabric of space, although the latter are a little harder to observe. Using the highly tuned Gaia probe, a team of astronomers proposes in ...
Astronomy
Nov 28, 2023
0
75
The Earth's magnetic field plays a big role in protecting people from hazardous radiation and geomagnetic activity that could affect satellite communication and the operation of power grids. And it moves.
Planetary Sciences
Nov 28, 2023
0
47
Ah, dark matter particles, what could you be? The answer still eludes us, and astronomers keep trying new ideas to find them. A new paper in Physical Review Letters suggests that if dark matter is made of axions, we might ...
Astronomy
Oct 16, 2023
6
29
Millisecond pulsars are amazing astronomical tools. They are fast-rotating neutron stars that sweep beams of radio energy from their magnetic poles, and when they are aligned just right we see them as rapidly flashing radio ...
Astronomy
Sep 4, 2023
0
67
A new paper published in Nature Astronomy is shedding light on magnetars, whose attributes remain poorly understood. A magnetar is a type of neutron star with an extremely strong magnetic field that rotates once every two ...
Astronomy
Jan 12, 2023
1
20
Due to the ever-increasing growth of our data consumption, researchers are looking for faster, more efficient, and more energy-conscious data storage techniques. TU/e researcher Youri van Hees uses ultrashort light pulses ...
Optics & Photonics
Dec 9, 2022
2
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