Information transfer in free space using ultraviolet, visible, or infrared waves has been gaining interest because of the availability of large bandwidth for high-data-rate communication. However, the presence of opaque occlusions ...
Optics & Photonics
Nov 6, 2023
0
159
Designing a heat engine that can produce maximum power at maximum efficiency is a major challenge. Practical heat engines are limited to a theoretical efficiency called the Carnot limit, which sets a cap on how much heat ...
General Physics
Nov 1, 2023
0
58
Humans have increased the concentration of potentially toxic mercury in the atmosphere sevenfold since the beginning of the modern era around 1500 C.E., according to new research from the Harvard John A. Paulson School of ...
Earth Sciences
Nov 1, 2023
1
46
Sperm can modulate their energetics by regulating their flagellar waveform—how the sperm oscillate their tails—in order to adapt to varying fluid environments, potentially optimizing their motility and navigation within ...
Cell & Microbiology
Nov 1, 2023
0
61
Next-generation solar materials are cheaper and more sustainable to produce than traditional silicon solar cells, but hurdles remain in making the devices durable enough to withstand real-world conditions. A new technique ...
Materials Science
Oct 28, 2023
0
233
We live in an era of data deluge. The data centers that are operated to store and process this flood of data use a lot of electricity, which has been called a major contributor to environmental pollution. To overcome this ...
Condensed Matter
Oct 17, 2023
0
18
In a new breakthrough, researchers have used a novel technique to confirm a previously undetected physics phenomenon that could be used to improve data storage in the next generation of computer devices.
Condensed Matter
Oct 13, 2023
0
328
Researchers have developed an easy-to-use optical chip that can configure itself to achieve various functions. The positive real-valued matrix computation they have achieved gives the chip the potential to be used in applications ...
Optics & Photonics
Oct 11, 2023
0
97
ESA's Gaia provides many new and improved insights into our galaxy and beyond with the release of five new data products. Among other findings, the mission reveals half a million new and faint stars in a massive cluster. ...
Astronomy
Oct 10, 2023
1
36
According to a new paper, ancient Maya reservoirs, which used aquatic plants to filter and clean the water, "can serve as archetypes for natural, sustainable water systems to address future water needs."
Earth Sciences
Oct 9, 2023
0
189
