In the never-ending arms race between bacteriophages and their prokaryotic hosts, prokaryotes have developed diverse defense systems to fend off phage invasions. These defense systems include the restriction-modification ...
Cell & Microbiology
Jul 28, 2023
0
17
Since the conception of the laser frequency comb in the late 1990s, it has revolutionized the precise measurement of frequency and time. Beyond their initial use in optical clocks and precision spectroscopy, optical frequency ...
Optics & Photonics
Jul 27, 2023
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1
NASA and the US military said Wednesday they had selected defense contractor Lockheed Martin to develop a nuclear powered rocket, with a view to using the technology for missions to Mars.
Space Exploration
Jul 26, 2023
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149
Organic light-emitting diodes (OLEDs) are now widely used. For use in displays, blue OLEDs are additionally required to supplement the primary colors red and green. Especially in blue OLEDs, impurities give rise to strong ...
Polymers
Jul 25, 2023
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51
York University and an international team of astrophysicists have made an ambitious attempt to simulate the formation of galaxies and cosmic large-scale structure throughout staggeringly large swaths of space.
Astronomy
Jul 20, 2023
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91
Integrated optical semiconductor (hereinafter referred to as optical semiconductor) technology is a next-generation technology for which many researches and investments are being made worldwide because it can make complex ...
Optics & Photonics
Jul 13, 2023
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15
A team of researchers from the Institute of Optics of CSIC and the Institute of Photonic Sciences (ICFO) of Barcelona has proposed a new design to implement highly directional single-photon sources, which constitutes an improvement ...
Nanophysics
Jul 13, 2023
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1
A group of RIPE researchers have found, for the first time, that chloroplast size manipulations are unlikely to be an option for increasing crop photosynthetic efficiency. Their work was recently published in New Phytologist.
Molecular & Computational biology
Jun 26, 2023
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16
Electrically pumped semiconductor lasers are among the most important sources, owing to their high efficiency, compactness, and solid-state stability. For mid-infrared and terahertz radiation, quantum cascade lasers (QCLs) ...
Optics & Photonics
Jun 20, 2023
0
3
Organic light-emitting diodes are used in smart phones, tablets, and large TV screens. As they do not need any additional background illumination, they are energy-efficient. The can be produced at low costs by thin-film technology ...
Analytical Chemistry
Jun 19, 2023
0
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