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- Nano rainbows: Expanding the light spectrum at the smallest scale
Since the invention of the laser in 1960, nonlinear optics has aimed to broaden light's spectral range and create new frequency components. Among the various techniques, supercontinuum (SC) generation stands out for its ability to produce light across a wide portion of the visible and infrared spectrum.
- Cosmic shock waves: Unraveling the mystery of electron acceleration
Scientists have come a step closer to understanding how collisionless shock waves—found throughout the universe—are able to accelerate particles to extreme speeds.
- The Quadrantids: a strong meteor shower to start the year
The Quadrantid meteor shower kicks off the meteor-watching calendar, peaking this year on 3 January. Renowned for its reliability, it consistently ranks among the best annual meteor displays.
- Catch Mercury’s end of year pre-dawn show
Mercury ends the year on a high as a pre-dawn object during primarily the second half of December.
- Lasers reveal hidden tattoos on 1,200-year-old Peruvian mummies
In a breakthrough study published in the Proceedings of the National Academy of Sciences on January 13, researchers have revealed elaborate tattoos on the mummified bodies of people from Peru’s Chancay culture, which flourished from 900 to 1470 CE. Using a new technique called laser-stimulated fluorescence—or LSF for short—the research team has brought fine details The post Lasers reveal hidden tattoos on 1,200-year-old Peruvian mummies appeared first on Archaeology News Online Magazine.
- Ethiopia’s early hominins show remarkable technological decision-making
A recent study published in PLOS ONE reveals that early humans living in the Ethiopian Highlands between 1.6 and 1 million years ago displayed remarkable cognitive and technological capabilities. By strategically selecting specific types of stone for toolmaking, these early hominins showcased an advanced understanding of their natural environment and its resources. The research, conducted The post Ethiopia’s early hominins show remarkable technological decision-making appeared first on Archaeology News Online Magazine.
- Rocket Lab advances US defense with major milestone in spacecraft constellation development
Los Angeles CA (SPX) Jan 10, 2025 Rocket Lab National Security LLC ("Rocket Lab" or "the Company"), a global leader in launch services and space systems, has successfully completed the Preliminary Design Review (PDR) for the Space Development Agency's (SDA) Tranche 2 Transport Layer-Beta (T2TL-Beta) program. This key achievement propels Rocket Lab closer to delivering 18 advanced data transport satellites as part of the U.S. Dep
- Stratolaunch Awarded 247M by Missile Defense Agency for Hypersonic Flight Testing
Los Angeles CA (SPX) Jan 10, 2025 Stratolaunch has secured a $24.7 million competitive agreement with the Missile Defense Agency (MDA) to support critical national defense initiatives through an ambitious hypersonic flight test campaign. The project involves enhancements to Stratolaunch's Spirit of Mojave 747 launch platform, allowing its reusable Talon-A vehicle to conduct test flights from various global locations. This
- What happened to the flags Apollo astronauts left on the moon?
Astronauts placed six different American flags on the moon during the Apollo program. What became of those flags in the years since, and why were they controversial?
- Scientists turn 3 years' worth of solar flares into audible sound (video)
The European Space Agency has released an audio-visual representation of solar activity over the last three years, using data from the Solar Orbiter probe.
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