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As the Perseverance rover traversed an ancient river valley in Mars’ Jezero Crater back in July 2024, it drilled into the surface and extracted a sample from a unique, striped rock called Cheyava Falls. The rover’s instruments then analyzed the sample, which is called Sapphire Canyon, and surveyed the surrounding rock. Go to Source […] A new study has successfully demonstrated the confinement of terahertz (THz) light to nanoscale dimensions using a new type of layered material. This could lead to improvements in optoelectronic devices such as infrared emitters used in remote controls and night vision and terahertz optics desired for physical security and environmental sensing. Go to Source […] The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case in point: Since the 1980s, the amount of solar activity had been steadily decreasing all the way up to 2008, when […] This is what fun looks like for a particular set of theoretical chemists driven to solve extremely difficult problems: Deciding whether the electromagnetic fields in molecular polaritons should be treated classically or quantum mechanically. Go to Source Neutrinos are one of the most enigmatic particles in the standard model. The main reason is that they’re so hard to detect. Despite the fact that 400 trillion of them created in the sun are passing through a person’s body every second, they rarely interact with normal matter, making understanding anything about them difficult. To […] When the Square Kilometer Array (SKA) Observatory goes online later this decade, it will create one of science’s biggest data challenges. The SKA Observatory is a global radio telescope project built in the Southern Hemisphere. There, views of our Milky Way are clearest and the SKA’s remote sites limit human-made radio interference. Go to Source […] Cornell Engineering researchers have demonstrated that, by zapping a synthetic thin film with ultrafast pulses of low-frequency infrared light, they can cause its lattice to atomically expand and contract billions of times per second—strain-driven “breathing” that could potentially be harnessed to quickly switch a material’s electronic, magnetic or optical properties on and off. Go to […] Authorities in Utah are preparing to file capital murder charges against Tyler Robinson, whose DNA matches samples found on a towel and screwdriver recovered near the scene Go to Source McCaysville Police Capt. Brantley Worley was shot and severely wounded while responding to a suspicious person call Go to Source Representatives for the U.S. Department of Homeland Security defend the face coverings, arguing that identifying officers subjects to them to retaliation and violence Go to Source Investigation found Broward Sheriff’s Office deputies waited at rally point while woman and child were murdered half a mile away Go to Source As real Bremerton officers handcuffed him, the man asked the officers to check his lunch bag for credentials; they found only an empty badge holder and Coca-Colas inside Go to Source Lasers aren’t just useful for entertaining cats or pointing out features of PowerPoint slides. They can also drill holes on icy extraterrestrial bodies from comets to Mars polar caps—at least, according to a new paper published in Acta Astronautica by researchers at the Technical University of Dresden, who describe a new laser drill for use […] President Donald Trump and his new interim head of NASA, Sean Duffy, are pushing for a renewed effort to shuffle off the responsibility of running the International Space Station in favor of becoming a customer of a commercial space station provider instead. Go to Source An international collaboration has developed a new diagnostic technique for measuring ultra-short particle beams at STFC’s Central Laser Facility. This collaboration is led by the University of Michigan and Queen’s University Belfast. The research addresses a key challenge in developing compact alternatives to kilometer-long particle accelerators. Go to Source |
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