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San Diego County News

Independent publication serving San Diego County

NASA’s Perseverance drives on Mars’ terrain for the first time

March 8, 2021 By sdcnews

NASA’s Mars 2020 Perseverance rover performed its first drive on Mars March 4, covering 21.3 feet across the Martian landscape. The drive served as a mobility test that marks just one of many milestones as team members check out and calibrate every system, subsystem, and instrument on Perseverance. Once the rover begins pursuing its science goals, […]

Filed Under: Science & Technology, Space Tagged With: Science & Technology, Space

Argonne scientists track community spread of COVID-19 in wastewater

February 27, 2021 By sdcnews

(Newswise)–Wastewater provides a clue to virus transmission. In the ongoing COVID-19 pandemic, finding ways to improve testing has been key to addressing the spread of disease. While much effort has focused on testing individual people, scientists have begun to explore large-scale sampling of wastewater to understand patterns of viral transmission over larger areas. Researchers from the U.S. […]

Filed Under: Science, Science & Technology Tagged With: Science, Science & Technology

NASA’s Mars Perseverance rover provides first audio recording of red planet

February 23, 2021 By sdcnews

A new video from NASA’s Mars 2020 Perseverance rover chronicles major milestones during the final minutes of its entry, descent, and landing on the Red Planet on Feb. 18 as the spacecraft plummeted, parachuted, and rocketed toward the surface of Mars. A microphone on the rover also has provided the first audio recording of sounds […]

Filed Under: Science & Technology, Space Tagged With: Science & Technology, Space

Why food sticks to nonstick frying pans

February 2, 2021 By sdcnews

(Newswise)–Despite the use of nonstick frying pans, foods will sometimes get stuck to a heated surface, even if oil is used. The results can be very messy and unappetizing. Scientists at the Czech Academy of Sciences began an investigation of the fluid properties of oil on a flat surface, such as a frying pan. Their […]

Filed Under: Science & Technology Tagged With: Science & Technology, Technology

Supercomputers used to develop longer-lasting, faster-charging batteries

February 2, 2021 By sdcnews

(Newswise)–In an effort to curb the rise in overall carbon vehicle emissions, the state of California recently announced a plan to ban new sales of gasoline-powered vehicles in less than 15 years – if the current governor’s order holds strong. According to IT Support Belleville IL, thanks to supercomputers funded by the National Science Foundation such as Comet at […]

Filed Under: Science & Technology Tagged With: Science & Technology, Technology

Researchers use supercomputers to better understand the sun’s corona

January 18, 2021 By sdcnews

(Newswise)–As worldwide mandates prevented gatherings over the holiday season, crowds in Chile and Argentina donned masks and eye shields to take in some outdoor magic: a two-minute solar eclipse on December 14. When the moon covered the sun the tenuous outer atmosphere of the sun, known as the solar corona, became visible but only to […]

Filed Under: Science & Technology, Space Tagged With: Science & Technology, Space

NASA conducts test of SLS rocket core stage for Artemis I Moon mission

January 17, 2021 By sdcnews

NASA conducted a hot fire Saturday of the core stage for the agency’s Space Launch System (SLS) rocket that will launch the Artemis I mission to the Moon. The hot fire is the final test of the Green Run series. The test plan called for the rocket’s four RS-25 engines to fire for a little more than eight minutes […]

Filed Under: Science & Technology, Space Tagged With: Science & Technology, Space

NASA approves heliophysics missions to explore the sun, Earth’s aurora

January 4, 2021 By sdcnews

NASA has approved two heliophysics missions to explore the Sun and the system that drives space weather near Earth. Together, NASA’s contribution to the Extreme Ultraviolet High-Throughput Spectroscopic Telescope Epsilon Mission, or EUVST, and the Electrojet Zeeman Imaging Explorer, or EZIE, will help us understand the Sun and Earth as an interconnected system. Understanding the […]

Filed Under: Science & Technology, Space Tagged With: Science & Technology

I See You: Honey bees use contagious and honest visual signal to deter attacking hornets

December 22, 2020 By sdcnews

(Newswise)–An Asian hornet sets its sights on a busy honey beehive. If all goes according to plan, the hornet’s attack will result in a haul of bee larvae, precious nourishment to pilfer and feed to its own hornet young. But over time, predator-prey evolution has equipped some honey bees with a potent defense mechanism against […]

Filed Under: Science, Science & Technology Tagged With: Science & Technology

NASA moves forward with a campaign to return Mars samples to Earth

December 18, 2020 By sdcnews

NASA and European Space Agency (ESA) are moving to the next phase in a campaign to deepen understanding of whether life ever existed on Mars and, in turn, better understand the origins of life on Earth. NASA has approved the Mars Sample Return (MSR) multi-mission effort to advance to Phase A, preparing to bring the […]

Filed Under: Science & Technology, Space Tagged With: Science & Technology, Space

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