As the Moon casts its shadow across the Earth during the upcoming solar eclipse, cameras of all kinds will turn skyward. While professional photographers with specialized equipment will aim to capture the perfect shot, others will reach for their smartphones
Undersea cables are the unseen backbone of the global internet
Have you ever wondered how an email sent from New York arrives in Sydney in mere seconds, or how you can video chat with someone on the other side of the globe with barely a hint of delay? Behind these everyday miracles lies an unseen, sprawling web
Read more https://theconversation.com/undersea-cables-are-the-unseen-backbone-of-the-global-internet-226300
DNA says you’re related to a Viking, a medieval German Jew or a 1700s enslaved African? What a genetic match really means
In 2022, we reported the DNA sequences of 33 medieval people[1] buried in a Jewish cemetery in Germany. Not long after we made the data publicly available[2], people started comparing their own DNA with that of the 14th-century German Jews, finding many
What is Volt Typhoon? A cybersecurity expert explains the Chinese hackers targeting US critical infrastructure
Volt Typhoon[1] is a Chinese state-sponsored hacker group. The United States government and its primary global intelligence partners, known as the Five Eyes[2], issued a warning[3] on March 19, 2024, about the group’s activity targeting critical
Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet
Stars like the Sun are remarkably constant[1]. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun shining steadily for about 5 billion more years[2],
NASA’s mission to an ice-covered moon will contain a message between water worlds
NASA’s Europa Clipper[1] spacecraft, headed to Jupiter’s ice-covered moon[2] Europa in October 2024, will carry a laser-etched message[3] that celebrates humanity’s connection to water. The message pays homage to past NASA missions that carried similar
Bridges can be protected from ship collisions – an expert on structures in disasters explains how
The MV Dali, a 984-foot, 100,000-ton cargo ship, rammed into the Francis Scott Key Bridge[1] when leaving Baltimore harbor on March 26, 2024, causing a portion of the bridge to collapse.
In an interview, University of Michigan civil engineer Sherif El-Tawil