Some dolphins help humans catch fish, but an uptick in the levels of noise pollution from nearby ships is changing the way the dolphins communicate with one another Source: https://www.newscientist.com/article/2269425-dolphins-that-help-humans-catch-fish-are-being-disturbed-by-ship-noise/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
Tag: ships
This is what happens to spacecraft when they re-enter the Earth’s atmosphere
When one of the Russian Progress resupply ships undocks from the International Space Station, timing is everything. The Progress needs to fire its engines at just the right time to instigate the deorbit burn in order for the ship to enter the atmosphere at just the right place so that its destructive re-entry occurs over the Pacific Ocean. That way, any…
Anniversary of mysterious parade of meteors
On February 9, 1913, lucky observers witnessed the Great Meteor Procession, when bright meteors soared horizontally across the sky in a stately marching rank for minutes at a time. Source: https://earthsky.org/space/this-date-in-science-great-meteor-procession-of-february-9-1913…
Stressful animation shows blue whale dodging hundreds of ships while trying to feed
Scientists recently animated the hazards of being a blue whale that’s trying to avoid collisions with ships at sea. Source: https://www.livescience.com/whale-stress-animation.html
Plex Media Servers Are Being Abused For DDoS Attacks
DDoS-for-hire services have found a way to abuse Plex Media servers to bounce junk traffic and amplify distributed denial of service (DDoS) attacks, security firm Netscout said in an alert this week. From a report: The company’s alert warns owners of devices that ship with Plex Media Server, a web application for Windows, Mac, and Linux that’s usually used for video…
The long decline of Arctic sea ice
Forty years of satellite data show that 2020 was just the latest in a decades-long decline of Arctic sea ice. Source: https://earthsky.org/earth/decline-of-arctic-sea-ice-1979-2019…
Quantum Computer Makers Like Their Odds For Big Progress
For years, quantum computing has been the preserve of academics. New advances, however, are pushing this potentially revolutionary technology toward practical applications. From a report: At the Q2B conference this month, quantum computer makers Google, IBM, Honeywell, IonQ and Xanadu detailed specific steps they expect by 2024 that will push their machines further down the road of commercial practicality. Those achievements…
How the Nature Conservancy, the World’s Biggest Environmental Group, Became a Dealer of Meaningless Carbon Offsets
An anonymous reader shares a report: At first glance, big corporations appear to be protecting great swaths of U.S. forests in the fight against climate change. JPMorgan Chase & Co. has paid almost $1 million to preserve forestland in eastern Pennsylvania. Forty miles away, Walt Disney has spent hundreds of thousands to keep the city of Bethlehem, Pa., from aggressively harvesting…
ESAIL’s first map of global shipping
The ESAIL microsatellite for tracking ships at sea has captured 57 000 messages in its first 24 hours of operation, using advanced on-board processing algorithms. Source: https://phys.org/news/2020-12-esail-global-shipping.html…
The ESA Starts a New Commercial Sector in Space: Removing Space Debris
Long-time Slashdot reader SonicSpike brings some big news from outer space. European Space Agency announced this week that they’re signing “a €86 million ($102 million USD) contract with an industrial team led by the Swiss start-up ClearSpace SA to purchase a unique service: the first removal of an item of space debris from orbit” in the year 2025. “With this contract…