Image: Tethered satellites for propulsion without fuel
How to propel a spacecraft without propellant? Use electrodynamic tethers. These are long, strong conductors connecting two spacecraft. When direct current is applied to the tether, the tether exerts a force on the spacecraft, causing it to either ac.....»»
Image: Bolivian salt lakes from orbit
This Copernicus Sentinel-2 image features salt flats and lakes in southwest Bolivia, near the crest of the Andes Mountains......»»
Hubble Space Telescope glimpses spiral galaxy UGC 9684
The celestial object showcased in this image from the NASA/ESA Hubble Space Telescope is the spiral galaxy UGC 9684, which lies around 240 million light-years from Earth in the constellation Boötes. This image shows an impressive example of several.....»»
Dark Energy Camera captures the gorgeous ‘God’s Hand’ globule
A stunning new image from the Dark Energy Camera shows an unusually shaped structure in the Gum Nebula called a cometary globule......»»
Analyst on Starlink’s rapid rise: “Nothing short of mind-blowing”
Starlink's estimated free cash flow this year is about $600 million. Enlarge / 60 Starlink satellites stacked for launch at SpaceX facility in Cape Canaveral, Florida in 2019. (credit: SpaceX) According to the research.....»»
NHTSA probes 200,000 Ford Super Duty trucks for risk of fire
NHTSA said it received 27 complaints alleging diesel fuel leaks due to a "fracture in the secondary fuel filter housing." The proximity of the secondary fuel filter to high heat sources could result in fire, NHTSA said......»»
The Volvo VNL, a heavy truck purpose-designed for North American roads
Blindspot cameras and radars, a more efficient engine, and lower-drag cab all help. Enlarge / America sends five times more freight by truck than rail, so it's important to start making those trucks more fuel efficient and safer......»»
U.S. agency raises safety concerns on Ford crossover fuel leak recall
The National Highway Traffic Safety Administration (NHTSA) said last month it was investigating the adequacy and safety consequences of Ford's proposed recall remedy for 2022-2023 model year Bronco Sport and 2022 Ford Escape SUVs with 1.5L engines......»»
For sustainable aviation fuel, researchers engineer a promising microorganism for precursor production
Sustainable aviation fuels made from renewable sources of carbon could reduce carbon dioxide emissions and help to mitigate climate change. Isoprenol is a chemical involved in the production of a jet biofuel blendstock called 1,4-dimethylcyclooctane.....»»
Robot dogs armed with AI-aimed rifles undergo US Marines Special Ops evaluation
Quadrupeds being reviewed have automatic targeting systems but require human oversight to fire. Enlarge / A still image of a robotic quadruped armed with a remote weapons system, captured from a video provided by Onyx Industries......»»
Getting dirty to clean up the chemical industry"s environmental impact
The global chemical industry is a major fossil fuel consumer and climate change contributor; however, new Curtin University research has identified how the sector could clean up its green credentials by getting dirty......»»
The simple reasons HDR looks terrible on your PC
It's a struggle to get a great HDR image out of your PC, but it doesn't have to be. Here are the simple reasons why......»»
Photon Studio is a new pro tool to streamline image presentation and management
Developer LateNiteSoft launched its pro photography app for iPhone in 2023 called Photon Camera and has been upgrading it regularly. Now a new companion app has arrived for professionals who want a seamless solution for image display and management......»»
Robot dogs armed with AI-targeting rifles undergo US Marines Special Ops evaluation
Quadrupeds being reviewed have automatic targeting systems but require human oversight to fire. Enlarge / A still image of a robotic quadruped armed with a remote weapons system, captured from a video provided by Onyx Industries......»»
White Sands propulsion team tests 3D-printed Orion engine component
When the Orion spacecraft carries the first Artemis crews to the moon and back, it will rely on the European Service Module contributed by ESA (European Space Agency) to make the journey. The service module provides electrical power generation, propu.....»»
Exploring the asteroid Apophis with small satellites
The author of a disaster novel couldn't have dreamed it up any better: On a Friday, the thirteenth of all days, the potentially dangerous asteroid (99942) Apophis will come extremely close to humanity......»»
SpaceX shares footage of gorgeous orbital sunrise
SpaceX has shared footage of a stunning orbital sunrise captured during the deployment of another batch of Starlink satellites......»»
How to get the best results from endoscopic sleeve gastroplasty?
The problem of obesity for many people is not only difficult because of body image problems. It is also sometimes dangerous to health and even life. For this reason, more and more people are deciding to undertake a difficult, but necessary to improve.....»»
From fossils to fuel: Energy potential of Mozambique"s Maniamba Basin
In the ever-expanding search for energy resources, a new study has emerged from Mozambique's Maniamba Basin. A team led by Nelson Nhamutole, a Ph.D. student at the University of the Witwatersrand, and his team of scientists from around the world, sha.....»»
Hubble views a galaxy with a voracious black hole
Bright, starry spiral arms surround an active galactic center in this new NASA Hubble Space Telescope image of the galaxy NGC 4951......»»
Apple"s new Photos app will utilize generative AI for image editing
A new teaser on Apple's website could be indicative of some of the company's upcoming software plans, namely a new version of its ubiquitous Photos app that will tap generative AI to deliver Photoshop-grade editing capabilities for the average consum.....»»