The retroflector mounted onto the drone. Credit: Bumper DeJesus, Princeton University As evidence mounts that gas drilling and sewer systems leak far more greenhouse gases than previously believed, a team…
Category: News
The problem with cashless payments
Citizens living in the euro area make an average of 13 payments per week of all types. They circulate through a range of channels and by way of different media,…
Digital conglomerate buys right-wing app Parler
The digital media conglomerate Starboard said Friday it purchased the conservative social media site Parler and will temporarily take down the app as it undergoes a “strategic assessment.” The deal…
Australia needs a robust cybersecurity overhaul, not whack-a-mole bans on apps like TikTok
Credit: Unsplash/CC0 Public Domain Australia has joined other countries in announcing a ban on the use of TikTok on government devices, with some states and territories following suit. The rationale…
Environmental and economic benefits of overhead cable line technology to power trucks
Siemens Mobility built an overhead contact line for electric trucks on a 6.2-mile stretch of Germany’s autobahn. Credit: Siemens Electrical cables have been suspended over trams and trolley tracks for…
A scalable strategy to synthesize purer and highly performing single-crystal cathodes
Planetary centrifugal deagglomeration for single-crystalline cathode synthesis. Credit: Yoon et al. (Nature Energy, 2023). Energy engineers and material scientists are continuously trying to create safe battery technologies that exhibit higher…
Chemical signals from fungi tell bark beetles which trees to infest
Fungi may help some tree-killer beetles turn a tree’s natural defense system against itself. The Eurasian spruce bark beetle (Ips typographus) has massacred millions of conifers in forests across Europe.…
A rare rabbit plays an important ecological role by spreading seeds
A crucial link in the life cycle of one parasitic plant may be found in a surprising place — the bellies of the descendants of an ancient line of rabbits.…
Why dandelion seeds are so good at spreading widely
You don’t need a dandelion to know which way the wind blows. But it can help. On any given dandelion, some seeds are destined to go north, while others are…
The worldwide water-lifting power of plants is enormous
When it comes to hoisting water, plants are real power lifters. For a tall tree, slurping hundreds of liters of water each day up to its leaves or needles, where…
