[ad_1] The bracelet design isn’t for the sake of fashion. It not only ensures omnidirectional jamming, it eliminates blind spots (where transducers cancel each other out) through your wrist movement. As a result, it’s more effective than dedicated stationary jammers and can even scramble hidden mics. You’re not about to use the prototype bracelet. It’s […]
Category: Science
AI can automatically rewrite outdated text in Wikipedia articles
[ad_1] The machine learning-based system is trained to recognize the differences between a Wikipedia article sentence and a claim sentence with updated facts. If it sees any contradictions between the two sentences, it uses a “neutrality masker” to pinpoint both the contradictory words that need deleting and the ones it absolutely has to keep. After […]
Rain may soon be an effective source of renewable energy
[ad_1] The new design mates an aluminum electrode with an indium tin oxide electrode layered with PTFE, a material with a “quasi-permanent” electric charge. When a drop hits the PTFE/tin surface, it bridges the two electrodes and creates a closed-loop circuit. That helps fully release any stored charges. The technology could handle sustained rainfall, too. […]
‘Resurrected’ mammoth DNA helps explain why the species went extinct
[ad_1] As it turns out, at least one of the island’s mammoths had a string of genetic defects. There were issues with male fertility, neurological development, insulin signalling and even the ability to smell flowers. This suggests the mammoths might have been hurt by their small population size (300 to 500) and isolation from the […]
Researchers can ‘steal’ data by tracking a PC monitor’s brightness
[ad_1] Don’t worry about someone reading your login details through the window any time soon, though. As the methods imply, a data thief would still have to breach the victim computer and have cameras they control within line of sight. This could be helpful for intelligence agencies performing Stuxnet-style intrusions, but an attacker can’t just […]
Drone network provides early warnings for natural disasters
[ad_1] These drone sentries should be relatively inexpensive, costing less than some professional drones. It’s more resilient than some warning systems, too. Where river monitoring stations frequently collapse in floods and other natural catastrophes, the drones can fly above the chaos as long as they have a charge. Unlike many research projects, there’s already a […]
MIT’s ‘smart surface’ could improve your WiFi signal tenfold
[ad_1] The array would be relatively inexpensive at just a few cents per antenna, and it would consume little power compared to a conventional system. You wouldn’t need amplifiers or other hardware that typically drains batteries, after all. Tere’s no mention of how soon you could expect RFocus in use. The team would not only […]
Bird-inspired wings could help small drones fly four times longer
[ad_1] Where the leading edges of aircraft wings are typically smooth and focused on keeping airflow glued to the wing as much as possible, the scientists’ design has s a sharp leading edge (much like that of small birds and insects) with a completely flat wing, separating the airflow. That lessens the peak aerodynamic efficiency, […]
IBM uses AI to predict progress of Huntington’s disease symptoms
[ad_1] The existing understanding of the disease only indicates that symptoms tend to materialize between the ages of 30 and 50, not which symptoms and how they’ll evolve. The researchers are “optimistic” that a single MRI scan could produce more accurate estimates of functional decline across multiple categories. It wouldn’t result in better treatment by […]
Google helps publish the largest high-res map of brain connectivity
[ad_1] Anyone can see and download the data, and there are papers both available and on the way detailing the work. The brain map won’t accomplish much by itself. However, it could prove to be a treasure trove of data for scientists looking to understand fruit flies in particular or brain functionality at large. With […]