How Hard Is It To Shoot Down A Small Drone?Before the Predator attached the name "drone" to an anti-terror war machine, many militaries flew unmanned planes as targets, so that pilots and anti-aircraft gunners could practice shooting ... More >
This Homemade Crossbow Will Kill a CarEnglish philosopher Thomas Hobbes believed that men living in anarchy would lead “solitary, poor, nasty, brutish, and short” lives. So as much as I’d enjoy rebuilding civilization... More >
Japan Company To Give Maglev Tech To US For FreeThe magnetic-levitation technology works by creating magnetic fields with onboard superconducting magnets, which interact with ground coils in the rail, allowing the whole train to "float" ... More >
Helicopter-Truck Hybrid Makes First FlightYesterday Advanced Tactics announced the successful first flight of their Black Knight Transformer, a hybrid truck helicopter designed for military missions. In December, the truck ... More >
US Navy Wants More Railgun ActionIn 2016, the U.S. Navy is going to test a railgun—a weapon that can repeatedly launch a projectile at more than 5,000 MPH—from a boat. In 2018, they're going to do it again. And in the ... More >
Jet lag occurs when your body's circadian rhythms fall out of sync with your surroundings, such as when you quickly move to an area that is 12 hours behind where you were previously. One thing that certain helps to adjust is exposure to sunlight--cells in your retina use this information to tell the brain that it is daylight, and that the body should be awake. But how much sunlight does the body need to adjust? And at what times?
Think of it as a study of the natural behaviours of the troll. A team of information science researchers recently analysed the comments people make on recorded TED talks. Actually, the researchers found that the majority of comments related to the content of the talks (progress!). But they also found that about six percent of YouTube comments on TED talks are insults and that female TED presenters are more likely to have commenters assess their appearance and style than male presenters (not progress).
The judgement is likely to influence a crucial government review which is deciding whether the 30 per cent tax rebate for private health insurance coverage ofcomplementary therapies should continue. Australians spend almost $4 billion a year on complementary therapies like vitamins and herbs and almost $10 million on homeopathic remedies.
For nearly half a century, social scientists have operated under the assumption that all basic human emotions are universally recognizable. Countless cross-cultural experiments—not to mention a few television shows (eg Lie to Me)—have both directly and implicitly referenced the notion that every person on earth expresses facial emotion in the same way. Regardless of cultural context, we can all interpret happiness, sadness, anger, fear, and disgust in the expressions of the people around us... right?
This latest design for growing vegetables in space is a bit prettier than its predecessors. This is a collapsible growth chamber made by Orbital Technologies Corporation in Wisconsin. The lettuces inside live in individual "plant pillows." NASA plans to send the chamber and the plant pillows to the International Space Station on April 14, aboard a SpaceX launch.