Weed killer
Dude, where鈥檚 my roadside drugs test? A new technique for detecting cannabis in saliva uses nanoparticles that lock on to the active ingredient, THC. If none is present, the particles create an electromagnetic distortion that is picked up by a sensor connected to a smartphone. Police could use the test to check up on erratic drivers.
鈥淥vernight we hit 10 million species discovered in No Man鈥檚 Sky鈥� that鈥檚 more than has been discovered on Earth鈥�
Hello Games founder Sean Murray marvels at the speed with which players wandering his game鈥檚 vast procedurally generated universe catalogued its alien life. An estimated 8.5 million species have been recorded on Earth
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Smart skin
You鈥檝e always wanted to play video games by jabbing at your arm. Haven鈥檛 you? A touchpad that lets you control apps on a separate screen could be fitted as a second skin or built into clothing. The wearable interface was designed by a team at Seoul National University in South Korea to cope with the jostling of everyday life.