"Imagine stepping into a virtual world, walking through an orchard. You want to pick an apple, and when you grab it, you can feel it in your hand, as if it were real. Transforming the world of virtual reality into a truly tactile experience is the aim of the research project carried out by the IRISA laboratory in the northwestern French town of Rennes. Claudio Pacchierotti and his colleagues are specialists in haptic technology, the science that studies touch. Their research is based on two approaches: using haptic devices to trick our sense of touch, and trying to recreate these sensations through contactless haptic feedback, by using ultrasound.
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Scientists have developed an easy and cheap solution to Covid-19 testing. The saliva-based test EasyCov can be done anywhere, and provides accurate results in under an hour.
At an altitude of 5,300 metres, the city of la Rinconada, Peru, is the highest permanent human settlement in the world. While many residents suffer from hypoxia, oxygen deprivation, others are...