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dr tech

blind inventor creates 'smart cane' that uses google maps to navigate blind people - 0 views

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    "the weWALK cane consists of an electronic handle with a regular 'analog' white cane that is inserted into the bottom. it uses an ultrasonic sensor to detect any obstacles above chest level and warns the user via a vibrating handle."
dr tech

Special report: The simulations driving the world's response to COVID-19 - 0 views

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    "But, as he and other modellers warn, much information about how SARS-CoV-2 spreads is still unknown and must be estimated or assumed - and that limits the precision of forecasts. An earlier version of the Imperial model, for instance, estimated that SARS-CoV-2 would be about as severe as influenza in necessitating the hospitalization of those infected. That turned out to be incorrect."
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