Detailed text transcripts for TV channel - MSNBC - 20150716:15:44:00
University. he calls it lifi. we can't see it but huge amounts of data are firing across this space? >> across this space. >> reporter: just by light? >> just by light. >> reporter: let's try this then. wow, there you go. that is fast. almost any light can be fitted with a lifi transmitter like here in this classroom in the uk where schoolchildren are trying the new technology. >> i think the light gives internet, it's quite amazing. >> reporter: and at this year's mobile world congress grown-ups got to try it, too. >> i never knew you could get wi-fi from a light. >> reporter: lifi says the
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