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Rescooped by Lynnette Van Dyke from Didactics and Technology in Education onto Technology Advances |
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By Timo Ilomäki
"In Voionmaa high school we use Dropbox in many ways. Teachers have their own account for sharing files, some teachers also share files with each other. Every teacher has also iPad and Dropbox is a useful tool for iPad users. That is why also many of our students have accounts to share all videos and images from iPad image file."
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What if every light bulb in the world could also transmit data? At TEDGlobal, Harald Haas demonstrates, for the first time, a device that could do exactly that. By flickering the light from a single LED, a change too quick for the human eye to detect, he can transmit far more data than a cellular tower -- and do it in a way that's more efficient, secure and widespread.
To read the transcript go to TED page ✎ http://www.ted.com/talks/harald_haas_wireless_data_from_every_light_bulb.html Via Sigalon, Paulo Tomás Neves Delete the scoop?
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