Laptops in the Tube
Here’s an interesting trend: I am seeing more and more laptop usage in the Tube these days. To the New-Yorker in me, it would be unthinkable to get out my laptop and start typing away on any kind of public transport — the rest of the passengers in the car would start fighting over who got to keep your hard drive. But hey — this is London and people are little more polite I guess. Anyway it got me thinking about how to bring WIFI connectivity underground. I figure you could do it with a kind of wireless mesh network set up in the tunnels. The Tube drivers know when to stop and go because of signal lights that are placed set distances from each other along the track. You could put a network node on each signal light and voilá — ubiquitous connectivity underground. I wonder if this could be done with “off-the-shelf” equipment?
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