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01 Aug 08

Why Don’t Hotels Use Roombas?

'3. Social status: Hotel guests don’t want clean carpets, but rather they want people whose job is to clean up after them.'

freakonomics.blogs.nytimes.com/...why-dont-hotels-use-roombas - Preview

technology economics

Large Hadron Collider nearly ready

Here is a collection of photographs from CERN, showing various stages of completion of the LHC and several of its larger experiments (some over seven stories tall), over the past several years.

www.boston.com/...the_large_hadron_collider.html - Preview

technology science physics pictures

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