Google Uncloaks Their Servers and Data Centre

Not sure whether you know that Google does not buy servers from vendors, instead they build their own. Do you know that their data centres do not come with UPS power because each server has its own 12-volt battery to supply power if there's a problem with the main source of electricity.

Read this article for more details.

This video features Google container data center tour

Shouldn't those who work in data centre given hearing protector. See the video at 4:19.