August 8, 2006

Announcing Fedora Core 6 Test 2 (5.91)

In 1888, Theophilus Van Kannel patents his invention, the revolving door.
This invention solves an engineering problem of air transfer by ensuring that
there is no opening to the outside and the inside of a building at the same
time, which could create massive drafts due to air temperature differences.
This invention is still used today.

Link: redhat.com

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