Aquadom, the world’s largest cylindrical aquarium, is in the lobby of the Radisson SAS Hotel in Berlin. It’s 25 meters tall and holds about 900,000 gallons of water! There is an elevator at the center of...
https://www.neatorama.com/2007/01/11/aquadom/
The explanation that came with this on YouTube says:
Get enchanted by a aluminium foil ship floating above ground on hexafluorid (gas significantly denser than air) at the Physikshow of the University of Bonn!
I look...
https://www.neatorama.com/2007/01/11/hexafluorid/
Constantly forgetting your keys when you go out the door? You need this hanging reminder and organizer for the doorknob: http://www.containerstore.com/browse/Product.jhtml?PRODID=10015871&CATID=64182 - via Lifehacker...
https://www.neatorama.com/2007/01/11/doorganizer/