Singapore Inventors' Development Association (SIDA) 新加坡发明协会
Ergotron workfit: adjustable table
SIDA Meeting on 10 May 2014 (Sat), 2pm
Apr 06
http://nyti.ms/1eOsIg0
http://www.nytimes.com/2014/03/04/science/the-chain-fountain-explained.html?_r=0