Daily post 05/29/2012

• QR Code Scanner App Warns of Suspicious Links

  Useful tool for avoiding possible malicious QR codes

  tags: usqict dlrn dxd qr_code

• The Scale of the Universe 2

  Fascinating and a real eye opener, even if at some level one is already aware of the scale of things. A good fit for a science class.

  tags: usqict dlrn tt4f web2.0 science education

Posted from Diigo. The rest of my favorite links are here.