Incredible LEGO printer invented by 14-year-old boy!

http://inhabitat.com/incredible-lego-printer-invented-by-14-year-old-boy/

/ plotter Mindstorms draw /

Is that a pen sticking out of your microwave?

http://the-gadgeteer.com/2012/02/18/aracataca-magic-pointy-how-do-they-do-it/

/ Aracataca pointy pencil crayon /

Get creative by rebooting your morning routine

http://www.lifehacker.com.au/2012/02/get-creative-by-rebooting-your-morning-routine/#more-415288

/ meeting commute /

Found USB flash drives pose a major risk of malware

http://www.lifehacker.com.au/2011/12/usb-keys-lost-on-trains-are-a-major-source-of-malware/

Erasable gel ink pen (video)

After erasure, the ink can be made to re-appear by exposure to very low temperatures (approximately -14°F, -25°C).  Invisible ink?

Inexpensive too.

http://the-gadgeteer.com/2011/10/21/pilot-frixion-ball-eraseable-gel-ink-pen-review/#more-78459