[Texascavers] For David

2016-06-27 Thread via Texascavers
Here is one for you to critique Viaje a las Grutas de Juxtlahuaca https://www.youtube.com/watch?v=nMl0GPAwXtU#t=49.795125 DirtDoc ___ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive

[Texascavers] [For David][Researchers develop higher-efficiency LEDs]

2009-01-14 Thread Don Arburn
http://www.engadget.com/2009/01/14/researchers-develop-higher-efficiency-leds/ Researchers develop higher-efficiency LEDs