gizzardguts
Re:Open Source projects ranked by awesomeness
on Tuesday April 10, 2012 @01:13PM (#3823250)
I thought the same thing -- six of ten are ruby projects.
Re:Chuck Moore on push-down stacks
on Thursday April 05, 2012 @08:18PM (#3805356)
Moore said:
"GreenArrays' computers have a unique mechanism for implementing stacks with hardware: a stack is a set of registers with a pointer to the one currently on top. The pointer is moved up or down as required. The data is not moved, merely a pointer to the register in which the data is stored. This saves energy. "
Unique? I've been doing ASIC design for more than 20 years and that is how it has always been done.
Re:Self-sustaining solar reactor creates clean hydrogen fuel
on Wednesday April 04, 2012 @03:04PM (#3799255)
The part that is missing is the energy costs of reprocessing the zinc. I didn't pay attention in chemistry 30 years ago, but I assume the zinc is reacting with the water and isn't just a catalyst. Hmm, a little googling shows:
Zn + 2 H2O → Zn(OH)2 + H2