News for hackers. Stuff that matters.

lifelongUU

Open loop means that they’re just using a mathematical prediction of where to point the mirror at a specific time, given the relative position between the heliostat, the target and the sun. adjustments to the mirrors are typically done every 10 to 15 seconds, which is sub optimal. Closed loop means that they’re actually using Computer vision to dynamically sense the specific angles between the sun and the target and then adjust the mirrors accordingly, no mathematical model required, and the adjustments can be done tens of times per second.
Re:How did we discard the idea of college faculty? on Wednesday March 27, 2019 @11:12PM (#19508865)
the same way we decided it was ok for all the other teachers.... Koch brothers said so.
Re:Doom as a tool for system administration (1999) on Sunday January 11, 2015 @10:37AM (#8870197)
I was actually a grad student at unm with Dennis Chao. Guy was bright, creative and knew how to tell a good joke. Interesting to see this still on the inter-tubes.
Re:Poll: How religious is hacker news? on Friday July 25, 2014 @10:14PM (#8088684)
Unitarian
Re:Ask HN: What minor/major would compliment a CS degree? on Saturday April 13, 2013 @09:09AM (#5543265)
I work for a big national lab. Bs/ms in cs. Take a hard science major as well (make the cs a minor or double major). The best programmers/CS people I know are cross-disciplinary and are able to adapt CS approaches to hard problems in other fields.
Re:Open-Source Speech Recognition: Simon 0.4.0 Released on Sunday December 30, 2012 @09:45PM (#4988111)
Looks like it depends on KDE4, but they distributed the binaries under windows? Anyone know if they plan a DEB or RPM release?