In reply to Stephen A. Lawrence's message of Sat, 28 May 2016 17:18:24 -0400: Hi, [snip] >It ought to be possible to build the things with a fail-safe mode >wherein loss of power results in the mirrors defocussing. Shouldn't be >hard; the /hard/ thing, presumably, is getting them all pointing at the >_same_ spot. Making them /not/ do that should be easy. >
Just turn them all upside down so they point at the ground. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
