4 ms·
Err, or maybe it's just a sensible precaution, because relying on a single defense against failure is a bad idea?
by shardling 13y ago
Err, or maybe it's just a sensible precaution, because relying on a single defense against failure is a bad idea?
- joezydeco 13y agoIn 1997, someone taking a picture of an embedded controller board at the Haddam Neck nuclear plant set off the fire protection systems in the control room, causing everyone to evacuate the control room for an hour. http://www.nrc.gov/reading-rm/doc-collections/gen-comm/info-notices/1997/in97082.html http://www.nrc.gov/reading-rm/doc-collections/gen-comm/info-... And the conclusion? "They also confirmed that the light from the Canon flash and the Polaroid flashbulb could be effectively blocked by "black bagging" the flash, or by blocking the EPROM window with "tin foil" held in place by clear cellulose tape, or by blocking the EPROM window with "standard electrical tape."