snydeq writes "Dr. Franklin Tessler discusses the hidden stress-related injuries of touchscreen use, and how best to use smartphones, tablets, and touch PCs to avoid them. 'Touchscreen-oriented health hazards are even more insidious because most people aren't even aware that they exist. The potential for injury from using touchscreens will only go up ... as the rise of the touchscreen means both new kinds of health hazards and more usage in risky scenarios,' Tessler writes, providing tips for properly positioning touchscreens and ways to avoid repetitive stress injuries and eyestrain."
If a 6600 used paper tape instead of core memory, it would use up tape
at about 30 miles/second.
-- Grishman, Assembly Language Programming