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OT: First computers were mechanical (analytical engines) and progressed to electrical (vacuum tubes) but really took off with integrated circuits. So I vote for IC's
Boats were powered by oars and sails, but the advent of engines (coal, oil, nuclear) made a pretty big deal out of them. Think of nuclear subs underwater for 6mos. Thats pretty spiritual.
Airplanes----> jet engines. Some friends think a dinner in Asia is a daytrip to a customer. (except UAL cancelled that daily SFO- Kimpo flight). Could not do that with glider or props!
Textile mills - hydro power to steam conversion (Industrial revolution)
DC power transmission was revolutionized by long distance hivoltage AC electricity ( Steinmetz at GE)
Horseless carriage ( motor theme again), people had carriages
Tarmac- roads existed, tarmac made them better. Transportation in generally allows us to move food faster than it spoils so we can support the population.
Ice boxes to refrigerators
Bombs existed for a longtime, then we made them nuclear with rocket motors.
Lamps/lightbulbs existed then Edison made them practical.
Carrier pidgeon, courier, telegraph, telephone, internet
From the movie "The graduate"---> PLASTICS
Hope this helps, thanks for the diversion, but I am still euphorically paranoid!
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