## The cost of time travel in Back to the Future

BACK TO 积 FUTURE THE 1985 was the golden age of time travel and things were much simpler back then - all you needed was a flux capacitor and a bit of plutonium and you were away. Sadly, plutonium doesn't seem so easy to come by these days - so how much would it cost if you had to power the flux capacitor and travel through time and you only had access to electricity? Let's find ou.. 1. According to The Doc - The Flux Capacitor requires 1.21 gigawatts of electrical power to operate. In the movie this is generated by a nuclear reaction from a rod of plutonium. 1.21 Gigawatts = 1,210,000 kilowatts. 2. The DeLorean needs to reach a speed of 88 mph before the flux capacitor can be fully activated and time travel can occur. The DMC-12 is noted as having a 0-60 time of 8.8 seconds (or 6.8181 mph per second). Therefore it would take approximately 13 seconds to reach 88 mph (88 / 6.8181 = 12.91 seconds). 13 seconds = 0.003611 hours. 3. Assuming that the flux capcitor is running for the duration of these 13 seconds, the flux capacitor would use 1,210,000 x 0.003611 = 4369.31 Kilowatt hours (kWh) of electricity. 4. The average UK electricity price currently is around 13 pence per kWh. So that is 13p x 4369.31 = 56,801 pence - or £568.01 THE CDST TD TRAVEL IN TIME £ 568

# The cost of time travel in Back to the Future

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