World famous track cyclist Robert Förstemann battles a 700w toaster. Can he, with his 74cm legs, generate enough energy to create a golden-brown toast?
The challenge was set up to show how much energy humans consume compared to what we can generate.
The finishing examples estimate how many Roberts that would be needed to power either a petrol car consuming 6,5l/100km for one hour, or a one-hour Boeing 737-800 flight.
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