> Specifically, the Landauer’s principle states that all non-physically-reversible computation operations consume at least 10^21 J of energy at room temperature (and less as the temperature drops).
Wow! What an absurd claim!
I checked the Wikipedia page and I think you actually meant 10^-21 J :)
Depends on which aspects of energy production you're concerned with and over what time period. Global marketed energy production is about 18 terawatts, which is about 10²¹ J every year and 9 months. The energy globally produced by sunlight hitting the Earth, mostly as low-grade heat, is on the order of 100 petawatts, which is 10²¹ J every hour and a half or so. Global agriculture is in between these numbers.
Wow! What an absurd claim!
I checked the Wikipedia page and I think you actually meant 10^-21 J :)