Month: January 2018

Bitcoin has a massive energy problem

Eureka Street
Eureka Street

The digital currency Bitcoin consumes more electricity per year than New Zealand. Yes, the entire country. That’s the current estimate from the site Digiconomist, which puts the Bitcoin network’s annual power-guzzling at a staggering 42 terrawatt hours (TWh).

Here’s another way of looking at it. Each Bitcoin transaction consumes 346 kilowatt hours of electricity, which, in my suburb of north-east Melbourne, is enough to power 25 typical four-person households for a whole day.

The best thing on two wheels (a quirky history of cycling in Australia)

The Big Issue

PAUSE THE RACE – it’s time for a detour. There’s so much more to cycling than men with plucked drumstick calves pedalling up French hillsides, their backsides bobbing for the cameras. The bicycle is a technological marvel that completely transformed human societies in the past, and is now an essential tool for a cleaner and healthier future. Let’s take a look.

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