The digital currency Bitcoin rocketed above $US7000 ($A9800) for the first time ever, after a more than a seven fold increase in its value since the start of the year. Bitcoin has seen eye-watering gains in recent months and has more than doubled in value in the past seven weeks alone. This week Podd Socks takes a hard look at Bitcoin and tries to deduce what it's all about.

Meanwhile, Thor: Ragnarok... and Furrowing?