One ton of circuit boards contains about 100 times more gold than a ton of ore mined from the ground. Now, scrappers like Wade Cawley in Sydney, Australia, are cashing in.

In the following video, from Business Insider, we see how he has partnered with Mint Innovation, a company that uses microbes to recover precious metals from electronics. In a single day, Mint can salvage up to $85,000 of gold in their new recycling facility.