Platinum is likely approaching the so-called marginal cost of production, which can trigger output cuts in any commodity, said David Wilson, director of metals research at Societe Generale.

FORBES: Analysts: Too Soon For Platinum Tumble To Hurt Output, But 'Something...To Keep An Eye On'

It can then interact with other strands, chopping them to trigger other gates or activate fluorescent tags that display the circuit's final output.

ECONOMIST: DNA computing