4 ms·I am gonna melt some pictures and USB sticks inside a marble. Must be doable without destroying it.by holoduke 6y agoI am gonna melt some pictures and USB sticks inside a marble. Must be doable without destroying it.notum 6y agoWe could 3D laser etch data inside glass, now that would be both pretty and durable!teddyh 6y agoUnpowered flash memory can only hold data for a maximum of 10 years or so, and can be as low as three months.