> > No one is certain what lava lamps were used for. > Nitpick: I'm fairly certain lava lamps have been used as secure random number generators. > Edit: a qui

> > No one is certain what lava lamps were used for. > Nitpick: I'm fairly certain lava lamps have been used as secure random number generators. > Edit: a quick search on kagi confirms it. But that use case came about in the ~90s? The patent for lava lamps was filed somewhere around the 60s...