← Back to context Comment by ohgr 2 days ago That’s stupid as fuck as they still use mercury wetted relays to this day in some places. 1 comment ohgr Reply potato3732842 2 days ago I get the whole screeching about hazmat aspect to it but a mercury bulb with embedded copper contacts will cycle reliably basically forever at earthly temperatures. They are very good at what they are.
potato3732842 2 days ago I get the whole screeching about hazmat aspect to it but a mercury bulb with embedded copper contacts will cycle reliably basically forever at earthly temperatures. They are very good at what they are.
I get the whole screeching about hazmat aspect to it but a mercury bulb with embedded copper contacts will cycle reliably basically forever at earthly temperatures. They are very good at what they are.