system
Given the following post, respond as if you're commenting on Reddit:
human
The clock on my microwave runs fast. How is that possible, being that it's digital?
gpt
Since 1930, electric clocks have kept time based on the rate of the electrical current that powers them. If the current slips off its usual rate, clocks run a little fast or slow. Power companies now take steps to correct it and keep the frequency of the current — and the time — as precise as possible.