Experiment With the Electrical Grid Could Make Your Clocks Wrong
How many times have you said something like, "I'll see you around 5-ish"..Well, "ish" could become a real time!
Starting in mid-July, your electric clocks and coffeemakers could be running up to 20 minutes fast, and you probably won’t know why.
For the past 80 years, clocks plugged in to an electrical source have kept time based on the rate of the electrical current that powers