How high-temperature superconductors could change the power grid and medical devices 
I’m sure I wasn’t the only one who cranked up their air conditioning on full blast during the heat wave last week. My Florida upbringing failed to prepare me for the 103 degrees Fahrenheit weather. But luckily, the lights stayed on and the electricity kept flowing. 
With the help of sensors and electrical meters, the national grid did not fail despite the sudden demand. This is not always the case — back in 2003, a blackout event left 55 million people without power.
