> My favorite "invention" of that form is the water heater "booster" ball
This sounds super cool! what happens if people e.g. go on vacation for 3 months? would it explode the heater or melt through the ball..?
do you have any other links/info about it you can give me? I'm super curious about it. I googled moderately but I only found some seemingly unrelated things[1]
This sounds super cool! what happens if people e.g. go on vacation for 3 months? would it explode the heater or melt through the ball..?
do you have any other links/info about it you can give me? I'm super curious about it. I googled moderately but I only found some seemingly unrelated things[1]
[1] http://www.forbes.com/sites/jeffmcmahon/2013/02/22/nasa-a-nu...