A quick chart to help when you want to know if a battery is almost empty etc…use a volt-meter and check against this chart…
It’s the nerd in me that makes me do these things….
Time:
Like space but more personal and precious, although you are free to use it as you wish, it will force you to travel in only one direction. It will be fair to all equally but some will get less than others. Sharing time with someone is the greatest gift you can receive.
