How to measure the depth of the pit or Abyss with only stones and Stopwatch
On September 2, 2017, instagram @warungsaintek uploaded the following picture: Well, in this article will be informed how to calculate the depth of the well/the abyss just by building a stone and a stopwatch. The more accurate stopwatch (able to measure the more numbers behind the comma, as 2.32 seconds) then it will be the more accurate calculation of its depth. Neither the accuracy/precision will also increase if we are… Read More »How to measure the depth of the pit or Abyss with only stones and Stopwatch