The James M. DuPont Meteorite Collection - from the bottom of the South Pole water well (SPWW) using a collector which we designed and built [1]. The SPWW is a 23-m-diameter by 15-m-deep melt pool 100 m below the snow surface at the Amundsen-Scott South Pole Station. It provides drinking wate...
The discovery of the magnetic compass was an event of GREAT importance in the history of people. It was the first documented instrument created by mankind that could be read using a precise scale. Of course the sundial had been around for a long time, but it doesn't move [just it's shadow does...
Mon, Mar 10 | from Mostly Trivial with your host Johnee Bee