Dinosaur Australia

3 May 2015

At http://phys.org/print348483517.html ... dinosaur footprints have turned up on an Australian beach - but they are only exposed during spring tides. This indicates the continental shelf around western Australia was dry land at the time.

One interesting aspect is the equipment used, a light-weight LiDAR laser scanner developed by CSIRO that apparently fires lasers into the atmosphere from a spinning mirror. Distance is measured when the laser bounce back.