Saturday, April 02, 2011

This is your Earth on gravity


This lumpy blob is a gravity map of our planet, showing an exaggerated view of where sea level would be if it weren't for waves, tides, currents, or weather. The European Space Agency's GOCE satellite has created the most detailed planetary gravity map ever, and it could help us understand everything from climate change to earthquakes.

To get all technical on you, this image is showing what's called the geoid. If you imagine the Earth's surface totally smoothed out, you'd get a nice round reference ellipsoid of our planet. And if you then take that reference ellipsoid and squish it around to account for differences in gravity caused by land masses and mountains and denser regions of rock and such, you get the geoid. Read More

Freight And Container Handling Halted By Extreme Weather  SOUTH AFRICA – 2011 may well be the year the world remembers as the one when everything stopped due to natural disasters as so far we have seen a catalogue of unforeseen catastrophe’s affect the freight industry and so much more besides. Some things however never change and windy conditions have resulted in cargo operations being halted at container depots in Cape Town as shipping companies struggled to maintain ocean freight schedules...