The sad state of America’s bridges is a perennial topic amongst engineers and politicians, all of whom have a plan to fix them. A post from the ESA shows how one of the best tools for repair is actually hanging out in Low Earth Orbit.
Here you can see a composite satellite photo of two cyclones hitting northern Australia within six hours of each other this week. In the upper left is Cyclone Lam, and in the lower right is Cyclone Marcia. It's beautiful but also terrifying. Read More >>