In ten years even slow animals like turtles can clock a good amount of miles, so why do our rovers on Mars move even slower than that? Why can't these Mars rovers move any faster?
The race for the most efficient way to power our planet is happening right now. There are many options ranging from wind to nuclear to hydro power. Sometimes science has to turn to nature for inspiration, after all trees have been using solar energy to survive for millions upon millions of years. Could humans use photosynthesis to power our lives?
Consider the history of printing. From very early fragile letters to recent developments in modern printing, this technological journey is pretty remarkable. Modern day printers are pushing the limits of both technology and biological research. So, can they print organs yet?