Solar cell consisting of a single molecule
Photosystem-I (green) is optically excited by an electrode (on top). An electron then is transferred step by step in only 16 nanoseconds....
NASA Radar to Study Volcanoes in Alaska, Japan
This UAVSAR interferogram shows active volcano Mount St. Helens (left) and dormant volcano Mount...
A curious cold layer in the atmosphere of Venus
This image of the Venus southern hemisphere illustrates the terminator – the transitional region between the...
Nano-hillocks: Of mountains and craters
Following bombardment with highly charged ions, nano-hillocks have formed in an area of localized melting. Atomic force microscope image....
Mars Rover Opportunity Working at 'Matijevic Hill'
Rock fins up to about 1 foot (30 centimeters) tall dominate this scene from the panoramic camera (Pancam) on NASA's...
New method monitors semiconductor etching as it happens – with light
A three-dimensional image of an etched gallium-arsenide semiconductor, taken during etching with a new microscopy technique that monitors...
All systems go at the biofactory
The finely honed tip of the atomic force microscope (AFM) allows one to pick up single biomolecules and deposit them elsewhere with...