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The Newcastle-Moore EF-5 tornado ripped through central Oklahoma on May 20, 2013, killing 24 people and leaving behind more than $2 billion in damage.

(a) Photograph of an ultrathin (72 µm thick) metamaterial sample. (b) Illustration of how the metamaterial redirects an electromagnetic wave, which would not happen for a normal thin film. The structure is not drawn to scale.

This artist’s rendering shows all-optical control of an individual electronic spin within a diamond. This spin is associated with a naturally occurring defect in diamond known as the nitrogen-vacancy center, a promising quantum bit (qubit) for quantum information processing. The University of Chicago’s David Awschalom and his associates have developed techniques to initialize, manipulate, and read out the electronic spin of this qubit using only pulses of light.

Mars Express mission highlights.

Production of oligonucleotides

Corners with nano pores.

ATLAS

The single-atom tip of the noncontact atomic force microscope “feels” changes in the strength of electronic forces as it moves across the surface at a constant height. Resulting movements of the stylus are detected by a laser beam to compute images.