Out with the old, in with the new: Telescope mirrors get new shape

Telescope mirrors of old basically came in one shape: they were round and fit nicely inside a tube. No longer. An emerging optics technology now allows these light-gathering devices to take almost any shape, potentially providing ...

Micromirror technology for smartphones

With consumers using smartphones as a mobile entertainment centre, the ability to project photos and videos on any surface may soon become the norm.

Image: Hubble fingerprints a galaxy

The NASA/ESA Hubble Space Telescope is no stranger to spiral galaxies. The telescope has brought us some of the most beautiful images ever taken of our spiral neighbors—and the galaxy known as NGC 4689 is no exception.

Zooming in to catch the bad guys

It's a frequent scene in television crime dramas: Clever police technicians zoom in on a security camera video to read a license plate or capture the face of a hold-up artist. But in real life, enhancing this low-quality ...

NASA image: Smoke and haze over China

Smoke and haze hang over a large portion of eastern China in this image captured by the Aqua satellite on October 29, 2014. China uses the method of "slash and burn" agriculture to rid their fields of leftover plants. Farmers ...

NASA image: Wildfires persist in California

Several fires are currently raging in central and northern California. These fires can be seen in this natural-color Terra satellite image taken by the MODIS instrument on August 18, 2013.

New method to magnify digital images is 700 times faster

Aránzazu Jurío-Munárriz, a graduate in computer engineering from the NUP/UPNA-Public University of Navarre, has in her PhD thesis presented new methods for improving two of the most widespread means used in digital image ...

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