ScienceDaily: Strange Science News |
- How to treat heat like light: New approach using nanoparticle alloys allows heat to be focused or reflected just like electromagnetic waves
- Biggest structure in universe: Large quasar group is 4 billion light years across
- Saline hiding places for bacteria in Río Tinto could be like those on Mars
| Posted: 11 Jan 2013 06:27 AM PST A new technique provides a new way of manipulating heat, allowing it to be controlled much as light waves can be manipulated by lenses and mirrors.  |
| Biggest structure in universe: Large quasar group is 4 billion light years across Posted: 11 Jan 2013 06:25 AM PST Astronomers have found the largest known structure in the universe. The large quasar group (LQG) is so large that it would take a vehicle traveling at the speed of light some 4 billion years to cross it. Quasars are the nuclei of galaxies from the early days of the universe that undergo brief periods of extremely high brightness that make them visible across huge distances. These periods are 'brief' in astrophysics terms but actually last 10-100 million years.  |
| Saline hiding places for bacteria in Río Tinto could be like those on Mars Posted: 11 Jan 2013 06:24 AM PST Researchers have identified microorganisms that live inside salt deposits in the acidic and ferrous environment of the Tinto River in Huelva, Spain. The extreme conditions of these microniches appear to be similar to those of the salt deposits on Mars and Jupiter's moon, Europa. This possibility should be borne in mind on missions operating in these places.  |
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