ScienceDaily: Top Technology News |
- How a distant black hole devoured a star
- NASA's WISE mission discovers coolest class of stars
- Build music with blocks: Audio d-touch
- Peculiar pair of galaxies nicknamed 'The Eyes'
- How to efficiently merge microdroplets using an electric field
| How a distant black hole devoured a star Posted: 24 Aug 2011 11:28 AM PDT Astronomers have provided new insights into a cosmic accident that has been streaming X-rays toward Earth since late March. NASA's Swift satellite first alerted astronomers to intense and unusual high-energy flares from the new source in the constellation Draco.  |
| NASA's WISE mission discovers coolest class of stars Posted: 24 Aug 2011 07:21 AM PDT Scientists using data from NASA's Wide-field Infrared Survey Explorer (WISE) have discovered the coldest class of star-like bodies, with temperatures as cool as the human body. Astronomers hunted these dark orbs, termed Y dwarfs, for more than a decade without success. When viewed with a visible-light telescope, they are nearly impossible to see. WISE's infrared vision allowed the telescope to finally spot the faint glow of six Y dwarfs relatively close to our sun, within a distance of about 40 light-years.  |
| Build music with blocks: Audio d-touch Posted: 24 Aug 2011 06:15 AM PDT Researchers have developed a new way to generate music and control computers.  |
| Peculiar pair of galaxies nicknamed 'The Eyes' Posted: 24 Aug 2011 06:15 AM PDT ESO's Very Large Telescope has taken a striking image of a beautiful yet peculiar pair of galaxies nicknamed The Eyes. The larger of these, NGC 4438, was once a spiral galaxy but has become badly deformed by collisions with other galaxies in the last few hundred million years.  |
| How to efficiently merge microdroplets using an electric field Posted: 24 Aug 2011 06:12 AM PDT In microfluidic devices, small separated droplets flow in a stream of carrier liquid. Occasionally, selected droplets have to be merged to carry out a chemical reaction. This can be greatly facilitated with the use of electric field, through a process of electrocoalescence that has been used industrially in large scale applications. Researchers have discovered the laws governing the process and how to maximize the efficiency of the merging.  |
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