ScienceDaily: Top Technology News |
- Economic analysis updated for the National Petroleum Reserve in Alaska
- NASA's Gravity Probe B confirms two Einstein space-time theories
- Revolutionary new paper computer shows flexible future for smartphones and tablets
- New way to control conductivity: Reversible control of electrical and thermal properties could find uses in storage systems
- Dawn spacecraft reaches milestone approaching asteroid Vesta
- Supernova and star birth in the Meathook Galaxy
| Economic analysis updated for the National Petroleum Reserve in Alaska Posted: 04 May 2011 01:20 PM PDT The US Geological Survey assessment on the economic recoverability of undiscovered, conventional oil and gas resources within the National Petroleum Reserve in Alaska and adjacent state waters is now available. Economically recoverable resources are those that can be sold at a price that covers the costs of discovery, development, production and transportation to the market. The new economic analysis estimates that approximately 273 million barrels of undiscovered oil are economically recoverable at an oil price of $72 per barrel (comparable to $8 per thousand cubic feet of gas). About 500 million barrels of undiscovered oil are economically recoverable at $90 per barrel (comparable to $10 per thousand cubic feet of gas).  |
| NASA's Gravity Probe B confirms two Einstein space-time theories Posted: 04 May 2011 12:06 PM PDT NASA's Gravity Probe B (GP-B) mission has confirmed two key predictions derived from Albert Einstein's general theory of relativity, which the spacecraft was designed to test. The experiment, launched in 2004, used four ultra-precise gyroscopes to measure the hypothesized geodetic effect, the warping of space and time around a gravitational body, and frame-dragging, the amount a spinning object pulls space and time with it as it rotates.  |
| Revolutionary new paper computer shows flexible future for smartphones and tablets Posted: 04 May 2011 08:11 AM PDT The world's first interactive paper computer is set to revolutionize the world of interactive computing. The computer looks, feels and operates like a small sheet of interactive paper. Users interact with it by bending it into a cell phone, flipping the corner to turn pages, or writing on it with a pen.  |
| Posted: 04 May 2011 07:39 AM PDT A team of researchers has found a way to manipulate both the thermal conductivity and the electrical conductivity of materials simply by changing the external conditions, such as the surrounding temperature. And the technique they found can change electrical conductivity by factors of well over 100, and heat conductivity by more than threefold.  |
| Dawn spacecraft reaches milestone approaching asteroid Vesta Posted: 04 May 2011 07:37 AM PDT NASA's Dawn spacecraft has reached its official approach phase to the asteroid Vesta and will begin using cameras for the first time to aid navigation for an expected July 16 orbital encounter. The large asteroid is known as a protoplanet -- a celestial body that almost formed into a planet.  |
| Supernova and star birth in the Meathook Galaxy Posted: 04 May 2011 05:00 AM PDT The Meathook Galaxy, or NGC 2442, has a dramatically lopsided shape. One spiral arm is tightly folded in on itself and host to a recent supernova, while the other, dotted with recent star formation, extends far out from the nucleus. The NASA/ESA Hubble Space Telescope and the MPG/ESO 2.2-meter telescope have captured two contrasting views of this asymmetric spiral galaxy.  |
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