News tagged with calibration method

Mars-bound NASA rover carries coin for camera checkup

(PhysOrg.com) -- The camera at the end of the robotic arm on NASA's Mars rover Curiosity has its own calibration target, a smartphone-size plaque that looks like an eye chart supplemented with color chips ...

Space & Earth / Space Exploration

created Feb 07, 2012 | popularity 4.3 / 5 (7) | comments 10 | with audio podcast

Improving speed measurements for cars, bullets

While today's law enforcement officers don't wear utility belts full of crimefighting gadgets like Batman, they do rely on a variety of state-of-the-art technologies to do their jobs efficiently and safely. ...

Physics / General Physics

created May 21, 2009 | popularity 4.3 / 5 (3) | comments 0




Search results for calibration method


A new generation of acoustic measurements

NPL scientists have made the first measurements of airborne acoustic free-field pressures using a laser technique based on photon correlation spectroscopy.

Physics / General Physics

created 9 hours ago | popularity not rated yet | comments 0

Astronomers seize last chance in lifetime for Venus Transit

Astronomers are gearing for one the rarest events in the Solar System: an alignment of Earth, Venus and the Sun that will not be seen for another 105 years.

Space & Earth / Astronomy

created May 26, 2012 | popularity 5 / 5 (3) | comments 3

NRL RAIDS experiment advances ionospheric remote sensing

Naval Research Laboratory scientists have obtained a first-ever measured altitude profile of a dim extreme-ultraviolet terrestrial airglow emission that provides vital information needed to test and improve ...

Space & Earth / Earth Sciences

created May 18, 2012 | popularity not rated yet | comments 0

Astronomer urges researchers everywhere to study Venus transit

(Phys.org) -- Jay Pasachoff, Director of Hopkins Observatory, Chair of the Astronomy Department at Williams College and Field Memorial Professor of Astronomy, has written a commentary piece published in the ...

Space & Earth / Astronomy

created May 17, 2012 | popularity 5 / 5 (5) | comments 3 | with audio podcast report

Ancient tree-ring records from southwest U.S. suggest today's megafires are truly unusual

Today’s mega forest fires of the southwestern U.S. are truly unusual and exceptional in the long-term record, suggests a new study that examined hundreds of years of ancient tree ring and fire data from ...

Space & Earth / Environment

created May 16, 2012 | popularity 4.9 / 5 (8) | comments 2

Greenhouse workers showcase soil and light

(Phys.org) -- Light and dirt can make all the difference when it comes to growing plants, stress scientists at the Cornell University Agricultural Experiment Station (CUAES). Yet many researchers fail to consider ...

Biology / Plants & Animals

created May 08, 2012 | popularity not rated yet | comments 0

New research brings satellite measurements and global climate models closer

One popular climate record that shows a slower atmospheric warming trend than other studies contains a data calibration problem, and when the problem is corrected the results fall in line with other records ...

Space & Earth / Earth Sciences

created May 07, 2012 | popularity 3.9 / 5 (13) | comments 13 | with audio podcast

Earth history and evolution

In classical mythology, the cypress tree is associated with death, the underworld and eternity. Indeed, the family to which cypresses belong, is an ancient lineage of conifers, and a new study of their evolution affords a ...

Biology / Plants & Animals

created May 03, 2012 | popularity 3.9 / 5 (7) | comments 1 | with audio podcast

Folding light: Wrinkles and twists boost power from solar panels

Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.

Physics / Optics & Photonics

created Apr 27, 2012 | popularity 4.9 / 5 (15) | comments 8 | with audio podcast

Counting penguins from space

A new study using satellite mapping technology reveals there are twice as many emperor penguins in Antarctica than was previously thought. The results provide an important benchmark for monitoring the impact ...

Biology / Plants & Animals

created Apr 13, 2012 | popularity 5 / 5 (5) | comments 9 | with audio podcast


List of search results for calibration method