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From:http://einstein.phys.uwm.edu/starsphere.php
The Einstein@Home Screensaver has a number of elements related to current efforts to detect gravitational radiation from periodic sources such as pulsars. The primary element of the screensaver is a rotating celestial sphere showing the known constellations, along with the current zenith positions of three gravity wave detectors. The positions of the detectors relative to the stars changes periodically over a 24 hour period. If you went to one of the detector sites, the stars visible directly overhead at any time are the same ones that appear next to the detector on your screensaver. (This assumes of course that your computer's time and timezone are correctly set!) Also shown are the positions of the known pulsars and supernovae remnants, and a marker indicating the positions being searched as the calculations proceed. When the graphics are shown in a separate window (not as a screensaver) the user can control the display with the mouse and keyboard.
Stars and Constellations
(click on image to enlarge)
The rotating sphere shows the major stars of the constellations. You may have trouble at first recognizing some of the constellations; they will be backwards from what you are accustomed to because you are viewing them from outside the celestial sphere. You can use the mouse (as described below) to zoom to the inside of the celestial sphere, where the constellations will look like they normally do in the night sky.
Gravity Wave Observatories
Each of the "L" shaped markers on the starsphere represents the current zenith position (point directly upward) for one of the instruments which collects the data analyzed by Einstein@Home. The "L" shape comes from the fact that the detectors are basically very large Michelson interferometers. The orientation of the detectors is correct, but they are not to scale.
A wet day at the Top Gear test track, Dunsfold Park. The Formula 24 race was shortened to 80 minutes due to the weather conditions.
A wet day at the Top Gear test track, Dunsfold Park. The Formula 24 race was shortened to 80 minutes due to the weather conditions.
Phy and his trusty servant Boomer arrived at the Wizzend hovel of the Sage. He had no idea what to expect. having been given the map and the knowledge that this wise sage could assist him Phy set off in the small rickety boat they had procured with the proceeds of the trade with the Clan Birdo.
Slowly over the horizon the delapitated hovel on the waves appeared and Phy directed Boomer towards it as he put the cap back on his new collapsible spyglass. Phy sighed with releif that he had bought the glass, as he slowly came to realize, they were much futher into Blackhand Bay than the mage at the tavern had said.
No worries, he thought as they crept to the shaky dock, looping the tie down chain on the post. This ordeal with finding help with a rare device was almost done.
As soon as Phy Set foot on the dock, he saw the man that lived on the wooden structure. from this distance he looked dead in his eyes, he started closer before he realized the staff.
The staff held in the mans hand was large, as tall as a troll, and covered in spikes. and it moved. oh did it move. the eyes followed Phy's every step, and until he got to the bridge, it did nothing but follow him.
As soon as Phy opened his mouth to speak to the dead eyed man, the staff spoke.
And that is when Phy realized that the staff was the sage, and prepared to trade for what he came to get.