Dc-squid: Forskelle mellem versioner

*[http://einstein.stanford.edu/content/story_of_gpb/gpbsty1.html Stanford: What is Gravity Probe B?], [http://einstein.stanford.edu/content/story_of_gpb/gpbsty3.html The Geodetic Effect: Measuring the Curvature of Space-time] Citat: "... Third, most important, Gravity Probe B investigates the gravitational action of moving matter..."

**[http://www.sciencedaily.com/releases/2004/09/040908091101.htm 2004-09-09, Sciencedaily: NASA Gravity Probe B Mission Enters Science Phase, Ready To Test Einstein's Theory] Citat: "...The magnetic field surrounding the gyros and SQUIDs (Super-conducting QUantum Interference Device) has been reduced to 10-7 gauss, less than one millionth of the Earth's magnetic field-the lowest ever achieved in space...The gyro readout measurements from the SQUID magnetometers have unprecedented precision, detecting fields to 10-13 gauss, less than one trillionth of the strength of Earth's magnetic field..."

 

[[Kategori:Nanoteknologi]]