Probe Definition and 155 Threads

  1. C

    What is the Mass of the Planet?

    Space probe, planet, and sun... Correcting test again, and I don't know where to start on this problem: A space prob lies along a line between a planet and the sun so that the sun's gravitational pull on the probe balances the planets pull. The distance of the probe from the planet is 1.0...
  2. Ivan Seeking

    Jupiter probe nears fiery end: BBC

    http://news.bbc.co.uk/2/hi/science/nature/3109892.stm
  3. R

    Why Are My 4-Point Probe Measurements Failing?

    4 point probe measurement help! I will really appreciate if somebody can help me: I was trying to measure the electrical conductivity of some conductive polymer films using the 4 point probe technique. Altough is widely described and seems easy to arrange, I have been unable to measure my...
  4. V

    Can you help me prove a=b=2 for the equation a+b=ab=a^b?

    Please Help! given a+b=ab=a^b, probe a=b=2 Please help me on this: Given a+b=ab=a^b prove a=b=2 it seems like a very simple task but I have lost my sleep for the past couple of nights over it. please help or ill be
  5. R

    Creating a Sound Card Oscilloscope Probe | How-To Guide

    Any one ever use a sound card + software as an oscillscope? I just want to know how i can make a probe to use as an oscillscope probe that can be plugged into the Input of a sound card. Thanks
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