Category: The Sciences



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Simulate Jupiter And The Motions Of Its Four Main Satellites. Predict Great Red Spot Transit Times And Times Of Mutual Satellite P[...]

$24.95
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Lunar Phase Pro (for Win98/ME/NT/2000/XP/Vista/ Windows 7/Windows 8/Windows 8 tablets) is a moon observers software toolkit design[...]

$44.95
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Lunar Phase Pro (for Win98/ME/NT/2000/XP/Vista/ Windows 7/Windows 8/Windows 8 tablets) is a moon observers software toolkit design[...]

$44.95
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How to measure electric fields, magnetic fields, RF radiation and dirty electricity in your environment. How to set up a low EMF o[...]

$19.95