A transparent oil with index of refraction 1.29 spills on the surface of water (index of refraction 1.33), producing a maximum of reection with normally incident orange light (wavelength 600 nm in air). Assuming the maximum occurs in the rst order, determine the thickness of the oil slick.
LucretiuswroteDeNaturaRerum(howthingswork) SearchforExtraterrestrialIntelligence(SET) GiuseppiCocconiandPhilipMorrisonwroteapaper ProjectOzma Radiowavesaretheoptimumwaytotransmitinfothroughspace RadiophotonsareCHEAPsoyoucanpackinmoreinformation Theyarefastbecausetheytravelatthespeedoflight! Penetrating--theyeasilytravelthoughdustandgas(youcan't seethrough spaceshitbutyoucanhearthroughit) Humanshavereachesthestageofoptimalintelligence(webuilttelescopes) DrakeEquation In1961FrankDrakeorganizeda