![]() “The BioGame ‘Blocksworld repopulated!’ gives you the opportunity to plunge into a labyrinth populated by microorganisms that you can interact with. Players earn points by guiding the Euglena through the goal posts. The microorganisms avoided blue light, so drawing a circle around one of the microbes would trap it, which became the name for one of the scientific mini-games Museum visitors could use blue, green or red light to draw patterns on the screen and observe how the Euglena reacted. Related projects Ingmar Riedel-Kruse lab at stanford university ![]() Immersion oils are transparent oils that have specific optical and viscosity characteristics necessary for use in microscopy."( ) This is achieved by immersing both the objective lens and the specimen in a transparent oil of high refractive index, thereby increasing the numerical aperture of the objective lens. "In light microscopy, oil immersion is a technique used to increase the resolving power of a microscope. Rays (black) coming from the object (red) at a certain angle and going through the coverslip (orange, as the slide at the bottom) can enter the objective (dark blue) only when immersion is used."( ) Microscope Use ![]() Path of rays with immersion medium (yellow) (left half) and without (right half).
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