spherical aberration

an example of optical aberration, a deviation from perfect image formation in which light from different parts of a mirror or lens is brought to different foci

supernova

the explosive death of a massive star whose energy output causes its expanding gases to glow brightly for weeks or months


teleoperation

the control of robots from a distance


Weibull distribution

a general-purpose reliability distribution used to model material strength and times-to-failure of electronic and mechanical components, equipment, or systems



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