
Scientific instruments have opened up sensory domains far beyond the constraints of biological perception. Technology has extended our phenotype enormously and has pushed the boundaries of what can be known...
Light microscopes can be used to observe otherwise invisible features in living cells..
Optical microscopes can produce magnified images up to 1000×. Any further resolution is limited by the wavelength of light and difraction inherent in manufactured lenses.
Image credit: Steve Durr (1999) Microscopy-UK