Kaleidoscope is derived from the Ancient Greek words καλός (kalos)= ‘beautiful, beauty’, εἶδος (eidos)= ‘that which is seen: form, shape’ and σκοπέω (skopeō)= ‘to look to, to examine’, hence ‘observation of beautiful forms’. The word was invented in 1817 by Sir David Brewster, inventor of the device. A children’s toy, that allows the light to …
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