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    • Gallery of the 1924 painted dome icons
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    • Interviews with scientists about science since 1924
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  • ABACUS
  • ACADÉMIE DES SCIENCES, PARIS
  • ACCADEMIA DEI LINCEI, ROME
  • AIR
  • AIR PUMP
  • ANTHROPOLOGY
  • ANTIQUE RETORT
  • ASTRONOMY
  • BELLOWS
  • BOTANY
  • CANDLE
  • CHEMISTRY
  • MAGNETIC COMPASS
  • DAGUERRE'S CAMERA
  • EARTH
  • FIRE
  • GALILEO'S TELESCOPE
  • GAS, LIQUID AND ICE
  • GEOLOGY
  • GEOLOGIC HAMMER AND CHISEL
  • INNER INSCRIPTION
  • KILN
  • LAVOISIER'S FLASK TO WEIGH AIR
  • LEVEL WITH PENDULUM BOB
  • ELECTRO-MAGNET
  • MATHEMATICS
  • MODERN MAN
  • MUSEUM OF ALEXANDRIA
  • NEWTON'S PRISM
  • OUTER INSCRIPTION
  • PEA PODS
  • PHAROS
  • PHYSICS
  • PLANET & STARS
  • EARTH (B)
  • JUPITER
  • MARS
  • MERCURY
  • NEPTUNE
  • SATURN
  • URANUS
  • VENUS
  • PLOWSHARE
  • PREHISTORIC MAN
  • PROMETHEUS
  • PYRAMID
  • PYTHAGOREAN THEOREM
  • SAILBOAT
  • SEXTANT
  • STARFISH
  • SUNFLOWER
  • TEAPOT
  • TEST TUBE
  • THE ROYAL SOCIETY OF LONDON
  • TRILOBITE FOSSIL
  • VOLTA'S BATTERY
  • WATER
  • WATER WHEEL
  • WATT'S STEAM ENGINE
  • WELL
  • WINDMILL
  • ZEBRA
  • ZOOLOGY

CANDLE

Fire as a source of light

The candle, once our primary source of indoor illumination, culturally symbolizes celebration, warmth and romance. Throughout history, each society has its own method of creating candles. Early Egyptians used torches by soaking reeds in melted animal fat and Romans developed wicked candles by repeatedly dipping papyrus into melted beeswax. Our modern unit of illumination, even for fluorescent and light emitting diode "luminaries" remains the "standard candle."