Galileo thermometer

Luca Renoldi

Carnate, Italy

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  • Artwork Comments 9

Wall Art

Stationery

Artist's Description

Suspended in the liquid are a number of the weights. Commonly those weights are themselves sealed glass bulbs containing colored liquid for an attractive effect. As the liquid in the cylinder changes temperature its density changes and those bulbs which are free to move, rise or fall to reach a position where their density is either equal to that of the surrounding liquid or where they are brought to a halt by other bulbs. If the bulbs differ in density by a very small amount and are ordered such that the least dense is at the top and most dense at the bottom, they can form a temperature scale.

Nikon D80
Exposure time 25 s
F-number f/32
ISO 125

Featured in Photography 101 on May, 2009

Challenge winner Black Things That Are Round on February, 2009

Featured in Things That Are Black on February, 2009

All Products Tags

still domestic thermometer

Artwork Comments

  • Elizabeth Rodriguez
  • Luca Renoldi
  • cougarfan
  • Maria  Moro
  • Oncemore
  • Taylor Sawyer
  • stagni
  • Luca Renoldi
  • Luca Renoldi
desktop tablet-landscape content-width tablet-portrait workstream-4-across phone-landscape phone-portrait
desktop tablet-landscape content-width tablet-portrait workstream-4-across phone-landscape phone-portrait

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