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Life
Phylogenetic tree of life on Earth based on rRNA analysis
Geology
The symbol of the simple sounding method, shown in planar drawings relating to geotechnical investigations.
Geology
The symbol of in situ permeameter tests, shown in planar drawings relating to geotechnical investigations.
Wind
Mountain wave schematic. The wind flows towards a mountain and produces a first oscillation (A). A second wave occurs further away and...
Wind
EF0 damage example--Shingles are torn from roof
Energy
Joule's apparatus for measuring the mechanical equivalent of heat. A descending weight attached to a string causes a paddle immersed in...
Fire
Fire is affected by gravity. Left: Flame on Earth; Right: Flame on the ISS
History
The regent duke Charles (later king Charles IX of Sweden) insulting the corpse of Klaus Fleming. Albert Edelfelt, 1878.
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