life, the universe, and happiness
Star trails from the International Space Station.

Star trails from the International Space Station.

— 2 years ago with 10 notes
#space  #stars  #star trails  #jsc 

Unknown members of the Australian Antarctic Expedition during a blizzard at Cape Denison, c. 1912 (Frank Hurley)

Unknown members of the Australian Antarctic Expedition during a blizzard at Cape Denison, c. 1912 (Frank Hurley)

(via brilliantinemortality)

— 2 years ago with 176 notes
#antarctica  #cold  #snow  #dark  #old  #explorers  #antarctic expedition  #ice 
Aerial photography of Antarctica.

Aerial photography of Antarctica.

— 2 years ago with 1 note
#antarctica  #ice  #aerial photography 
According to the Siloam inscription, the tunnel was excavated by two teams, one starting at each end of the tunnel and then meeting in the middle. The inscription is partly unreadable at present, and may originally have conveyed more information than this. It is clear from the tunnel itself that several directional errors were made during its construction...
The difficult feat of making two teams digging from opposite ends meet far underground is now understood to have been accomplished by directing the two teams from above using sounds generated by hammering on the solid karst through which the tunnelers were digging.
(photo from http://www.bib-arch.org/e-features/hezekiahs-tunnel.asp)

According to the Siloam inscription, the tunnel was excavated by two teams, one starting at each end of the tunnel and then meeting in the middle. The inscription is partly unreadable at present, and may originally have conveyed more information than this. It is clear from the tunnel itself that several directional errors were made during its construction...

The difficult feat of making two teams digging from opposite ends meet far underground is now understood to have been accomplished by directing the two teams from above using sounds generated by hammering on the solid karst through which the tunnelers were digging.

(photo from http://www.bib-arch.org/e-features/hezekiahs-tunnel.asp)

— 2 years ago
#caves  #caving  #tunnels  #hezekiah's tunnel  #jerusalem