Medieval technology that its potential was fully achieved. Artesian well (1126) A thin rod with a hard iron cutting edge is placed in the bore hole and repeatedly struck with a hammer, underground water pressure forces the water up the hole without pumping. Artesian wells are named after the town of Artois in France, where the first one was drilled by Carthusian monks in 1126. Central heating through underfloor channels (9th century) In the early medieval Alpine upland, a simpler central heating system where heat travelled through underfloor channels from the furnace room replaced the Roman hypocaust at some places. In Reichenau
What a Wonderful World What a Wonderful World "What a Wonderful World" is a pop ballad written by Bob Thiele (as "George Douglas") and George David Weiss. It was first recorded by Louis Armstrong and released in 1967 as a single, which topped the pop charts in the United Kingdom. Thiele and Weiss were both prominent in the music world (Thiele as a producer and Weiss as a composer/performer). Armstrong's recording was inducted in the Grammy Hall of Fame in 1999. The publishing for this song is controlled by Memory Lane Music Group, Carlin Music Corp. and BMG Rights Management. One source claims the