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
A Certain Smile (song) number 4 on the UK Singles Chart and number 14 on the "Billboard" Hot 100. Astrud Gilberto recorded it for her 1966 album, "A Certain Smile, a Certain Sadness". Jay and the Americans released a version of the song on their 1963 album, "At the Cafe Wha?" The song was featured in the 2010 BBC production of "A Passionate Woman". A Certain Smile (song) "A Certain Smile" is a popular song. It was written for the 1958 film of the same name, based on the novel, also titled "A Certain Smile", by Françoise Sagan. The song was nominated for the