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
Santa Semeli and the Monks with local musicians during their tour. Santa Semeli and the Monks Santa Semeli and the Monks is a music group formed in London in 2014 by Semeli Economou and Haraldur Ágústsson. Semeli and Haraldur first met in 2012 when Semeli cast Haraldur in her short film "The Burning Bush". The name Santa Semeli and the Monks originated from Semeli’s philosophy that religion should serve art. Monks symbolize dedication to a greater cause thus making music and art the priority. The group sees entertainment as the most beautiful and enjoyable way to convey messages. In June 2014 Santa Semeli and the