#Arthur C. Clarke

Author: Al Williams / Source: Hackaday The 2019 Geneva International Motor Show has a number of “concept” vehicles. These are vehicles that usually include some cool feature that isn’t really practical — at least today. For example, in the past, concept cars have had adjustable color interior

Author: Matt Davis / Source: Big Think Iron Age Scandinavians only had access to poor quality iron, which put them at a tactical disadvantage against their neighbors. To strengthen their swords, smiths used the bones of their dead ancestors and animals, hoping to transfer the spirit into their