Numismatist noted numismatist who was not an avid collector, and King Farouk I of Egypt was an avid collector who had very little interest in numismatics. Harry Bass by comparison was a noted collector who was also a numismatist. The second group are the coin dealers. Often called professional numismatists, they authenticate or grade coins for commercial purposes. The buying and selling of coin collections by numismatists who are professional dealers advances the study of money, and expert numismatists are consulted by historians, museum curators, and archaeologists. See, for example, the International Association of Professional Numismatists (IAPN) and the British Numismatic
Puck Collect Puck Collect Puck Collect is a robot competition where two autonomous mobile robots aim to collect small colored pucks randomly distributed in a square arena. Each robot starts from a square home base painted red or blue. The game lasts only couple of minutes, while the robots navigate in the arena and try to bring the pucks to their home bases. Pucks placed in home bases that are uncovered and unmoved are counted and collected by the referees. The robots are allowed to use vision, other types of sensors, and typically employ a color sensor to distinguish among their own