List of vehicle speed records. The following is a list of speed records for various categories of vehicles. In any category, as with many world records, there may be some dispute over the criteria for a record-setting event, the authority of the organization certifying the record, and the actual speed achieved.
The rings are interlocked so as not to become misplaced. The term puzzle ring typically refers to a jewelry ring made up of multiple interconnected bands, which is a type of mechanical puzzle most likely developed as an elaboration of the European gimmal ring. The puzzle ring is also sometimes called a Turkish wedding ring or harem ring..
A fairy ring, also known as fairy circle, elf circle, elf ring or pixie ring, is a naturally occurring ring or arc of mushrooms. The rings may grow to over 10 metres (33 ft) in diameter, and they become stable over time as the fungus grows and seeks food underground. great deal of folklore surrounds fairy rings. Their names in European languages often allude to supernatural origins; they are known as ronds de sorciers (sorcerers' rings) in France, and Hexenringe (witches' rings) in German.