There are constant changes in the growth of technology in sports like every other industry. The highest developed equipments are used in every sense. Technology is also used by the persons those who officiate it. If there is no use of available technology, then it may lead to a state of confusion and second-guessing in the sports events. There are few technical advances in sports from past 50 years such as:
HANS device: The Hans device was invented in the 1980, from then auto racing became safe in all levels. Robert Hubbard, engineering professor, developed the U shaped head restraint device. This device is kept behind the neck of the driver and it is attached to the helmet of the driver. This will save the head of the driver from injury in any crashes or accidents.
Instant replay: Instant replay is the biggest technological advance in any area. CBS sports use the instant replay for the first time at the time of Army vs Navy game in 1962. After wards, slow motion was added to the instant replay in the year of 1965. Freeze frame capability was added by the Ampex HS-100 Camera.
Football pads and helmets: Advances in helmets made less dangers in football game. There is progress in helmet like plastic and plastic alloy and polycarbonate alloy today. There are advances in pad like rib pads, neck supports, and face masks.
Scoreboards: Replays and information on the players, video games and closeups of anything in the stadium are shown by scoreboards. There are HD screens and smaller digital scoreboards today.
These are the advance technologies in sports from past 50 years. Day by day technology is improving, so this improvement can be seen in every field and every where.