1. Vanishing Spray
Technology is vital for adjudication and performance enhancement in sports….
Vanishing spray is a substance applied to an athletic field to provide a temporary visual marker for use by both players and referees for the purposes of ensuring fair-play. The spray is applied from an aerosol can and appears as a white spot or line that disappears after a short time.
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2. Skycam
Skycam is a computer-controlled, stabilized, cable-suspended camera system. The system is manoeuvred through three dimensions in the open space over a playing area of a stadium or arena by computer-controlled cable-drive system. It is responsible for bringing video game-like camera angles to television sports coverage.
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3. Hot Spot
Hot Spot is an infra-red imaging system used in cricket to determine whether the ball has struck the batsman, bat or pad. Hot Spot requires two infrared cameras on opposite sides of the ground above the field of play that are continuously recording an image.
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4. LZR Racer
The LZR Racer Suit is a line of extremely high-end swimsuits manufactured by Speedo using a high-technology swimwear fabric composed of woven elastane-nylon and polyurethane. The line was launched on 13 February 2008, and marketed as ‘the world’s fastest swimsuit’.
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5. Hawk-Eye
Hawk-Eye is a computer system that visually tracks the trajectory of the ball and displays the most statistically likely path as a moving image. It is used in popular sports like cricket and tennis.
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6. Goal-line Technology
In football, goal-line technology determines when the ball has completely crossed the goal line, assisting the referee in calling a goal or not. After intensive testing of nine systems, only two were approved — GoalRef and Hawk-Eye. (Source: Wikipedia)