Q 01/05

Hawk-Eye, familiar from tennis line calls, was first used on TV in 2001 to analyse what?

A) Offside calls in football

B) LBW decisions in cricket

C) Putting lines in golf

D) Pot angles in snooker

Answer · why

B) LBW decisions in cricket

LBW decisions in cricket. It projected whether a ball that struck the batter's pad would have gone on to hit the wicket, a judgement that had rested l...

Q 02/05

Hawk-Eye plots a ball's flight using several what, mounted around the stadium roof?

A) Radar guns

B) Laser scanners

C) High-speed cameras

D) Directional microphones

Answer · why

C) High-speed cameras

High-speed cameras. Each films the ball from a different angle, and software triangulates the views into a 3D path, then predicts where the ball was h...

Q 03/05

Which Grand Slam was the first to let players challenge line calls using Hawk-Eye, in 2006?

A) Wimbledon

B) Australian Open

C) US Open

D) French Open

Answer · why

C) US Open

US Open. A run of bad calls against Serena Williams in her 2004 quarter-final there, exposed by TV replays, pushed tennis to hand players electronic c...

Q 04/05

Which electronics company bought the Hawk-Eye system in 2011?

A) Panasonic

B) Samsung

C) Philips

D) Sony

Answer · why

D) Sony

Sony bought the British firm in March 2011. The Hawk-Eye name is a play on its inventor, Paul Hawkins, who said the sale created "immense opportunitie...

Q 05/05

Which football chief, until then opposed to goal-line technology, reopened the debate after a missed goal at the 2010 World Cup?

A) Michel Platini

B) Sepp Blatter

C) Gianni Infantino

D) Aleksander Čeferin

Answer · why

B) Sepp Blatter

Sepp Blatter apologised for the missed goal and reopened the goal-line debate, but said other errors needed no technology; by 2014 he was proposing th...