Q 01/05

Who originally developed the Hawk-Eye ball-tracking system in the United Kingdom?

A) Paul Hawkins

B) Bill Carlton

C) Tony Verna

D) Allan Plaskett

Answer · why

A) Paul Hawkins

Engineers at Roke Manor Research in Romsey built it in 2000; Sony bought the company in 2011.

Q 02/05

Hawk-Eye was first used on television in 2001 to analyse which cricket decision?

A) Run-out appeals

B) Stumping appeals

C) Caught behind

D) Leg before wicket

Answer · why

D) Leg before wicket

It triangulates feeds from up to ten high-speed cameras into a 3D path of the ball.

Q 03/05

To within how many millimetres is Hawk-Eye advertised to be accurate?

A) 0.5 mm

B) 1.2 mm

C) 2.6 mm

D) 2.0 mm

Answer · why

C) 2.6 mm

Even so, its makers describe it as not infallible.

Q 04/05

Which company bought Hawk-Eye Innovations in March 2011?

A) Panasonic

B) Siemens

C) Canon

D) Sony

Answer · why

D) Sony

The deal valued the firm at £15m to £20m.

Q 05/05

Which Grand Slam first used Hawk-Eye officially for player challenges, in 2006?

A) Wimbledon

B) Australian Open

C) US Open

D) French Open

Answer · why

C) US Open

Each player received two challenges per set; the Australian Open followed in 2007.