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The British TV series Dragon's Den is based on which Japanese business-investment show?
Answer
Money Tigers
Which entrepreneur joined the British Dragons' Den panel in series 3, replacing Rachel Elnaugh?
Answer
Deborah Meaden
Which original Dragon has appeared continuously on the British programme Dragons' Den since its 2005 launch?
Answer
Peter Jones
What early mechanical device did Leonardo da Vinci design using small rolling spheres to reduce friction?
Answer
A ball bearing
What lifting machine did Leonardo da Vinci design with a helical screw for construction work?
Answer
Screw jack
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What multi-barreled firearm did Leonardo da Vinci design for rapid volleys?
Answer
33-barrel organ
What clockwork vehicle did Leonardo da Vinci design to move without being pushed by a person or animal?
Answer
Self-propelled cart
In Pixar's Cars 2, who is the weapons expert known as Professor Z?
Answer
Professor Zündapp