Dean Kamen: To invent is to give

The video discusses the evolution of transportation, highlighting the shift from horse-drawn carriages to cars and the challenges of urban transportation today. It introduces a new technology aimed at solving the 'last mile' problem in cities, emphasizing the need for legal and social acceptance. The speaker also explores future innovations like the Stirling cycle engine, which could provide sustainable solutions for transportation, electricity, and water purification.

What is the speaker's humorous suggestion for future car control?

• Using a joystick

• Voice commands

• Mind control

• Remote control

What was a significant environmental benefit of early automobiles?

• Cleaner streets

• Reduced noise pollution

• Lower fuel consumption

• Increased speed

What percentage of the global population currently lives in cities?

• 90%

• 70%

• 50%

• 30%

What is the 'last mile' problem in urban transportation?

• Traffic congestion

• High cost of public transport

• Inefficiency of cars for short distances

• Difficulty in finding parking

What was a major concern for the Segway's acceptance in cities?

• Its speed

• Its cost

• Legal use on sidewalks

• Battery life

How did the speaker test the Segway's pedestrian compatibility?

• In a park

• At a shopping mall

• At Ground Zero

• On a busy street

What is a key feature of the Stirling cycle engine?

• It uses solar power

• It is wind-powered

• It can burn any fuel

• It is water-powered

What is the potential benefit of the Stirling cycle engine in terms of water?

• It can transport water

• It can purify water

• It can desalinate water

• It can store water

What is the main cause of death related to water issues globally?

• Water scarcity

• Floods

• Bad water

• Drowning

What is the energy efficiency of the Stirling cycle engine?

• 20%

• 30%

• 10%

• 40%