Revolving Doors: Usage and Invention

The video discusses the history and efficiency of revolving doors, first patented by Theophilus Vancano. Despite their energy-saving benefits, less than 30% of people use them. To encourage usage, a fun initiative is introduced where stickers of football players are placed on the doors, and a scoreboard in the lobby tracks touchdowns as people use the revolving doors.

Who is credited with patenting the revolving door?

• Alexander Graham Bell

• Theophilus Vancano

• Thomas Edison

• Nikola Tesla

What is a rumored reason for the invention of revolving doors?

• To save space

• To improve security

• To avoid holding doors for women

• To reduce noise

How much less air do revolving doors let out compared to swing doors?

• Ten times less

• Eight times less

• Four times less

• Twice as much

What percentage of people actually use revolving doors?

• Less than 10%

• Less than 20%

• Less than 30%

• Less than 40%

What creative method was used to encourage the use of revolving doors?

• Adding a music system

• Using football stickers and a scoreboard

• Installing automatic sensors

• Offering discounts for usage