What furniture item was invented by California furniture designer Charles Prior Hall in 1968?
Correct answer: C. Waterbed
- A. Sofa bed
- B. Captain's chair
- C. Waterbed
- D. Hammock
Explanation
Charles Prior Hall is credited with developing the modern waterbed in 1968. A waterbed replaces the usual mattress filling with water contained in a flexible bladder.
Last updated
About Inventions and Discoveries
Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
Practise Inventions and Discoveries
286 free Inventions and Discoveries MCQs from General Knowledge, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask General Knowledge questions like this
General Knowledge is on 58 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.