Which waves are discovered in 2017 in the LIGO conference?
Correct answer: C. Gravitational waves
- A. Chromium waves
- B. Heat waves
- C. Gravitational waves
- D. sedenctary waves
Explanation
LIGO detects ripples in spacetime called gravitational waves, produced by violent events such as merging black holes. The first detection was announced in 2016, while the 2017 Nobel Prize recognised this discovery.
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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.
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