Explanation

Geroge Stephenson designed the railway steam engine 

The locomotives were the work of Stephenson and his son Robert.

Explanation

 Hahn is involved in the German project aimed at developing an atomic bomb.

History:

On December 21, 1938, German scientists Otto Hahn and Fritz Strassmann split uranium atoms

and were surprised to find several lighter products, including barium-141, instead of the heavy elements they had anticipated.

Additional information:

J. Robert Oppenheimer was called the "father of the atomic bomb".

Explanation

On June 2, 2022,  A US medical team reconstructed a human ear using the patient's own tissue to create a 3D bio-implant. 

Explanation

A bolometer is a device for measuring radiant heat by means of a material having a temperature-dependent electrical resistance.

Bolometer was invented in 1878 by Samuel Pierpont Langley (American astronomer)

Explanation

Braille education system was introduced by Braille for Blinds.

Braille education system Creator: Louis Braille

Explanation

The first commercial passenger flight to Israel by a carrier from the United Arab Emirates landed near Tel Aviv on 19 October 2020.

Etihad Airways Flight landed at Israel’s Ben-Gurion International Airport.

Explanation

Sherpa Tenzing: Nepali mountaineer

Edmund Hillary: New Zealand mountaineer

All about Mount Everest

Mount Everest is the Highest peak in the world.

Explanation

Abraham Maslow created Maslow's hierarchy of needs, a theory of psychological health predicated on fulfilling innate human needs in priority, culminating in self-actualization. 

Abraham Maslow was an American psychologist.

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Explanation

 Mortimer Adler is often associated with essentialist philosophy of education.

 Mortimer Adler was an American philosopher and educator.

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Explanation

An anemometer is an instrument that measures wind speed.

This type of anemometer has a spinning wheel.

Additional Information:

A hygrometer is an instrument used to measure humidity

A salinometer is used to measure the salinity

A bolometer is used to measure the power of incident electromagnetic radiation

A barometer is used to measure air pressure in certain environment