Explanation

George Stephenson is known as the "Father of Railways".

Because of his pioneering work in developing the first public inter-city railway line in 1825.

It revolutionized transportation and transformed the way people and goods moved around the world.

He designed and built several iconic trains, including the famous "Rocket," which won the Rainhill Trials in 1829.

Explanation

QWERTY refers to the first six letters on the upper row of the keyboard.

The QWERTY layout was devised and created in the early 1870s

The key arrangement was devised by Christopher Latham Sholes

104 buttons or keys in a QWERTY keyboard 

The QWERTY keyboard is also known as the Sholes keyboard

ND18-4-2023

Explanation

Euclid Considered the "father of geometry"

He was an ancient Greek mathematician active as a geometer and logician.

Known for: The Elements, Optics, Data

Died: Alexandria, Egypt

Last updated question  18-02-2026

Explanation

• The invention of gunpowder and paper is attributed to ancient China
• It was invented during the late Tang dynasty (9th century)
• The earliest recorded chemical formula for gunpowder dates to the Song dynasty (11th century)

Last updated by NA on 05-11-2026

Explanation

Brahmagupta, an astronomer and mathematician from India used zero in mathematical operations like addition and subtraction.

Aryabhatta introduced zero in 5th century.

Brahmagupta introduced zero in calculations in around 628 AD.

Explanation

Louis Braille was a French educator and the inventor of a reading and writing system

Braille was blinded at the age of three in one eye

Born: 4 January 1809 Coupvray, France

Died: 6 January 1852 (aged 43) Paris, France

Resting place: Panthéon, Paris Coupvray

Explanation

Origin of species using Natural Selection was the work of Charles Darwin.

It was published on 24 November 1859,

..

Charles Darwin's discoveries included.

four different species of giant ground sloth (some of the largest land mammals ever to have lived), a gomphothere,

and the remains of an extinct horse.

ND16-8-2023

Explanation

The first modern air conditioner was invented in 1902 by Willis Haviland Carrier.

He was a skilled engineer who began experimenting with the laws of humidity control.

This was to solve an application problem at a printing plant in Brooklyn, NY.

Explanation

Edward Jenner was a physician and scientist who pioneered the concept of vaccines including creating the smallpox vaccine, the world's first ever vaccine.

He belonged to the British.

Explanation

Marie Curie is best known for her work in radioactivity

She also discovered the elements radium and polonium.

Her pioneering research in radioactivity earned her two Nobel Prizes, one in Physics (1903) and one in Chemistry (1911).