Explanation

Jabir Ibn Hayyan (721–815 CE) was a pioneering Muslim scientist known as the father of early chemistry and a contributor to biological sciences.

Explanation

Benjamin Franklin invented the lightning rod, a device used to protect buildings from lightning strikes.

He made this invention in 1752 as part of his experiments with electricity.

Explanation

Dolly was the world's first cloned sheep.

Dolly was born on 5 July 1996.

Dolly was a female domestic sheep, and the first mammal cloned from an adult somatic cell, using the process of nuclear transfer.

Dolly was cloned by Ian Wilmut.

Explanation

Thomas Edison was an American inventor.

 “In 1879, he made an incandescent bulb that burned long enough to be practical, long enough to light a home for many hours

Explanation

 Yuan Shikai is the empire of china 1915 – 1916

In 221 BC, Qin Shi Huang conquered the various warring states and created for himself the title of Huangdi or "emperor" of the Qin, marking the beginning of imperial China.

Explanation

The hard disk was invented on September 13, 1956, by an IBM team led by Rey Johnson

The commercial usage of hard disk drives (HDD) began in 1957

Rey Johnson (considered as “father” of the disk drive).

A computer hard disk drive is a non-volatile data storage device.

Hard Disk is an example of Magnetic Storage

Explanation

Founded February 4, 2004

Headquarters: Menlo Park, California, U.S.

 Facebook was founded by Mark Zuckerberg, along with his fellow roommates

Explanation

Explanation

Motorola was the first company to produce a handheld mobile phone.

On April 3, 1973, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival.

Explanation

Distant objects can be seen with the help of the Telescope

They produce an image that is larger than the image that can be seen with the unaided eye.

Telescopes gather far more light than the eye,

It allows dim objects to be observed with greater magnification and better resolution.