Answers posted by Ayesha Akter

An airplane or aeroplane is a fixed-wing aircraft that is propelled forward by thrust from a jet eng...

Wilber Wright and Orville Wright were the two brothers who lived in the America. Wilbur Wright was t...

The fan was invented in 1882 by Schuyler Skaats Wheeler. A few years later, Philip Diehl mounted a f...

The first camera was invented in 1816 by Frenchman Joseph Nicéphore Niépce. The invention of the cam

The establishment of the Bank of England, the model on which most modern central banks have been bas...

Computer scientists Vinton Cerf and Bob Kahn are credited with inventing the Internet communication ...

Maqsudul Alam.

Who invented the first light bulb and when? In 1878, Thomas Edison began serious research into devel...

Philo Farnsworth, in full Philo Taylor Farnsworth II, (born August 19, 1906, Beaver, Utah, U.S.—died

dam Osborne invented the laptop in 1981. Though Osborne 1 was recognized as the first laptop, the co...

Horace Mann is considered as the inventor of the concept of school. He was born in 1796 and later be...

Though various locksmiths and different people from different communities invented different methods...

According to the Guinness World Records, the first wristwatch was made in 1868 for Countess Koscowic...

The ancient Greeks were the first to create a democracy. The word “democracy” comes from two Greek w

A widely accepted story of email's origins involves a computer engineer named Ray Tomlinson who was ...

The Sumerians were the first civilisation to have developed a counting system. It is a common belief...

The first handheld mobile phone was demonstrated by Martin Cooper of Motorola in New York City in 19...

The first handheld mobile phone was demonstrated by Martin Cooper of Motorola in New York City in 19...

To create a Facebook account: Go to facebook.com/reg. Enter the name you go by in everyday life. Ent...

Horn of Africa, region of eastern Africa. It is the easternmost extension of African land and for th...

Diabetes, also known as diabetes mellitus, is a group of metabolic disorders characterized by a high...

চুলকানি (প্রুরিটাস নামেও পরিচিত) হল একটি সংবেদন যা আচড়ের ইচ্ছা ঘটায়। চুলকানি যেকোন এক ধরণের সংবেদন

Typhoid fever is a bacterial infection that can spread throughout the body, affecting many organs.

আমাশয় (ইং: Dysentery) মানব অন্ত্রে রোগজীবাণুর সংক্রমণজনিত রোগ। সাধারণত এন্টামিবা হিস্টোলাইটিকা (Ent

হাম বা রুবিওলা (ইংরেজি: Rubeola) একটি অত্যন্ত ছোয়াঁচে ও তীব্র ভাইরাসঘটিত রোগ।