Inventions Of The Past

China is considered to be the birthplace of paper. The invention of paper is attributed to Cai Lun, a Chinese official, during the Eastern Han Dynasty. He is believed to have made paper by mixing mulberry bark, hemp, and rags with water, then pressing and drying the mixture. This innovation revolutionized the way information was recorded and transmitted, leading to the widespread use of paper as a writing material.

Douglas Englehart is credited with inventing the computer mouse. He developed the first prototype of the mouse in the 1960s while working at the Stanford Research Institute. The device was a wooden shell with two metal wheels that could sense movement and translate it into cursor movement on a computer screen. Englehart's invention revolutionized computer interaction by providing a more intuitive and efficient way to navigate and interact with graphical user interfaces. His contribution to the development of the computer mouse has had a lasting impact on the field of computing and is still widely used today.

The credit card was invented in the USA. The answer is not India, Canary Islands, or China.

The correct answer is 2500 B.C. This is because archaeological evidence suggests that swimming pools were first created around this time in ancient civilizations such as the Indus Valley and ancient Egypt. These early swimming pools were often used for religious rituals and bathing purposes.

Dr. Alexander Fleming is credited with the invention of penicillin. He discovered the antibiotic in 1928 when he noticed that a mold called Penicillium notatum inhibited the growth of bacteria. This accidental discovery revolutionized the field of medicine and led to the development of the first antibiotic drug, which has since saved countless lives. Fleming's work on penicillin earned him the Nobel Prize in Physiology or Medicine in 1945.

The steam engine was invented in 1803. This invention played a crucial role in the Industrial Revolution, revolutionizing transportation and manufacturing. It allowed for the development of steam-powered locomotives, which greatly improved transportation efficiency, and it also powered machinery in factories, increasing productivity. The steam engine marked a significant advancement in technology and had a profound impact on society and the economy.

Toothpaste was invented almost 5000 years ago. This suggests that toothpaste has been used for a very long time, indicating its importance in oral hygiene throughout history. It also implies that people recognized the need for dental care and developed solutions to maintain oral health even in ancient times.

Conrad Gesner is credited with inventing the pencil. He was a Swiss naturalist and scholar who described the use of graphite sticks to mark on paper in his book "Historiae Animalium" in 1565. Although the concept of a writing instrument using graphite had been around for centuries, Gesner's book popularized the use of pencils and brought them into wider use. Therefore, Conrad Gesner is considered the first person to invent the pencil.

Lazlo Biro is the correct answer because he is credited with inventing the first working ballpoint pen. Biro, a Hungarian-Argentinian journalist, developed the pen in the 1930s. His design incorporated a tiny ball bearing in the pen's tip that rotated as it moved across the paper, allowing for smooth and consistent ink flow. This invention revolutionized writing instruments and paved the way for the modern ballpoint pens we use today.

Plastic was invented in 1907.

The correct answer is 1927. This is the year when the first television was invented.

The correct answer is 1813. This is the year when the can opener was invented.

Alexander Bain is credited with inventing the fax machine. He was a Scottish inventor and engineer who patented the first fax machine in 1843. His invention used a rotating cylinder and a stylus to scan and reproduce images. This early fax machine laid the foundation for the development of modern fax technology. Alexander Graham Bell, on the other hand, is known for inventing the telephone. Alexander Hoofer and Alexander Turmoil are not associated with the invention of the fax machine.

Comte Mede de Sivrac is credited with inventing the precursor to the modern bicycle called the "Celerifere" in the late 18th century. This device consisted of two wheels connected by a wooden frame, and it was propelled by the rider's feet pushing off the ground. Although it lacked pedals, handlebars, and a steering mechanism, it laid the foundation for the development of the bicycle as we know it today.

The DVD was made in 1995.