#640,790 for the "Fly-Killer". It was invented to raise public

awareness of the health issues caused by flies. A flyswatter is

ideally lightweight and stiff, allowing quick acceleration to overcome the fast reaction time of the fly (six to ten times faster than a human), while also minimizing damage caused

by hitting other objects.

Fouad Bashar 7E

Charles Babbage introduced the Computer in 1822 but was not built until 1991. Early computers were meant to be used only for calculations. Simple manual instruments like the abacus have aided people in doing calculations since ancient times. Early in the Industrial Revolution, some mechanical devices were built to automate long, tedious tasks, such as guiding patterns for looms.

https://photos.app.goo.gl/ccF48Q9tTQjmqGzT9

1. Invention: The telephone is an invention that revolutionized communication. It allows people to transmit voice signals over long distances.

2. Inventor and Date: The telephone was invented by Alexander Graham Bell in 1876. Bell, a Scottish-born scientist and inventor, is credited with the invention of the telephone.

3. Main Purpose: The main purpose of the telephone is to facilitate instant voice communication between individuals who are physically distant from each other.

4. Reason for Invention: Alexander Graham Bell was motivated to invent the telephone by his desire to improve communication. He wanted to create a device that would transmit sound electronically, enabling people to communicate over long distances more efficiently and effectively.

5. Impact on Society and People's Lives: The invention of the telephone transformed society and revolutionized communication. It made it possible for people to connect with each other across great distances, overcoming the limitations of physical presence. The telephone facilitated faster and more direct communication, leading to increased efficiency in business, commerce, and personal interactions. It brought people closer together and enabled the exchange of information and ideas on a global scale. The telephone has since evolved into various forms, such as mobile phones and smartphones, further enhancing connectivity and shaping the way we communicate in the modern world.

   
   

• The invention of gunpowder was and is a significant event in human history as it has shaped the styles of warfare at the time while resulting in massive political and cultural change in Europe. Song military engineers found gunpowder to be helpful in siege warfare, leading to the development of early types of rockets, cannons, bombs, and mines

Gunpowder is an explosive mixture of saltpeter, sulfur, and charcoal.

•Gunpowder has been used for numerous purposes throughout history, including in firearms, explosives, and fireworks. Gunpowder revolutionized how wars were fought and changed weaponry forever.

The invention of the wheel is undoubtedly one of the most significant developments in human history, with profound impacts on civilization. Top of Form

The invention of the wheel is believed to have occurred around 3500 BCE in ancient Mesopotamia (modern-day Iraq). However, it's essential to note that the wheel was not a single invention by a specific individual but rather a gradual development over time.

The earliest known wheels were not used for transportation but rather for pottery making. Pottery wheels were used to shape clay into vessels, and it is thought that the concept of the wheel for transportation originated from observing these spinning wheels.

The earliest evidence of wheeled vehicles for transportation comes from around 3000 BCE in Mesopotamia and the Indus Valley Civilization (modern-day Pakistan and northwest India). These early wheeled vehicles were likely simple carts with solid wooden wheels.

While we don't know the names of the specific individuals who invented the wheel, its development was undoubtedly a result of the ingenuity and innovation of ancient peoples in various parts of the world.

The invention of the wheel likely arose out of the need to transport heavy loads more efficiently. Before the wheel, humans relied on dragging or carrying heavy objects, which was labor-intensive and limited the quantity and distance of goods that could be moved.

The wheel made it possible to transport goods more easily by rolling them along the ground. This reduced friction and allowed for the movement of heavier loads over longer distances with less effort. Additionally, the wheel facilitated the development of wheeled vehicles like carts and wagons, which further improved transportation capabilities.

In addition to transportation, the wheel also had other applications, such as pottery making (with the invention of the pottery wheel), which contributed to its development and adoption in various cultures.

Overall, the invention of the wheel was driven by the practical need to overcome the limitations of manual labor and to improve the efficiency of transporting goods, leading to significant advancements in human civilization.