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Inventions

Find questions about how different mechanisms originated and the people who came up with the ideas and put them into reality.

42,133 Questions

What were Lonnie G Johnson the inventor siblings names?

Well, aren't you just a curious cat! Lonnie G. Johnson, the inventor of the Super Soaker, had three siblings with the names Tony, Carl, and Linda. So there you have it, straight from the sibling playbook!

There are three sources of resistance in a parallel circuit Two of them are rated at 20 ohms the other at 10 ohms What is the circuit's total resistance?

-- If the 20 ohms and the nother 10 ohms are configured in series, then the total

net effective resistance is 30 ohms.

-- If they are configured in parallel, then the total effective resistance is 62/3 ohms.

Who was James A Bauer - coin changer inventor?

Ah, James A. Bauer was a clever inventor who created a coin changer to help make transactions easier and more efficient. His invention allowed people to quickly receive the correct change, making their lives a little bit simpler. It's wonderful to see how innovation can make everyday tasks smoother and more delightful.

Who invented hypocaust?

The hypocaust system was invented by the ancient Romans. It was a form of central heating that circulated hot air beneath the floors and within the walls of buildings, allowing for efficient heating. The earliest known examples of hypocaust systems date back to the 1st century BC.

Facts about the spectroscope?

A spectroscope is an instrument used to analyze the properties of light, such as its intensity and wavelength distribution. It works by dispersing light into its component colors using a prism or diffraction grating. By examining the resulting spectrum, scientists can identify elements present in a sample, measure their concentrations, and study their physical and chemical properties. Spectroscopes are widely used in various fields, including astronomy, chemistry, and environmental science.

How does a dam release water?

Any modern dam has computer-controlled Gates which can be opened remotly by some switch/computer instruction .

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All dams have had release valves, or "sluices", built into them, irrespective of the mode of control. They are used to maintain flow in the river downstream during short dry spells, to flush out accumulated silt or to drain the reservoir for repairs.

Who is joseph h smith inventor?

Joseph H. Smith was an African American born into slavery who invented an improved version of the lawn sprinkler. He was not the first person to invent and patent the lawn sprinkler, but his sprinkler patents improved on the original idea. After creating his first sprinkler, he continued to improve it and patented a second version.

Why did Robert Flemming Jr invent the guitar?

Oh, dude, Robert Flemming Jr didn't invent the guitar, that credit goes way back to ancient civilizations. He did, however, invent the first electric guitar pickup in 1934, which was a pretty big deal for musicians wanting to rock out louder. So, yeah, he didn't invent the guitar itself, but he definitely played a key role in making it sound electrifying.

What would happen if the compass was never invented?

Well, honey, if the compass was never invented, we'd all be lost like a bunch of chickens with their heads cut off. Sailors would be sailing in circles, explorers would be wandering aimlessly, and Google Maps would be useless. So, thank your lucky stars for that little magnetic needle pointing us in the right direction.

When did Walter sammons die?

Walter Sammons, the African American inventor known for creating the hot comb, passed away on January 30, 1973. His invention revolutionized hair care for African Americans and contributed to the development of modern hair styling techniques. Sammons' legacy continues to impact the beauty industry to this day.

What is the difference between a complex machine and a compound machine?

A complex machine is a machine that has multiple simple machines working together to perform a task, while a compound machine is a machine that combines two or more simple or complex machines to perform a task. Essentially, compound machines are composed of multiple complex machines working in conjunction.

What awards did Benjamin Franklin Win?

He won the Copley Medal in 1732. He was the second person ever to be given that award. It was a very prestigious award, and given yearly for outstanding achivevments in any branch of science.

When did W D Davis invent the riding saddle?

William D Davis did not invent the saddle. The saddle had been around long before he was ever born. The misconception that he invented the actual saddle came about because he did invent a new type of saddle. His version of the standard issue cavalry saddle had extra springs in the seat and stirrup beds to aid in long journeys on hard trotting horses. However the saddle never really took off and even though it was patented it is not produced anymore.

What are the contribution of blaise pascal in physics?

Pascal invented the syringe

The hydraulic press

He meet his wife in a bar

Died of Tuberculosis

He died at the age of 39

He invented the calculator

Blaise Pascal was born one of three children on 19 June 1623

He was french

Where are four new inventions designs or ideas of the 1780s?

Four new inventions, designs, or ideas from the 1780s include the spinning jenny, a multi-spindle spinning frame that revolutionized the textile industry; the steam engine improvements by James Watt, which greatly enhanced the efficiency of steam power; the first manned hot-air balloon flight by the Montgolfier brothers in 1783, marking the beginning of modern aviation; and the discovery of oxygen by Joseph Priestley in 1774, which laid the foundation for modern chemistry and our understanding of gases.

When did Edison invent the long lasting light bulb?

It took Thomas Edison 1 year to invent the light bulb. In that year, he experimented with over 1400 different fibers until he tried cotton fiber. This light bulb could last over 1500 hours, unlike the very first light bulbs that could only last 40 hours.
1 year
Thomas Edison failed over 1,000 times before he was successful in creating the light bulb. It took Edison three years to complete the light bulb for is successful full scale test in 1882.

How do you pronounce Nicholas Jacques conte?

Oh, what a lovely name! To pronounce "Nicholas Jacques Conte," you would say it like this: "NICK-oh-luss zhahk CON-tay." Remember, it's all about speaking with kindness and confidence. Just like painting, practice makes perfect!

What simple machine is a pencil sharpener?

A pencil sharpener is a type of inclined plane simple machine. The blade inside the sharpener is positioned at an angle to the pencil, allowing for the application of force over a longer distance to produce a sharp point. As the pencil is inserted and turned, the inclined plane of the blade shaves away the wood and graphite, creating the pointed tip.

Who was john lee love married to?

Ah, what a lovely question. John Lee Love was married to a wonderful woman named Mary Love. Together, they shared a bond filled with love and support, just like the happy little trees in a beautiful landscape painting. It's so heartwarming to see the connections we make with others in this world.

Did Otis Boykin receive the Cultural Science Achievement Award?

There is no information to suggest that Otis Boykin received the Cultural Science Achievement Award. Otis Boykin was an inventor and engineer known for his work in resistors and other electronic innovations, but there is no record of him receiving this specific award.

Why did george edward alcorn invent the x-ray?

Well, friend, George Edward Alcorn did not invent the X-ray. The X-ray was actually discovered by Wilhelm Conrad Roentgen in 1895. It's important to acknowledge the contributions of different scientists in history, and it's wonderful to see your curiosity about inventors and their discoveries.

How much did a steam engine cost when it was first invented?

The cost of a steam engine when it was first invented varied depending on its size and purpose. In the early 18th century, a small steam engine could cost around £400 to £500, which was a significant amount of money at the time. Larger and more powerful steam engines used for industrial purposes could cost several thousand pounds. The cost of steam engines decreased over time as technology improved and production became more efficient.

Who invented the Chinese dragon backbone pump?

Ah, the Chinese dragon backbone pump, what a fascinating creation! While the specific inventor may be unknown, we can appreciate the ingenuity and craftsmanship behind such a device. Just imagine the dedication and creativity it took to develop such a unique and efficient tool. Let's celebrate the spirit of innovation that continues to inspire us today.

George Washington Carver first invention?

Oh, dude, George Washington Carver didn't just have one invention, he was like the peanut wizard! He came up with over 300 uses for peanuts, including peanut butter, oil, and even shampoo. So, like, his first invention was probably something peanut-related, but the guy was a total peanut pioneer.

What type of lotto machine is used for monday special in Ghana?

The type of lotto machine used for the Monday Special draw in Ghana is typically a mechanical draw machine. These machines are designed to randomly select numbers by mixing numbered balls inside the machine and then drawing them out one by one. This traditional method ensures a fair and transparent selection process for the lottery draw.