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Technology

The practical application of knowledge, especially in a particular area, is called technology. Advances in technology affect every area of our lives. This category is for questions about technology and includes everything from how to remove a scratch from a CD to applications of electronics to what polyester is made from and more.

35,090 Questions

What is the common use of helium?

some common uses of helium are to blow up a balloon

Answerto get high

to inhale and make your voice high lol
There are a few examples of the word helium. Things that are helium are balloons and lights.

Resistance is affected by a material's?

Resistance is affected by a material's resistivity, length, and cross-sectional area. Resistivity is an intrinsic property of the material, while length and cross-sectional area determine how much material the current must pass through.

What can you make out of thermoplastic?

to be honest with you i only know two things and that is you can make plug sockets and you can make a bath but i am very sorry about i don't know too much but i ope i have helped you

your sincerely Sarah

Which of these is an example of static electricity?

Rubbing a balloon on your hair to make it stick, or shuffling your feet on the carpet and receiving a shock when you touch a metal doorknob are examples of static electricity.

How can you tell aluminum is a metal?

Aluminum is a metal because it has properties characteristic of metals, such as being a good conductor of heat and electricity, having a shiny appearance, and being malleable and ductile. Additionally, aluminum is found on the left side of the periodic table, where most metals are located.

What is a fixed bed?

A fixed bed is a reactor system where the catalyst or other solid material is stationary and the reactants flow through it. The reactants come into contact with the fixed catalyst bed, undergo chemical reactions, and then exit the reactor. Fixed beds are commonly used in industrial processes such as catalytic cracking and hydrogenation.

What were the tools Dian Fossey used?

Dian Fossey used tools such as binoculars, cameras, notebooks, pens, machetes, and a compass for her research on mountain gorillas in Rwanda. She also relied on guides and trackers to navigate the dense forests and locate gorilla groups.

What is the thin coil of wire inside a light bulb called?

If you are talking about an incandescent light bulb then its called a filament. It is thin so that it has a high level of resistance. Current going through the filament causes it to heat up and give off EM radiation in the spectrum of visible light.

What is gasohol experiment?

A gasohol experiment typically involves comparing the performance and emissions of a vehicle using gasoline versus gasohol, which is a blend of gasoline and ethanol. The experiment aims to evaluate factors such as fuel efficiency, engine performance, and environmental impact to determine the potential benefits and drawbacks of using gasohol as a fuel source.

Who was the first person to discover cells?

Robert Hooke, an English scientist, was the first person to discover cells in 1665. He used a simple microscope to observe cork and described the box-like structures as "cells," which reminded him of monastery cells.

What is the impact that scientific research has on society?

Scientific research has a profound impact on society by advancing knowledge, driving innovation, and improving the quality of life. It leads to the development of new technologies, medical treatments, and solutions to pressing challenges, ultimately shaping the way we live, work, and interact with the world around us.

Is 4D real?

It depends on exactly what you mean by "4D". In relativistic gravity models, the has to be a 4th spacial dimension to be the direction space near a large mass is "curved in". In that sense, yes, it's real, and you can even experience it, even if you can't see it or point in that direction.

Also by relativity, time is simply a fourth dimension in addition to the three spatial ones we know about, and that one we can also experience.

Why the metals have more conductivity than paper wood or plastic?

The metals have more number of free electrons than that of paper wood or plastic which are insulating materials. And also in metals valence band and conduction band are overlapped whereas energy gap in the case of insulators is high there by conductivity of metals are more than the paper wood or plastic.

Do all metals melt at 1064 degrees C?

No, not all metals melt at 1064 degrees Celsius. Different metals have different melting points based on their atomic structure and bonding. For example, copper melts at 1084 degrees Celsius, while aluminum melts at 660 degrees Celsius.

What are some examples of surface waves?

Examples of surface waves include ocean waves, ripples on water, and ground waves that travel along the Earth's surface during an earthquake. These waves involve both vertical and horizontal motion at the boundary between mediums, such as air and water or air and land.

What are the effects of interference in radar?

Interference in radar can cause false echoes or targets to be missed, impacting the accuracy of the radar system. It can also degrade the signal quality, making it harder to detect and track targets. Additionally, interference can result in decreased range and detection capability of the radar system.

What does the vertical stabelizer generate on an aircraft?

The vertical stabilizer generates stability and helps maintain directional control during flight by preventing the aircraft from yawing or swaying off course. It also houses components such as the rudder, which is used to control the aircraft's yaw movements.

Which types of sedementary rock consider as reservoir rock?

Sandstone and limestone are commonly considered as reservoir rocks for hydrocarbons. These rocks have high porosity and permeability, allowing them to hold and transmit oil and gas. Other sedimentary rocks like shale can also act as reservoirs under certain conditions.

How do you use compressed air?

compressed air are used in so many applications. eg., SOV uses compressed air in industries. wherever air pressure is needed, we use compressed air. from the compressor the air is stored in a storage tank and from there it will be distributed thru pipe line.

How much natural gas is used in the world each year?

Three thousand billion cubic meters. That is, I think, about 3 trillion cubic meters per year. Not necessarily used, but pumped out of the earth. My source is a History Channel documentary, so not 100% sure of its accuracy.

Is metal flexible?

Generally, metals are not very flexible compared to materials like rubber or plastic. However, some metals, such as aluminum and copper, can be manipulated to be more flexible through processes like rolling or stretching. These metals are often used in applications where flexibility is important.

Why are gamma waves dangerous?

Gamma waves are able to ionize atoms, including the ones within your body. Gamma rays wavelengths are small enough so they're able to travel through most matter. There's a slight chance that this radiation will ionize atoms within your cells and cause mutations within your DNA, therefore affecting the entire cell and when multiplying may lead to cancer.

What is a dummy arrow?

A dummy arrow is a practice arrow that is used for training purposes. It is typically made of a durable material like plastic or rubber and does not have a sharp point or cutting edge. Dummy arrows are used to help archers practice their technique without causing harm or damage.

What is the classification of kalium durule?

Kalium durule is classified as a potassium supplement. It is often used to treat or prevent low levels of potassium in the blood, known as hypokalemia.

How does the brain interpret loudness?

The brain interprets loudness based on the intensity of sound waves that reach the ear. The ear converts sound waves into electrical signals, which are then transmitted to the brain. Different regions of the brain process these signals and interpret them as varying levels of loudness.