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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

Why do electric fences hurt?

The violent reaction to the skin touching a fence reinforced with electricity is due to the sudden heat given from the electrical current warming the skin to very hot levels, causing burning and related. In addition, the electrical current tends to disrupt the current given in the neural system of the human body, causing in some cases temporary or permanent lack of movement within the body part that interacted with the electric fence, depending on the time taken 'touching' the current. A note to consider is that the current will require an exit point once it moves into the body, causing burning not only at the entry but at an exit, usually onto the other hand or some other small body part the points into the direction of the current.

A2. Remember that transmission via nerves is by an electro-chemical process, and that particular nerves are specialized for particular function. A heat detecting nerve does not sense touch, a light sensitive nerve does not detect sound.

But all nerves may be energized by electricity, so you'll feel pain from an electric shock. If the electric shock touched the head, you'd likely also hear sound and see a flash, even though neither actually occurred. The nerves of those systems were energized.

How do you set a clock?

To set a clock, locate the time-setting buttons or dial on the clock. Press and hold the button while adjusting the time using the appropriate increments (hours and minutes). Once set, release the button to save the new time setting.

Why is Moore's law important?

Moore's Law is named after Intel co-founder Gordon E. Moore, who described the long term trend (that the number of transistors that can be placed inexpensively on an integrated circuit doubles approximately every two years) in his 1965 paper. The paper noted that the number of components in integrated circuits had doubled every year from the invention of the integrated circuit in 1958 until 1965 and predicted that the trend would continue 'for at least ten years'.

His prediction has proved to be accurate, in part because the law is now used in the semiconductor industry to guide long-term planning and to set targets for research and development.

  • The capabilities of many digital electronic devices are strongly linked to Moore's law: processing speed, memory capacity, sensors, and even the number and size of pixels in digital cameras. All of these are improving at roughly exponential rates as well. This exponential improvement has dramatically enhanced the impact of digital electronics in nearly every segment of the world economy.

What is the definition of science and its branches with their meaning?

science=the study of knowledge chemistry=the study of matter physics=the study of matter in relation to energy and nature biology=the study of living organisms astrology=the study of (outer)space

What are the 6 target characteristics of radar?

The six target characteristics of radar are range, velocity, azimuth, elevation, size, and radar cross section. Range refers to the distance of the target from the radar system, velocity represents the speed of the target, azimuth and elevation specify the target's horizontal and vertical angles, size indicates the physical dimensions of the target, and radar cross section is a measure of how well the target reflects radar signals.

How will you explain smoke?

depends on the quantity, the type, situation in place, the purpose, what motivates, might mean, somesort of friction, the lost of something, the transformation of something, a way to comunicate, a way to keep the peace, it might be an abuse, a catastrophe, it might be holly, speculation, we must know it´s origin.

it might be the only way

rua de goa nº21 caxias 2760 caxias - portugal

00351968453246 tele

00351214432446 general

aged thirty 2 , 77kg MOOVE

Is the jet drive considered as surface drive?

A jet drive is not considered a surface drive. A surface drive uses a propeller that operates partially above the water surface, providing high speed and efficiency. In contrast, a jet drive uses a water pump to propel water out of the back of the vessel, making it ideal for shallow water navigation.

What do bytes take the form of?

A byte (in computer terminology) is equal to 8 bits. A bit is a single binary number (0 or 1). Therefore a byte takes the form of 8 of the smallest pieces of data stored by a computer.

Why does people study metals?

People study metals for many reasons. Metals can be used to build structures and other goods such as cars, furniture and pieces of technology. Metals are also studied for their many properties such as ability to conduct electricity and also for their strength and radioactive properties.

How much weight does a gallon of air hold up in water?

It is roughly the same as the weight of a gallon of water, because the bouyancy force is equal to the weight of water displaced (the weight of the air being negligible). A UK gallon of water weighs almost exactly 10 pounds, while a US gallon weighs about 8.35 pounds.

How is thermal energy converted to other forms of energy?

Thermal energy can be converted to other forms of energy through processes like thermoelectric conversion, where temperature differences create electric voltage, or through thermodynamic cycles like steam turbines, where heat is used to produce mechanical work. Additionally, thermal energy can be converted to chemical energy through processes like combustion or chemical reactions.

Where does a photometer is used?

A photometer is used to measure the intensity of light or other electromagnetic radiation. It is commonly used in photography, astronomy, and environmental monitoring to quantify the amount of light present in a given area or to determine the brightness of objects.

Is there such a thing as cold energy?

There is no specific form of energy called "cold energy." Coldness is the absence of heat energy rather than a separate type of energy. Temperature is a measure of the average kinetic energy of particles in an object or substance, so when something feels cold, it means that it has a lower temperature compared to its surroundings.

Should a mouse weigh four ounces or four pounds?

A mouse should weigh around 0.5-1 ounce, not four ounces or four pounds. If a mouse weighs four ounces, it may be overweight and if it weighs four pounds, it would be extremely obese.

How do you make bubbles when you are idle?

To make bubbles when idle, you can mix water and dish soap in a container, then dip a bubble wand into the mixture and blow gently to create bubbles. You can also use household items like straws or even your hands to blow bubbles if you don't have a bubble wand.

How do fabric dyes work?

Fabric dyes work by chemically binding color molecules to the fibers of the fabric. This creates a permanent or semi-permanent color change. The dyeing process involves methods such as immersion, direct application, or printing to transfer the color onto the fabric.

What is the function of proximity sensor?

A proximity sensor is designed to detect when something comes into a given range of the object in which it is installed. For example, car manufacturers are beginning to use proximity sensors in car bumpers to aid drivers in parallel parking. When a vehicle is maneuvering and comes near another parked car, it gives off a warning.

In naval warfare, submarines fire torpedoes which are wired with a proximity fuse which will detonate the payload when the weapon gets near the target.

What is inside an air hockey table?

Under the playing surface is a system of fans to circulate air. The playing surface itself has tiny holes which allows the air to escape evenly, providing a constant 'cushion' for the puck to ride on.

What are the ways of charging materials?

Materials can be charged through processes such as electrostatic charging, induction charging, or contact with a charged object. These methods involve transferring electrons to or from the material to give it a net positive or negative charge.

How can liquids change into solids?

Liquids change into solids through a process called solidification or freezing. When liquids are cooled below their freezing point, the particles within the liquid slow down and the attractive forces between them cause them to arrange into a more ordered structure, forming a solid.

How does a cartridge work?

How does cartridge work? well lets say a cartridge game console for example, you have a circuit board with all the electronics then, the bit with the game on it is the missing bit, it is the separated bit of the circuit so u can have different information (eg game) so a cartridge is a piece of the circuit witch can have different information (before disc's came out they instead of them)

What are PV cells and what are they used for?

PV cells, or photovoltaic cells, are devices that convert light energy directly into electricity using the photoelectric effect. They are commonly used in solar panels to generate electricity from sunlight. PV cells are used to power a wide range of devices, from calculators to homes to spacecraft.

Is the study of molecules and structures whose size range from 1 to 100 nanometers?

The study of molecules and structures within the size range of 1 to 100 nanometers is known as nanotechnology. Nanotechnology involves manipulating materials at the atomic and molecular level to create new products and systems with enhanced properties. This field has applications in various industries, including medicine, electronics, and energy.

What are the names of pictures that move?

Pictures that move are called GIFs (Graphics Interchange Format) or videos. They can be used to add motion and visual interest to digital content.

Can plastic deflect bullets?

Plastic is not an effective material for deflecting bullets as it does not provide sufficient resistance or strength to stop a bullet's force. Bullets can easily penetrate through most types of plastic materials. Specialized bulletproof materials like kevlar, aramid fiber, or composite ceramics are used to deflect or stop bullets effectively.