List of devices

Man-made devices, both manual devices and electrical appliances, past and present.

Subcategories: Lights (40)

Showing 101-120 of 184

A microwave oven, or just a microwave, is an appliance that heats food using microwave radiation. The microwaves heat the water inside the food, so food cooks very fast in a microwave oven.
Microwave ovens cannot brown food like an ordinary oven can, and can't be used for cooking all kinds of food. Some microwaves are combination and also have some ordinary heating elements in them too.

M is for Mill

Mills are places or devices where some kind of raw material is turned into something more useful. There are many different kinds of mills. Older mills usually consist of a large, heavy millstone which is turned either by the power of flowing water or by the wind, hence the commonly seen windmills.
Mills might be used to grind grain into flour, press olives into oil, process cotton into cloth, or even for processing lumber in a sawmill.

M is for Millstone

A millstone is a very large, heavy, round stone that was used to grind things up inside a mill. Modern mills are highly mechanized, so used millstones tend to be set out on display like the one in the picture.

M is for Mirror

A mirror is something that lets you see your reflection. You can use a mirror so you can see yourself brushing your hair, or to see behind you when you are driving a car.
Not all animals know that their reflection is them, the only animals that do know are elephants, chimpanzees, dolphins, magpies and orangutans.
A mobile phone, cell phone or just a mobile, is a type of telephone that doesn't need to be plugged into a phone jack. They are small, and can fit into your pocket and carried anywhere. Mobiles can be used to communicate via talking or sending pictures, text or video to anywhere in the world. Today, almost everyone has a mobile phone.

M is for Modem

A modem is a device that transmits data over telephone or cable lines. You connect to the internet using a modem.

M is for Mold

A mold is a hollow form. When you fill up a mold with something like molten metal or plaster, let it set and then remove the mold, you have a solid shape that matches the shape of the inside of the mold.
Mold is also an alternative spelling for mould.
The mold in the picture is for a an octopus.
A computer monitor is a device that is used for displaying information from a computer. Modern monitors tend to be quite wide, and also quite thin from front-to-back, so they take up less space on your desk.

M is for Motor

A motor is a device that powers a car, truck or other machine and makes it move.

M is for Mousetrap

Mousetraps are small devices designed to catch mice. There are many different designs of traps, but all rely on using some kind of bait and a trigger mechanism that causes something to move very quickly and either catch or kill the mouse.
Larger versions of mousetraps are available for catching rats.
Neon lights are a kind of light that make bright, colored light. They use gas inside a tube plus electricity to glow.

You may see neon lights on signs for shops and shows. Because they are made from long, thin tubes, they are most often used to form writing or outlines of pictures.

N is for Night light

A night light is a small lamp that gives off a soft, gentle glow. They are usually used in children's bedrooms or hallways, to help children who might be scared of the dark, or to help people see enough to not bump into furniture and walls at night.

O is for Odometer

An odometer is a device that is used for measuring how far you have traveled. Odometers are usually fitted inside cars and other vehicles.

O is for Oil lamp

An oil lamp is an old fashioned lamp that makes light by burning oil. It has a small container for the oil and a wick, usually made of cotton, that sits with one end in the oil and the other sticking out through a holder. The oil that has soaked into the wick burns to make light. Oil lamps were used for thousands of years before electric lighting.

O is for Orrery

An orrery is a model that shows the movements of planets and moons around the Sun. It uses small model planets and timed moving parts to represent objects in space. Orreries are often found in museums, classrooms or science centers, where they help people learn about the solar system. They might be battery powered, clockwork or you turn a handle to move the parts.

O is for Oven

An oven is a container that is made very hot by fire or some other heat source. More modern ovens have a door that closes tight and a very evenly regulated temperature.
Ovens are used to cook food, most commonly baked goods like bread and pies and to roast meat or vegetables.
A paddle is a hand-held device that you push backwards through the water to make a boat or canoe move forward.

P is for Padlock

A padlock is a type of lock that is designed to go through two loops, like the two parts of a gate latch or two links of a chain. Padlocks are small and portable and are commonly used to lock sheds or lock up bicycles.

P is for Parachute

A parachute is a large piece of fabric you attach to yourself if you know you are going to fall a very long way and want to land safely. Parachutes slow down the speed of your fall by creating drag.
Parachutes are used by skydivers, to slow down racing cars and space shuttles, and for dropping supplies to stranded people from a plane so the supplies don't break on the way down.

P is for Parasol

A parasol is a kind of smaller umbrella that is designed to keep off the sun rather than the rain.