The solution to our energy problems is … a toaster - Rachel Yang
Learning Stats
سطح CEFR
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سختی
زیرنویسها (75 segments)
DownloadIn 1919, American mechanic Charles Strite
invented something humanity had desired for millennia:
the automatic toaster.
Various cultures had long toasted their bread over fire
in a process that required constant attention and produced uneven results.
But in 1905, toast technology evolved with the invention
of a new nickel and chromium composite.
When an electric current ran through these filaments,
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Key Vocabulary (21)
The invisible mixture of gases that surrounds the Earth and which humans and animals breathe. It also refers to the open space above the ground or the general atmosphere of a place.
An industrial is a company involved in the manufacturing of goods, such as machinery, equipment, or supplies. In finance, it specifically refers to a share or stock in such a manufacturing company.
tall
"High mountain."
The practical application of scientific knowledge to solve problems or invent useful tools and systems. It encompasses everything from simple hand tools to complex computers and machinery used in modern industry.
A primary food staple made from flour or meal that is moistened, kneaded, and baked. In a broader sociopolitical or academic context, it often symbolizes basic sustenance, livelihood, or the fundamental requirements for human survival.
A place where goods are sold to customers, typically a building or a dedicated area within one. It can range from small local shops to large department buildings selling many types of products.
"There's a new clothing store opening next week."
A device that stores chemical energy and converts it into electrical power to run electronic devices. It is commonly found in objects like mobile phones, remote controls, and cars.
"The battery is important."
A toaster is a small electrical kitchen appliance designed to brown slices of bread by exposing them to radiant heat. It typically has slots where bread is inserted and pops up automatically when the toasting process is finished.
"The toaster is important."
The system or equipment used to keep a building or house warm, especially during cold weather. It also refers to the process of making something hot or increasing its temperature.
"The heating is important."
Heat refers to the quality of being hot or having a high temperature. It is commonly used to describe the warmth from the sun or the atmosphere during summertime.
"The heat is important."
A fossil is the remains or trace of a plant or animal that lived a very long time ago, preserved in rock. It helps scientists understand how life on Earth has changed over millions of years.
Energy is the power that comes from things like electricity, coal, or the sun to make machines work or provide heat. It also describes the physical and mental strength that people have to be active and do things.
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