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TV
In this modern world of ours there are many different types of tvs. They co me in all different shapes and sizes. There are plasma, tubes, and LCD. As time goes on the picture gets better and better from black and white tubes to nowadays high definition plasma and LCD.
The old
the old types of TVs are still going well the older TVs and made like some of the now a days tube TVs. the video below can explain it better then i ever can so enjoy
The new
The new tvs of today are quite cool. there new LCD TVs that just came off the line and there plasma too. Now plasma work a little different then the tubes, were the tube have a big glass tube the plasma have a thin plasma screen that does the same thing as the glass tube.
LIGHT bulbs
Light are an important part of every home they allows you to see inside were it is dark. Light bulbs have allowed biger building with small amount of windows. lights can shine thorough the dark. With larger building and longer work time the light bulb led the way for longer work weeks that increase the economy. Just by looking at a simple light bulb you can see part of how the 21st century was invited.
the old common one
the way these light bulbs work is having the energy flow thorough it.while the energy moves across the filament some of it get transformed in to light and heat.
the new save energy one
these bulbs are like the other ones but in stead of an filament, they have gases in them that when electric energy pass thorough them they glow.
MICROWAVES
they way microwaves work is by making a microwave that heats up water molecules in food as the water warms up it warms up the food