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WATCHES
Made from stone, which then moved on to tiny metal capsules, to watches with flat thick faces, to thin and sleek with decorative features, to digital watches. Now these digital watches can tell time at the same time count steps and monitor our heart rate. These digital watches have touch screen options and can serve as a mobile phone. (et. apple watch has a calling function.)

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What people used to cook

Cow Dung
Wood
Charcoal
Gas stove
Induction stove

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hi its eleanor, beatrice,erica and elena

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hi its eleanor, beatrice,erica and elena

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Trains have changed throughout the years. From steam engines to monorails.

History of the modern trains spans the range of last two hundred years of modern human civilization, who in that time used this incredible discovery to drastically change industry, human expansion, and the way we travel on daily basis.

From the first time steam train rolled over the railways of industrial England in early 1800s to the modern times when bullet trains carry thousands of passengers with incredible speeds and freight train carry substantial amount of worlds goods, trains enabled us to develop our civilization with unexpected consequences that nobody expected.

Today, trains are used in variety of ways – from small city trams, subway electric trains, distance trains (equipped with dining cars and sleeping quarters for longer journeys), freight trains, to high-speed bullet trains that can reach speeds of 300-500 kilometers per hour. However, their history started with much simpler and slower designs. Even before steam engines arrived, ancient civilizations of Greece and Egypt and industrial Europe (1600s -1800s) used horses as primary sources of driving simple train cars. With purposefully built train tracks that enabled journey in only two directions, horses or bulls needed to waste minimal amount of force while pulling coal, iron and other goods.

Arrival of first non-condensing pressurized steam engines in first few years of 19th century enabled engineers to build new kind of railway system and train cars – trains that were built to carry much more materials than ever before.

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- TV( Television )
50 Years ago, the television was very bulky and FAT and heAvy. Now, the television is very flat and skinny and light in weight.

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COMPUTERS
- first generation computers bore little resemblance to computers of today, the inner workings of the computers at that time were unsophisticated the early machines required magnetic drums and vaccum tubes that worked as switched and amplifiers. computer users can now expect even faster and more advanced computer technology, the current computer has more abilities and is no longer the " bulky box " you would have seen people struggling to carry around in the olden days

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Camera
first camera:
-  The first camera was invented in 1685 but was used only in 1814.
- They were big in size and took about eight hours to process one photo/drawing
- The first camera was a camera obscura, this flipped the image outside a hole in the box for a person to trace.
- The process was called proto-photography

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airplanes
Back then, airplanes were small and hold very little passengers compared to the airplanes now. The airplanes now can travel faster and further than the airplanes in the past.

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wAtEr BoTtLeS:
insulated water bottles are the stainless steel water bottles that are designed to be vacuum sealed and therefore can retain heat or cold temperatures no matter the temperatures of the surroundings. Regular water bottles, on the other hand, include plastic water bottles, aluminium water bottles and generally the disposable water bottles. These bottles do not have the abilities of the insulated water bottles and have various components that are considered unsafe for human consumption in them. It is therefore important to discuss insulated water bottles vs. regular water bottles and see how they relate in terms of cost, materials, chemicals involved and ability to retain heat.