http://youtu.be/EJs60PK7Dbo
Everything changes over time. With every new day, our world gets enriched with new technologies; familiar objects acquire new functions and unexpected add-ons. More often than not, we find it impossible to guess what those things used to look like when they were first invented. Here are some amazing examples of how progress not only simplifies our everyday life but also transforms it beyond recognition!
TIMESTAMPS
TV sets 0:51
Sunglasses 1:23
Digital cameras 1:56
Toilet paper 2:25
Washing machines 3:01
Socks 3:28
Drills 3:55
Baby monitors 4:23
Life jackets 4:48
Roller skates 5:12
Calculators 5:44
Tampons 6:16
Hard drive 6:44
SUMMARY
– The first mass production of televisions was set up in Germany in 1934. A large wooden box with a tiny screen and fuzzy picture used to cost the buyer $445 (equivalent to nearly $7,000 today).
– The first sunglasses were meant to protect you not from the sun but from so-called “snow blindness.” Residents of the Far North used to make them entirely of wood, bone, or other nontransparent material, leaving narrow slits for the eyes: this helped to preserve one’s vision when snow surfaces became blindingly reflective.
– But, back in 1975, you would’ve had to use a device weighing 8 lbs (or 3.6 kg), fitted with a cassette player. Incidentally, this first digital camera was powered by 16 batteries!
– Paper first began to be used for sanitary and hygienic purposes in China, circa 589 AD. However, toilet paper only started to be produced commercially in 1857.
– The first washing machine was patented in 1851. It only vaguely resembled modern devices and had to be operated by using a hand-crank.
– Socks first appeared in Egypt as far back as the 3rd century AD. The strange gap between the toes is explained by the fact that Ancient Egyptians used to wear their socks with sandals.
– One press of a button and your work is done! This is how using a drill looks today. But long before the electric drill was invented in the mid-19th century, manual drills were in use in Ancient Rome.
– Today’s moms can feel at ease knowing that their babies are safe and sound — even when they happen to be in another room. All thanks to baby monitors, which now come not just in audio but in video format.
– A life jacket is one of today’s most widely used types of rescue equipment in the world. But this was not always so.
– The first mention of roller skates dates all the way back to 1743, but those contraptions hardly resemble the designs so popular today (in fact, they were almost impossible to use).
– The first calculators (known as arithmometers) could only perform 4 functions: addition, subtraction, multiplication, and division. Besides, the quality of the calculations depended not on the device but on the accuracy of the person who performed them.
– Women have been using tampons since ancient times, but those early variations were a far cry from the hygiene products found on store shelves today.
In different cultures, tampons used to be made of papyrus, wool, paper, or fern and were often fastened in place with bandages.
– 60 years ago, the first hard drive was presented to the public. It weighed over 14 lbs (or 6.35 kg) and had only 5 MB of memory. Today even the simplest cell phones, which weigh about a dozen ounces, can store 10 times more data!
#inventions #thingschanged
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