Technology
| Printers spy on you:
Printer manufacturers print invisible yellow dots, so that if you try to print fake money, it will be easily detected.
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| Camcorders that see through clothes?:
In 1998 Sony sold 700,000 camcorders with night vision that if used during the day with UV filter, it could catch light that bounced from the skin of a person rather than their clothes. This resulted in a camcorder that could see through people's clothes. Of course, when Sony found out about this, they fixed the cameras.
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Technology
| Human skin printers:
It is possible to print human skin. The process is as follows: doctors take skin cells and multiply them. Then a technician would enter the measurements of the patient's wound and feed the cells into the printer. Then the skin is printed on a scaffold which is then attached where the wound is.
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| Technology
| The first domain:
The first domain name ever registered on the Internet was Symbolics.com on 15th of March, 1985.
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Technology
| The most expensive domain:
Business.com is the most expensive domain ever sold according to the Guiness Book of World records. The domain created in 1998 was resold in 1999 for $7,500 million.
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| Technology
| Microsoft Windows:
In Microsoft Windows, you can't create a folder with the name con. The reason for this is that this name is reserved for a special device that reads everything printed on the screen. Other forbidden names are lpt1, lpt2, com1, com2, prn, and more.
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Technology
| How many bytes?:
One terabyte (roughly 1000 GB) of information is for example 50,000 trees made into paper and printed. 2 petabytes (2 x 1000 TB) is the estimated capacity of the human brain. All words spoken ever by human beings is estimated to 5 exabytes (5 x 1000 PB). Click here for the whole article.

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| Technology
| Apollo 12:
Apollo 12 was hit by lightning 36.5 seconds after lift-off.

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Technology
| CD:
When Phillips and Sony developed the Compact Disc in 1970s, they specifically set the length of the CD at 74 minutes, so all of the Beethoven's 9th Symphony(72 minutes) can fit in.
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