How were Egyptian hieroglyphs deciphered?
Egyptian hieroglyphs were deciphered in 1822 by French scholar Jean-François Champollion, using the Rosetta Stone, which had the same text in three scripts.
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- Why is Bluetooth called Bluetooth?
“Bluetooth technology is named after Viking king Harald Bluetooth.”
Reference: Bluetooth SIG
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Did Vikings wear horned helmets?
Vikings didn't wear horned helmets. The idea comes largely from 19th-century opera costumes.
What are the different types of laptop batteries?
There are currently three types of batteries commonly used to run people's laptops:
1) Nickel Cadmium (Ni-Cd) batteries were the standard technology for years, but are now out of date.
2) Nickel Metal Hydride (Ni-MH) batteries are a cadmium-free replacement for Nickel Cadmium.
3) Lithium Ion (Li-ion) is the battery you want for your laptop and is the current standard for portable power.