The Assyrian Nimrud Lens
The Nimrud lens, a 3,000-year-old rock crystal discovered in 1850 at the Assyrian palace of Nimrud, is a fascinating ancient artifact. Roughly oval and with a focal length of 12 cm, it functions as a 3× magnifying glass, though its exact use is debated. Some believe it was a magnifying glass or burning-glass, while Italian scholar Giovanni Pettinato proposed it could have been part of an early telescope. This challenges the conventional belief that the telescope was invented by Hans Lippershey in 1608, suggesting that ancient civilizations may have had advanced knowledge of astronomy.
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Valentina 10 month s ago
#40 Early SONAR maybe but not RADAR.
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Frederick 10 month s ago
Valentina,
When there is drama in the Café. My Wife goes like this.
When there is drama in the Café. My Wife goes like this.
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Derrick 10 month s ago
#21 man I don't know what kind of cars have you had since but practically all cars have that option for the past twenty years.
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Beedy 10 month s ago
Derrick,
twenty, not thirty-five.
twenty, not thirty-five.
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Dacey 10 month s ago
#12 Can anyone date this photograph?
Thanks in advance!
Thanks in advance!
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Beedy 10 month s ago
Dacey,
it's a handsome photograph, I'll give it that, but for now I'd rather date women, thanks.
it's a handsome photograph, I'll give it that, but for now I'd rather date women, thanks.
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Dotty 10 month s ago
#9 Tesla fanboys will believe anything. That idea of electricity through the air is dangerous and so busted. 
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Gerrie 10 month s ago
Quote: Dotty
Chatty Cathy
You're assuming that all frequencies of microwave radiation are dangerous. Tesla lived to a 86 years, despite his exposure to it. Cell phone towers use microwave frequencies.
When there is drama in the Café. My Wife goes like this.
twenty, not thirty-five.
Thanks in advance!
it's a handsome photograph, I'll give it that, but for now I'd rather date women, thanks.
You're assuming that all frequencies of microwave radiation are dangerous. Tesla lived to a 86 years, despite his exposure to it. Cell phone towers use microwave frequencies.