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1.
Valentina 10 month s ago
#40 Early SONAR maybe but not RADAR.
       
0
2.
Frederick 10 month s ago
Valentina,

When there is drama in the Café. My Wife goes like this.
       
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3.
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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4.
Beedy 10 month s ago
Derrick,

twenty, not thirty-five.
       
0
5.
Dacey 10 month s ago
#12 Can anyone date this photograph?
Thanks in advance!
       
1
6.
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.
       
-4
7.
Dotty 10 month s ago
#9 Tesla fanboys will believe anything. That idea of electricity through the air is dangerous and so busted. sm_80
       
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8.
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.
       
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sm_80tonguevishenka_33vomitwassat
yahooshoot

Leonardo Da Vinci's Tank

Leonardo da Vinci is well known for his various talents that included painting, sculpting, astronomy, botany and cartography as well as a flair for the sciences. He was also an inventor who crafted or conceptualised a multitude of designs for tech well beyond its time. Some of these concepts included things like the parachute and an early helicopter. Considering he was doing this back in the 16th century (he was born in April 1452) it was a staggering feat indeed. One of these visions of future tech included a fighting vehicle that was essentially a modern tank inspired by a turtle's shell. The design for this tank included a call for reinforced metal plates to protect the occupants, slanting sides to deflect enemy fire and an array of light cannons. It could barely be built at the time, but was an interesting vision of the future of warfare.

 

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Revolutionary Inventions From The Past
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