When I visited North Carolina last month, your highways rocked. Lots of plants and flowers lining the whole road, trees so thick you can't see buildings on either side...Here in Utah you're lucky if sagebrush is growing by the highway.
Not all of them, actually. There was still a analog switching station vulnerable to phreaking operating in Minnesota until 2006. There's still phreakable switching stations in much of South America, and cell phreaking is growing rapidly.
Phreaking, though he was just an enthusiast (albeit a famous one), not a real phreaking pioneer. His Blue Box is on display, in the Smithsonian, I think. Wiki here: Phreaking
Peltiers need lots of power to cool efficiently. Traditional refrigeration is a lot more efficient--for example, you hook a 70W Peltier cooler up to a computer processor, and you'll start getting idle and load temps around 0C. You hook a similar refrigeration system up, and you'll get load temps of -40C to -80C. An industrial refrigeration system is even more efficient.
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When I visited North Carolina last month, your highways rocked. Lots of plants and flowers lining the whole road, trees so thick you can't see buildings on either side...Here in Utah you're lucky if sagebrush is growing by the highway.
Not all of them, actually. There was still a analog switching station vulnerable to phreaking operating in Minnesota until 2006. There's still phreakable switching stations in much of South America, and cell phreaking is growing rapidly.
Phreaking, though he was just an enthusiast (albeit a famous one), not a real phreaking pioneer. His Blue Box is on display, in the Smithsonian, I think. Wiki here: Phreaking
Peltiers need lots of power to cool efficiently. Traditional refrigeration is a lot more efficient--for example, you hook a 70W Peltier cooler up to a computer processor, and you'll start getting idle and load temps around 0C. You hook a similar refrigeration system up, and you'll get load temps of -40C to -80C. An industrial refrigeration system is even more efficient.