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A Brief History of the World’s First Planetarium

Cars That Think

The use of models to show the movements of the planets and stars goes back centuries, starting with mechanical orreries that used clockwork mechanisms to depict our solar system. ZEISS Archive At first, Bauersfeld focused on projecting just the sun, moon, and planets of our solar system.

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Generating Power on Earth From the Coldness of Deep Space

Cars That Think

On the rooftop of a quiet building, a set of panels cools the rooms within and keeps the lights on, removing heat and generating electricity using the coldness of the sky. That cold isn’t in the air around the building—the night is warm. Consider solar radiation, which carries heat from the sun to Earth’s surface.

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Duke study finds China’s synthetic natural gas plants will have heavy environmental toll; 2x vehicle GHG if used for fuel

Green Car Congress

Coal-powered synthetic natural gas (SNG) plants being planned in China would produce seven times more greenhouse gas emissions than conventional natural gas plants, and use up to 100 times the water as shale gas production, according to a new study by Duke University researchers published in the journal Nature Climate Change. —Robert B.

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A New Wildfire Watchdog

Cars That Think

sensor units mounted on buildings to stream data via Wi-Fi to Web-based mapping programs. Sensors that mount on buildings can just plug into a wall outlet. If the power source is limited in capacity, such as a battery, or in availability, such as a solar panel, the computer also monitors and manages power consumption.

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Science Fiction Short: Hijack

Cars That Think

So IEEE Spectrum is making one of its occasional forays into science fiction, with a short story by Karl Schroeder about the unexpected outcomes from building a computer out of planet Mercury. This strategy would also make it easier to harvest solar energy. They sent you to acknowledge the Uploaded, is that it?”

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With this Ruby Laser, George Porter Sped up Photochemistry

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student in chemistry at the University of Cambridge in 1945, he found the equipment there “remarkably primitive,” as he told an interviewer in later life. George Porter’s flash of insight at a lighting factory On a trip to collect a mercury arc lamp for the searchlight, Porter saw flash lamps being made at a Siemens factory.

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Inside the Universe Machine: The Webb Space Telescope’s Trailblazing Optics

Cars That Think

Build something that will absolutely, positively work.” This was the mandate from NASA for designing and building the James Webb Space Telescope—at 6.5 Its mission is to study the infrared universe, and that requires shielding the telescope and its sensors from both the heat of sunlight and the infrared glow of Earth.

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