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Study finds power law scaling relationship between urban population and NO2 pollution

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The approximate linear relationship for each region is notable, suggesting that the dependence of urban NO 2 pollution upon population follows a power law scaling with population. for China, reflecting regional differences in industrial development and per capita emissions. Credit: ACS, Lamsal et al. Click to enlarge.

Pollution 261
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Satellite method provides insight into ozone-NOx-VOCs sensitivity for different locations

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Both are represented in the study by a major gas of each type, the VOC formaldehyde and NO 2 , that are measureable from space by the Dutch-Finnish Ozone Monitoring Instrument aboard NASA’s Aura satellite, launched in 2004. Credits: NASA’s Earth Observatory /Josh Stevens.

Ozone 150
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Volvo Car outlines technological future: new Scalable Platform Architecture and focus on four-cylinder engines; Concept You

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In addition to the industrial benefits of common vehicle architecture there are also significant product related advantages such as weight; electrification; driving dynamics; design proportions; and weight reduction of 100-150 kg (220 to 331 lbs). With this arrangement the total power of the engine and KERS is applied to all four wheels.

Volvo 246
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Xerox Parc’s Engineers on How They Invented the Future—and How Xerox Lost It

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Structured VLSI design, now taught in more than 100 universities. Some researchers say PARC was a product of the 1960s and that decade’s philosophy of power to the people, of improving the quality of life. And unlike university research laboratories, PARC had one unifying vision: it would develop “the architecture of information.”

Future 144
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Finding Battery Minerals With AI

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He’s the co-founder and president of KoBold Metals , an AI-powered mineral exploration company working to discover the materials for electric vehicle batteries. And so we use copper to move electric power around the vehicle, to move electric power around the energy system in the transmission grid. What’s the end game there?

Battery 59