Uncategorized Archive

climate changeWorld CO2 emissions increased in 2017 and clean energy addition needs to be over 7 times higher to fix by 2050

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Global energy demand grew by 2.1% in 2017, according to IEA preliminary estimates, more than twice the growth rate in 2016. Global energy demand in 2017A reached an estimated 14 050 million tonnes of oil equivalent (Mtoe), compared with 10 …

chinaGoals for 2020 include maglev trains at half the speed of sound

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China had listed numerous AI and industrial goals in a set of nationwide plans at the end of 2017. By 2020, one the goals is to develop a home-grown 600 kilometer per hour (373 mph) maglev train. China laid out …

aircraftChina’s railgun tech uses high power semiconductor technology from an acquired UK company

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The 2008 purchase of Dynex Semiconductor by Chinese railway firm Zhouzhou CRRC Times Electric helped the development of the Chinese navy’s new railguns. Dynex is one of the UK’s leading manufacturers of high-powered semiconductors, including insulated-gate bipolar transistors (IGBTs), which …

chinaNorth Korea tested an ICBM

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The US believes North Korea fired its first intercontinental ballistic missile on Tuesday, two U.S. officials confirmed to NBC News — a significant step forward in Pyongyang’s weapons program. The ICBM, which is believed to be “two-stage,” officials said, would …

antiagingFor commoners using CPUs meaningful Moore’s law stopped over 10 years ago, GPUs kept to Moore’s law but Google’s Tensorflow is 4 generations beyond

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CPUs vastly slowed in performance scaling around 1997-2004. You can see it with the lines showing flat clock speeds and performance per clock. However, you already knew it from the lack of real performance improvement in laptops and desktop computers. …

direct energy weaponsNextbigfuture moving to wordpress

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Nextbigfuture is moving to wordpress. This may cause some outages today as the DNS is switched We apologize for the inconvenience

africaCircular RNAs can communicate with ribosomes and make proteins

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For decades, loops of genetic material known as circular RNA were considered a kind of genetic accident. But scientists have given them new attention in recent years, and a set of papers published this month suggests some of them actually …

physics500 job openings at Spacex and 2000 jobs at the Tesla Gigafactory

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Spacex has around 500 job openings on its careers site. Panasonic plans to hire 2,000 people this year to make batteries for the Tesla Model 3 at the Gigafactory located east of Sparks. They’re looking to fill positions as material …

physicsGraphene sieve turns seawater into drinking water

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Graphene-oxide membranes have attracted considerable attention as promising candidates for new filtration technologies. Now the much sought-after development of making membranes capable of sieving common salts has been achieved. New research demonstrates the real-world potential of providing clean drinking water …

physicsOne hour travel times help define a city … so four hour Acela travel times means Boston-DC-NY are not a city

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Research work from Zahavi and Marchetti show that there is from ancient times the invariant behavior that a unified town or city is defined by being able to travel across it in about one hour. The center of the city …