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Category: habitats – Page 136

Since a gas leak erupted outside LA on October 23rd, over 83,000 metric tons of methane have escaped to the atmosphere, prompting public officials to evacuate the neighboring community of Porter Ranch. But as a disturbing new analysis shows, a much broader swath of LA is now drowning in methane.

The Home Energy Efficiency Team (HEET) is a Cambridge-based nonprofit that’s been shedding light on leaky natural gas infrastructure for years. Last week, HEET sent Boston University Professor Nathan Phillips and Bob Ackley of Gas Safety out to LA to measure pollution in the air surrounding Porter Ranch.

Armed with a laser gas analyzer that can sniff out airborne methane with parts-per-billion precision, Phillips and Ackley drove around the LA area measuring methane concentrations for a period of five days. Every time their analyzer detected elevated gas levels, it plotted the numbers to Google Earth. The red bars on their maps indicate where they drove, with higher bars corresponding to higher methane concentrations.

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Yesterday, Tesla Motors released software update 7.1 for the Model S and Model X, an update that allows the electric cars to park themselves while you stand by and watch in awe. Today, CEO Elon Musk made a bold prediction: In 2018, this feature will work anywhere that cars can drive.

Called Summon, the functionality is part of Tesla’s Autopilot self-driving technology. Autopilot was introduced with version 7.0 of Tesla’s software in October 2015, and lets drivers take their hands off the wheel in certain conditions.

Summon, which is currently in beta (it’s not enabled by default, so you have to turn it on at Controls = Settings = Driver Asssistance = Autopilot), takes that functionality a step further, once you arrive home and exit your Model S or Model X.

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The real question is what are these? Is it old debris or something else?

Vietnamese military seized three bizarre metal objects that fell from the sky for military investigation. Initial findings showed they are made from Russia and could be part of a failed satellite launch. Similar objects were also found in Turkey and Spain in November 2015.(Photo : World News Times | YouTube)

The Vietnamese military seized three metal balls that fell from the sky on Saturday. The mysterious objects landed in northern Vietnam where witnesses from the Tan Dong and Bao Dap communities heard thunder-like sounds and saw “flying objects” in the sky before the metal balls crash-landed.

The two smaller metal balls weighed 250 grams (about 0.55 pounds) and 6 kilograms (roughly 13 pounds) respectively. Both fell in the Yen Bai province where the smaller one hit a roof of a house while the bigger one landed in a garden of resident Tran Thi Loi.

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Remember when a cheap $60 wireless router was all your home needed? We were so naive back then. When everything from your phone to your fridge is on your home network, you need a little more wi-fi horsepower. So TP-Link is introducing the first wireless router with blazing 802.11ad.

For the uninitiated, the 802.11ad protocol adds yet another band of spectrum in the 57-66GHz range (depending on what part of the world you live in) in addition to the 2.4GHz and 5GHz bands that 802.11ac routers use now.

There’s quite a few technical reasons as to why the jump to 60GHz is a good thing, but the most important for the average consumer is speed. The 5GHz band maxes out at 1,733Mbps, but the new 60GHz band can achieve wireless transfer speeds of up to 4,600Mbps. So streaming 4K video without a network cable? Not a problem.

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The Wi-Fi Alliance branded its next-generation 802.11ah wireless protocol as Wi-Fi HaLow. It is targeted at the Internet of Things (IoT), which includes the smart home, connected car, and digital healthcare, as well as industrial, retail, agriculture, and smart-city environments. Unlike the older and more familiar 802.11 protocols, which mostly use the 2.4 or 5GHz bands, 802.11ah is a sub-gigahertz protocol that uses the 900MHz band. It has an enviable combination of characteristics.

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Imagine an apartment where you could whiz down a 1,000-foot ski slope from the roof to the sidewalk.

This daredevil’s dream building might eventually be a reality. Called House Slalom, the 21-story residential complex with a ski slope could be built in Kazakhstan.

The design by Shokhan Mataibekov Architects was a finalist in the residential category at this year’s World Architecture Festival awards. If the proposal gets the green light, it would be the world’s first residential building with a ski slope.

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Mark Zuckerberg wants to live a bit more like Tony Stark. In a post on Facebook this afternoon, Zuckerberg wrote that he intends to build an AI that can run his home and present him with virtual reality visualizations of his work. “You can think of it kind of like Jarvis in Iron Man,” Zuckerberg writes.

Zuckerberg’s vision starts basic but gets a lot more ambitious. “I’m going to start by exploring what technology is already out there,” he writes. That should be able to handle his initial goals, like controlling “music, lights, temperature, and so on.” He also wants this system to recognize when friends are at the front door and let them in, alert him if his newborn daughter needs attention, and to do all of this only when it recognizes the person speaking. For the most part, that’s all doable even for the non-billionaire home builder. Zuckerberg has already found one product that he likes: “For just music, the Amazon Echo is pretty great. It’s been very useful for controlling music with my voice while both hands are occupied taking care of Max.”

The more challenging aspects of the project include making it work without direct input by him or Priscilla Chan, his wife. “I’m very interested in using voice and face recognition to set lights and temperature as well depending on who is in what rooms, etc,” he writes. “For example, I like rooms colder than Cilla, and but it’s possible to just see who is in what room and adjust the temperatures automatically.”

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Governments, businesses, and economists have all been caught off guard by the geopolitical shifts that happened with the crash of oil prices and the slowdown of China’s economy. Most believe that the price of oil will recover and that China will continue its rise. They are mistaken. Instead of worrying about the rise of China, we need to fear its fall; and while oil prices may oscillate over the next four or five years, the fossil-fuel industry is headed the way of the dinosaur. The global balance of power will shift as a result.

LED light bulbs, improved heating and cooling systems, and software systems in automobiles have gradually been increasing fuel efficiency over the past decades. But the big shock to the energy industry came with fracking, a new set of techniques and technologies for extracting more hydrocarbons from the ground. Though there are concerns about environmental damage, these increased the outputs of oil and gas, caused the usurpation of old-line coal-fired power plants, and dramatically reduced America’s dependence on foreign oil.

The next shock will come from clean energy. Solar and wind are now advancing on exponential curves. Every two years, for example, solar installation rates are doubling, and photovoltaic-module costs are falling by about 20 percent. Even without the subsidies that governments are phasing out, present costs of solar installations will, by 2022, halve, reducing returns on investments in homes, nationwide, to less than four years. By 2030, solar power will be able to provide 100 percent of today’s energy needs; by 2035, it will seem almost free — just as cell-phone calls are today.

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