3-D Printing in Space

The International Space Station has received its first 3-D Printer on 23 september 2014. NASA successfully tested the 3-d printing machine and it could operate in microgravity. It will give a cutting edge to scientists in ISS to manufacture it on board.A 3-d printer works by building the layer of materials like platics, metals in powered form by heating it. It is one of the greatest technological leap for mankind to produce items in space.

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Top 3 Fastest Hydrogen Powered Car

When it comes to racing using hydrogen powered car, this top three car will win the show. Hydrogen powered car uses hydrogen gas as a fuel which combust with oxygen to form water. #3. Aston Martin Rapide : British luxury marque ASTON MARTIN introduced AM Rapide S in early 2010. The Rapide is powered by a 5,935 cc V12 engine , producing 470 bhp and torque of 443 lbf·ft (601 N·m). It is Rear-wheel drive and has a six- speed Touchtronic automatic. The Rapide can reach a top speed of 188.5 mph (303 km/h), and accelerate 0-100 km/h (62 mph) in 5.3 seconds, or 0-60 mph (97 km/h) in 5.0 seconds. #2. BMW H2R : This car built by BMW uses liquid hydrogen as a fuel. The H2R’s 6.0-liter V-12 engine, which draws on BMW 's Valvetronic and Double-Vanos technology, is based on the 760i’s gasoline-fueled powerplant. This H2-powered high performer generates 232 horsepower (173 kW), helping it t...

Renewable energy smashes global records in 2015

Last year saw record worldwide investment and implementation of clean energy such as wind, solar and hydropower. Some 147 Gigawatts of renewable electricity came online in 2015 - the largest annual increase ever and as much as Africa’s entire power generating capacity. Clean energy investment increased to $286bn (£198bn), with solar energy accounting for 56% of the total and wind power for 38%. Overall, more than twice as much money was spent on renewables than on coal and gas-fired power generation ($130bn in 2015), the REN21 global status reportfound. Christine Lins, REN21’s chief, said: “What is truly remarkable about these results is that they were achieved at a time when fossil fuel prices were at historic lows, and renewables remained at a significant disadvantage in terms of government subsidies. For every dollar spent boosting renewables, nearly four dollars were spent to maintain our dependence on fossil fuels.” For the first time, emerging economies outs...

Telescopic Contact Lens For Visually Impaired People

See far distance just by winking your eyes. A team of engineers have designed a telescopic contact lens that can switch between normal and magnefied vision. The Researchers at San Jose, California has built a prototype pf lens that could one day help people with visual impairment to see. The lenses might be particularly useful with age-related macular degeneration, a debilitating condition in which people gradually lose their central vision. It is the leading cause of visual impairment and affect millions worldwide. The contact lens developed by Ford’s team is one millimeter thick. Researchers used aluminum mirrors, fit tightly together, to create a ring-shaped telescope embedded in the contact lens. The center of the lens allows for normal, non-magnified vision. Its periphery, where the telescope is located, magnifies images 2.8 times. Switching between normal and magnefied vision Without the glasses, the contact lenses superimpose both normal and magn...

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