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Gravity Light

Gravity Light  is a  gravity-powered lamp  designed by the company Deciwatt for use in  developing  or  third-world  nations, as a replacement for  kerosene lamps . It uses a bag filled with rocks or earth, attached to a cord, which slowly descends similar to the weight drive in a  cuckoo clock . This action powers the light for up to twenty minutes.

The biggest solar parks in the world are now being built in India

Weeds poke listlessly from the flat, rocky earth as the temperature climbs to the mid-90s. On a cloudless March afternoon, the blue horizon stretches out uninterrupted, as if even birds are too weary to fly. On this unforgiving patch of southern India, millions of silver-gray panels glimmer in the sun, the start of what officials say will be the biggest solar power station in the world. When completed, the Pavagada solar park is expected to produce 2,000 megawatts of electricity, enough to power 700,000 households — and the latest milestone in India's transition to generating more green energy. Long regarded as a laggard in the fight against climate change, India is building massive solar stations at a furious clip, helping to drive a global revolution in renewable energy and reduce its dependence on coal and other carbon-spewing fossil fuels blamed for warming the planet. While the Trump administration abandons the Paris a...

Main Window Keyboard Shortcuts

Main Window Keyboard Shortcuts 1. CTRL+O (Open a saved console) 2. CTRL+N (Open a new console) 3. CTRL+S (Save the open console) 4. CTRL+M (Add or remove a console item) 5. CTRL+W (Open a new window) 6. F5 key (Update the content of all console windows) 7. ALT+SPACEBAR (Display the MMC window menu) 8. ALT+F4 (Close the console) 9. ALT+A (Display the Action menu) 10. ALT+V (Display the View menu) 11. ALT+F (Display the File menu) 12. ALT+O (Display the Favorites menu) MMC Console Window Keyboard Shortcuts 1. CTRL+P (Print the current page or active pane) 2. ALT+Minus sign (-) (Display the window menu for the active console window) 3. SHIFT+F10 (Display the Action shortcut menu for the selected item) 4. F1 key (Open the Help topic, if any, for the selected item) 5. F5 key (Update the content of all console windows) 6. CTRL+F10 (Maximize the active console window) 7. CTRL+F5 (Restore the active console window) 8. ALT+ENTER (Display the ...

More than 100 Keyboard Shortcuts must read

Keyboard Shorcuts (Microsoft Windows) 1. CTRL+C (Copy) 2. CTRL+X (Cut) 3. CTRL+V (Paste) 4. CTRL+Z (Undo) 5. DELETE (Delete) 6. SHIFT+DELETE (Delete the selected item permanently without placing the item in the Recycle Bin) 7. CTRL while dragging an item (Copy the selected item) 8. CTRL+SHIFT while dragging an item (Create a shortcut to the selected item) 9. F2 key (Rename the selected item) 10. CTRL+RIGHT ARROW (Move the insertion point to the beginning of the next word) 11. CTRL+LEFT ARROW (Move the insertion point to the beginning of the previous word) 12. CTRL+DOWN ARROW (Move the insertion point to the beginning of the next paragraph) 13. CTRL+UP ARROW (Move the insertion point to the beginning of the previous paragraph) 14. CTRL+SHIFT with any of the arrow keys (Highlight a block of text) SHIFT with any of the arrow keys (Select more than one item in a window or on the desktop, or select text in a document) 15. CTRL+A (Select all) 16. F3 key...

Tesla

Tesla, Inc. (formerly Tesla Motors, Inc. ) is an American automotive and energy company based in Palo Alto, California . The company specializes in electric car manufacturing and, through its SolarCity subsidiary, in solar panel manufacturing. It operates multiple production and assembly plants, notably Gigafactory 1 near Reno, Nevada , and its main vehicle manufacturing facility at Tesla Factory in Fremont, California . As of June 2018, Tesla sells the Model S , Model X and Model 3 vehicles, Powerwall and Powerpack batteries, solar panels , solar roof tiles , and related products. Tesla Semi The Tesla Semi is an all-electric Class 8 semi-trailer truck first mentioned in the 2016 Tesla Master plan. Production is slated to begin in 2019. The vehicle's official announcement was at a November 16, 2017 press conference where two prototypes were shown. Musk confirmed that the range would be 500 miles and that the zero to 60 mph time would be 5 seconds versus 15 sec...

List of electric cars currently available

1.   BMW i3 2.   BMW Brilliance Zinoro 1E 3.   Bollore Blue car 4.   BYD e6 5.   Chery QQ3 EV

POWER QUALITY

The electric power network has undergone several modifications from the time of its invention. The modern electric power network has many challenges that should be met in order to deliver qualitative power in a reliable manner. There are many factors both internal and external that affect the quality and quantity of power that is being delivered. This chapter discusses the different power quality problems, their causes and consequences. Power Quality : The quality of electric power delivered is characterized by two factors namely-“continuity” of supply and the “quality” of voltage. As indicated by IEEE standard 1100, Power Quality is characterized as- "The idea of controlling and establishing the touchy supplies in a manner that is suitable for the operation of the gear." Power quality Problems There are many reasons by which the power quality is affected. The occurrence of such problems in the power system network is almost indispensable. Therefor...