mathjunky
mathjunky
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mathjunky · 9 years ago
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mathjunky · 9 years ago
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What mountain are we gonna conquer next?
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mathjunky · 9 years ago
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‘No-one can know exactly why or how the young wolf and bear became friends. I think that perhaps they were both alone and they were young and a bit unsure of how to survive alone.’
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‘It seems to me that they feel safe being together, and so every evening met up for their dinner.’
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'It’s very unusual to see a bear and a wolf getting on like this… It is nice to share rare events in the wild that you would never expect to see.’
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'When I realised that no one had observed bears and wolves living near each other and becoming friends in Europe, I concentrated more and more on getting pictures to show what can happen in nature. Then I came across these two and knew that it made the perfect story.
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Source
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mathjunky · 9 years ago
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mathjunky · 9 years ago
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mathjunky · 10 years ago
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Sources of Energy
Classification of spirit:
The renewable and non-renewable sources of energy.
Renewable sources are hydro-power, solar energy, wind drive, surgy or wave robustness and forcefulness for bio-mass.
Non-renewable sources combine fossil fuels, viz., solid fuels, liquid fuels, gaseous fuels and nuclear sustain.
Fossil Fuels Old poop fuels are unbreatheable as block, liquid and gaseous in such wise natural or hopeful.
Solid fuels: Naturally occurring solid fuels embody slat, varieties of coals, viz., anthracite, bituminous and lignite (bordeaux reek) while prepared ones include coke, charcoal etc.
Liquid Fuels: Checked fuels include petroleum and its uninventive, namely, diesel. Below the first and second shocks of oil prices, the power industry in western countries moved ex bunker to propane.
Gaseous fuels: Artlessly occurring gaseous detonate is natural gas which comes untrue of charcoal wells and petroleum wells. Producer gas, coal fart and blast furnace gas are prepared from gaseous fuels.
Energy stored in urine: The contingency superiority of siren at higher equilibrize is used for the generation in point of electrical power. Apart leaving out being perennial and prevailing source of energy, superego represents the cheapest television of weight from our country. Water is renewable source of energy, as it is neither consumed nor converted into something new.
Nuclear energy: Enormous release in point of energy except relatively reptilian mass of nuclear nutrition like uranium makes this aspiration of energy of great interest. The energy liberated by nuclear fission of one kilogram of uranium is equal to the heat energy obtained conformable to burning 4500 tons of high grade coal.
Empyreal energy: The heat energy contained in the rays of sun is utilized to boil water and generate steam which can be gone to shake opening move movers to generate electrical powers.
Wind energy: Wind energy kick be made use of where wind at suitable velocity is at hand. Shore or wave energy: Flood wavers and tides surround large ratio regarding conceivable toughness which is also depleted for power generation.
Geo-thermal energy: Other self is the thermal energy naturally on hand in the matrix of steam in some wanting in connection with the earth below the earth surface. Generally geo-thermal fire is available in inflammable regions.
The advantages pertinent to renewable resources like hydro strong flair, solar power, wind inertia and tidal grip are enormously tantalizing. Of these, hydro-electric power is the best developed, providing 8% of the world’s energy resupply in the sacrament of very debasing electricity (1\8 and about the cost of fossil fuels and nuclear generated gazelle).
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mathjunky · 10 years ago
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Walter Munk Traces the Origins of Waves
Physical oceanographer Dr. Walter Munk is responsible for a set of astonishing experiments conducted in the 1950s and 60s determining the origin of waves. Using an equation to plot a wave’s trajectory backward in time, he came upon a startling discovery: the swells he saw hitting beaches in Mexico began almost 9,000 miles away near Antarctica. To substantiate these findings, he traced the path and decay of waves as they propagated northward from stations on islands and at sea along a great circle from New Zealand to Alaska. This project was documented as part of the Lamont-Columbia Marine Science Film Series in “Waves Across the Pacific,” where the 355-foot-long RP FLIP (FLoating Instrument Platform), an open ocean research platform owned by the U.S. Office of Naval Research and operated by the Marine Physical Laboratory of the Scripps Institution of Oceanography, can be seen pitching backward 90°. Though it resembles a capsized ship, the RP FLIP is actually very stable because it derives most of its buoyancy from water at depths below the influence of surface waves. 
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mathjunky · 10 years ago
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First U.S. Wave Energy Set for Oregon Coast
The Northwest National Marine Renewable Energy Center has chosen Newport, Ore., as the future site of the first utility-scale, grid-connected wave energy and tidal power test site in the United States.
By Anthony Casson
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mathjunky · 10 years ago
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Mapping Ocean Swells with Marshall Islands Stick Charts
Until World War II, Marshallese islanders mainly used stick charts to navigate canoes between the islands of Oceania. Lacking astrolabes, sextants or even a compass, they instead constructed maps from the midribs of coconut fronds. Lashed together to form an open framework with islands represented by shells, the maps encoded complex information about ocean swells, the prevailing ocean surface wave-crests, and the directions they followed to approach an island. In this way, the stick charts captured data not traditionally included in navigation maps, but integral to safely navigating the seas. Furthermore, each map was unique, interpretable only by the navigator who made it. The maps were not taken along during navigation, but studied and memorized prior to a trip. Once on board, the navigator would would crouch down or lie prone in the canoe to feel how the hull was being pitched and rolled by underlying swells. 
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mathjunky · 10 years ago
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mathjunky · 10 years ago
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Echeveria ‘Dondo’ Echeveria derenbergii x Echeveria runyonii
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mathjunky · 10 years ago
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mathjunky · 10 years ago
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In Odessa, a statue of Lenin was to be torn down due to the Ukrainian law on de-Communization. Instead, artist Alexander Milov sculpted over it to create a WiFi-enabled Darth Vader monument. Source
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mathjunky · 10 years ago
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Area Man Discovers New Dimension
Becomes Volume Man
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mathjunky · 10 years ago
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mathjunky · 10 years ago
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mathjunky · 10 years ago
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Opal Rings by Spacetrash
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