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Knihy | 23. február | Pred 100 rokmi | Prírodné vedy | Spoločenské vedy | Umenie | Slovensko | Slovník | SK CZ DE RU




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Encyklopédia alebo náučný slovník je literárne dielo, ktoré krátko, stručne a jasne vysvetľuje dosiahnuté poznatky ľudstva alebo poznatky z určitého vedného odboru. Využíva pri tom odborný (náučný) jazykový štýl, heslá sú usporiadané v abecednom, chronologickom alebo systematickom poradí.
Zdroj:Wikipedia

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Reuters News:

Science:

Archiv (1793):

1793. NASA clears SpaceX test flight to space station
NASA gave its final go-ahead on Friday to billionaire entrepreneur Elon Musk"s SpaceX company to conduct its first unmanned test flight of a newly designed crew capsule to the International Space Station on March 2.
18:41 22.02.2019
1792. Branson's Virgin Galactic takes another step toward space tourism
A Virgin Galactic rocket plane on Friday soared to the edge of space with a test passenger for the first time, nudging British billionaire Richard Branson’s company closer to its goal of suborbital flights for space tourists.
17:25 22.02.2019
1791. Japanese space probe touches down on asteroid to collect samples
A Japanese space probe named after a falcon, Hayabusa 2, has touched down on an asteroid more than 300 million km (186 million miles) from Earth on a mission to seek clues about the origins of life, Japan"s space agency said on Friday.
15:22 22.02.2019
1790. Israel's first lunar lander launched into space from Florida
A SpaceX Falcon 9 rocket blasted off from Florida on Thursday night carrying Israel"s first lunar lander on a mission that if successful will make the Jewish state only the fourth nation to achieve a controlled touchdown on the moon"s surface.
02:25 22.02.2019
1789. SpaceX rocket launched carrying Israel's first lunar lander
A SpaceX Falcon 9 rocket blasted off from Florida on Thursday night carrying Israel"s first lunar lander on a mission that if successful will make the Jewish state only the fourth nation to ever to achieve a controlled touchdown on the moon"s surfac
21:16 21.02.2019
1788. SpaceX rocket launched carrying Israel's first lunar lander
A SpaceX Falcon 9 rocket blasted off from Florida on Thursday night carrying Israel"s first lunar lander on a mission that if successful will make the Jewish state only the fourth nation to ever to achieve a controlled touchdown on the moon"s surfac
20:57 21.02.2019
1787. Exclusive: SpaceX, Boeing design risks threaten new delays for U.S. space program
NASA has warned SpaceX and Boeing Co of design and safety concerns for their competing astronaut launch systems, according to industry sources and a new government report, threatening the U.S. bid to revive its human spaceflight program later this year.
18:45 21.02.2019
1786. Modest dinosaur dubbed 'harbinger of doom' set stage for T. rex
No one would ever look at the huge and ferocious Tyrannosaurus rex as an underdog. But its newly discovered evolutionary great uncle certainly was.
16:00 21.02.2019
1785. Space crew unfazed ahead of first launch since rocket failure
Two astronauts who survived a midair rocket failure in October said on Thursday they had received counseling following their brush with death and felt ready to fly again next month.
09:38 21.02.2019
1784. Why do zebras have stripes? They make bad landing strips for flies
Scientists are providing new evidence to answer the longstanding question about why zebras have stripes. It appears stripes make terrible landing strips, bamboozling the fierce blood-sucking flies that try to feast on zebras and carry deadly diseases.
15:23 20.02.2019
1783. Israel's first moon mission set for liftoff from Florida Thursday
Israel"s first spacecraft designed to land on the moon is set to blastoff from Florida on Thursday in the first privately-funded lunar mission, as the Jewish state seeks to become only the fourth nation to reach the surface of Earth"s natural satell
06:09 20.02.2019
1782. The real 'Jaws': Great white shark's genetic secrets revealed
The great white shark, one of the most fearsome predators in the world"s oceans in both fact and fiction, is a formidable creature -- right down to its genes.
18:13 18.02.2019
1781. Japan approves test of iPS cells for treating spinal injuries
Japanese scientists will test the use of human-induced pluripotent stem cells (iPS) to treat spinal cord injuries, a health ministry panel that approved the research project said on Monday.
03:47 18.02.2019
1780. Antarctic ice shelves: Searching for clues on climate change
In a remote island outpost on the edge of the Antarctic, hundreds of miles from the southern tip of Chile, scientists at a research base are scouring the ice for clues about everything from climate change to cures for cancer.
07:35 16.02.2019
1779. NASA mulls buying new rides to space from Russia amid program delays
NASA said on Friday it was weighing an option to buy two additional astronaut seats aboard a Russian rocket as a contingency plan against further delays in the launch systems being developed by Elon Musk"s SpaceX and Boeing Co.
14:00 15.02.2019
1778. NASA bids adieu to Opportunity, the Mars rover that kept going and going
Opportunity, a remarkably durable NASA rover designed to roll along the surface of Mars for three months, has stopped communicating with Earth after 15 years of service, officials said on Wednesday, ending a mission that astounded the U.S. space agency.
04:12 14.02.2019
1777. Tanzanian 'beast' sheds light on gigantic dinosaur group
A relatively complete skeleton of a long-necked, long-tailed plant-eater excavated from a rocky cliff above a Tanzanian river is providing insight into the early evolution of a dinosaur group that later included Earth"s largest-ever land animals.
15:30 13.02.2019
1776. Earth's earliest mobile organisms lived 2.1 billion years ago
Scientists have discovered in 2.1-billion-year-old black shale from a quarry in Gabon the earliest evidence of a revolutionary development in the history of life on Earth, the ability of organisms to move from one place to another on their own.
15:36 11.02.2019
1775. University of California to be granted pioneering CRISPR patent
The University of California will soon be granted a potentially valuable patent on the revolutionary gene-editing technology known as CRISPR, according to a document filed by the U.S. patent office on Friday.
21:54 08.02.2019
1774. Mirror test hints at surprising cognitive abilities in fish
A small tropical reef fish was able to recognize itself in a mirror, scientists said on Thursday in a finding that raises provocative questions about assessing self-awareness and cognitive abilities in animals.
15:34 07.02.2019
1773. Brick by Lego brick, teen builds his own prosthetic arm
David Aguilar has built himself a robotic prosthetic arm using Lego pieces after being born without a right forearm due to a rare genetic condition.
08:49 07.02.2019
1772. Memories made of this: USB stick found in frozen seal poo
Scientists in New Zealand say they have found a USB memory stick containing holiday photos inside a frozen slab of seal poo.
12:24 05.02.2019
1771. 'Thar she blows!' Scientists use drones to monitor whale health
The old cry of sailors sighting a whale"s waterspout is taking on new meaning as scientists turn to drones, or unmanned aerial vehicles, to gather samples of the fluids exhaled by the huge mammals and track their health.
14:13 04.02.2019
1770. Jeff Bezos' Blue Origin signs launch deal with Canada's Telesat
Jeff Bezos" rocket company, Blue Origin, has signed a deal with Canada"s Telesat to launch part of a satellite constellation aimed at providing speedy internet access to governments and businesses globally, the companies said on Thursday.
14:59 31.01.2019
1769. Russian rocket glitch to delay satellite launch for U.S. startup OneWeb
The launch of a Russian Soyuz rocket set to carry satellites into space for U.S startup OneWeb has been delayed after an anomaly was discovered on the rocket, company chairman Greg Wyler said on Thursday.
03:11 31.01.2019
1768. Siberian cave findings shed light on enigmatic extinct human species
Scientists using sophisticated techniques to determine the age of bone fragments, teeth and artifacts unearthed in a Siberian cave have provided new insight into a mysterious extinct human species that may have been more advanced than previously known.
16:45 30.01.2019
1767. Defect found on Russian rocket ahead of U.S. OneWeb launch: agencies
A defect has been discovered on part of a Russian space rocket that is due to launch next month carrying satellites into orbit for U.S. startup OneWeb, two Russian news agencies reported on Wednesday.
09:23 30.01.2019
1766. Israel Aerospace, Germany's OHB parter in European moon mission
State-owned Israel Aerospace Industries on Tuesday said it has partnered with Germany"s OHB System for a European Space Agency moon mission, which includes developing a lunar lander.
08:05 29.01.2019
1765. Nuclear, climate threats keep Doomsday Clock close to apocalypse
A renewed nuclear arms race, rising greenhouse gas emissions and the emergence of state-sponsored disinformation campaigns have left the modern world as close to annihilation as it was at the height of the Cold War, atomic scientists said on Thursday.
15:44 24.01.2019
1764. Odd duckbilled sea reptile thrived after ancient global calamity
In shallow warm seas about 247 million years ago in what is now China, an oddball marine reptile flourished in the aftermath of Earth"s worst mass extinction, possessing a duckbilled snout and unusually small eyes that made it resemble a platypus.
15:30 24.01.2019
1763. Root and branch reform: Swedish scientist makes fuel from tree waste
Might tree roots, twigs and branches one day be used to power cars? That"s what a Swedish researcher is hoping after developing a pulp byproduct that - on a modest scale - does just that.
05:59 24.01.2019
1762. China clones gene-edited monkeys for sleep disorder research
Chinese scientists have made clones of a gene-edited macaque to aid research of circadian rhythm disorders that are linked to sleep problems, depression and Alzheimer"s disease, the official Xinhua news agency said on Thursday.
01:50 24.01.2019
1761. Europe's Arianespace takes on SpaceX by cutting Ariane 5 rocket launch price
Europe"s Arianespace is discounting the price of satellite launches with its Ariane 5 rockets as it competes against U.S. rival SpaceX for customers before the release of the cheaper Ariane 6 rocket next year, a senior executive said on Wednesday.
07:20 23.01.2019
1760. Scientists make gene-edited chickens in bid to halt next pandemic
British scientists are developing gene-edited chickens designed to be totally resistant to flu in a new approach to trying to stop the next deadly human pandemic.
19:06 21.01.2019
1759. U.S. eclipse watchers howl at Blood Wolf Moon but bitter cold cancels other festivities
Skywatchers howled at the moon at the Griffith Observatory in Los Angeles when the full lunar eclipse appeared shortly after 9 p.m. Pacific time on Sunday and our celestial neighbor was bathed reddish-orange during a Super Blood Wolf Moon.
09:13 21.01.2019
1758. Chinese scientist who gene-edited babies fired by university
A Chinese scientist who created what he said were the world"s first "gene-edited" babies evaded oversight and broke ethical boundaries in a quest for fame and fortune, state media said on Monday, as his former university said he had been fired.
08:53 21.01.2019
1757. A T. rex and a shark as neighbors? Yes, eons ago in South Dakota
Scientists conducting a recent painstaking examination of the two tons of rock left over after the fossilized bones of the celebrated Tyrannosaurus rex named Sue were extricated in the 1990s came across a surprise: shark teeth.
08:06 21.01.2019
1756. Bitter cold cancels some U.S. lunar eclipse festivities
Many lunar eclipse festivities were canceled due to a flash freeze across the central and northeastern U.S. states on Sunday, with icy roadways rather than cloudy skies blamed by astronomers for spoiling the party.
23:38 20.01.2019
1755. 'Super Blood Wolf Moon' to get star billing in weekend lunar eclipse
Look up into the night sky on Sunday and - if it is clear - you may witness the so-called "Super Blood Wolf Moon" total lunar eclipse, which will take a star turn across the continental United States during prime time for viewing.
11:34 19.01.2019
1754. Russian scientists find defect in new heavy lift space rocket engine
Scientists have discovered a defect in the engines of Russia"s new flagship heavy lift space rocket that could destroy it in flight, an apparent setback to a project President Vladimir Putin has said is vital for national security.
07:49 18.01.2019

Stránky
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Zdroj/Source: Reuters News RSS Feeds




21. IS-1
22. T-44
23. T-70
24. T-43
25. Light Tank M2
26. Praga V-8-H
27. Panzerkampfwagen IV
28. Renault FT
29. T-35
30. KV-85
31. Cromwell (tank)
32. M3 Stuart
33. Heavy Tank M6
34. T14 (tank)
35. KV-2
36. T-34
37. 7TP
38. T20 (tank)
39. T-50 (tank)
40. IS-3