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Thursday, 24 October 2019

Wednesday, 23 October 2019

Russian battleship Retvizan

Russian battleship Retvizan.
Retvizan was a pre-dreadnought battleship built for the Imperial Russian Navy, launched on 23 October 1900. Named after a Swedish ship of the line that was captured during the battle of Vyborg Bay in 1790, Retvizan was transferred to the Far East in 1902. In the Russo-Japanese War, the ship was torpedoed during the Japanese attack on Port Arthur on the night of 8/9 February 1904 and grounded in the harbour entrance when she attempted to take refuge inside. She was refloated and repaired in time to join the rest of the 1st Pacific Squadron when they attempted to reach Vladivostok through the Japanese blockade on 10 August. The Japanese battle fleet engaged them again in the Battle of the Yellow Sea, forcing most of the Russian ships to return to Port Arthur. Retvizan was sunk there by Japanese howitzers in December, then raised and commissioned into the Imperial Japanese Navy as Hizen in 1908. After World War I she supported the Japanese intervention in the Russian Civil War.

Tuesday, 22 October 2019

Megabat

Megabat.
The megabat family, Pteropodidae, includes the largest bat species, some weighing up to 1.45 kg (3.2 lb) with wingspans up to 1.7 m (5.6 ft), as well as smaller species, some less than 50 g (1.8 oz). They are found in tropical and subtropical areas of Eurasia, Africa, and Oceania. Unlike other bats, they have dog-like faces and clawed second digits. Well-adapted for flight, megabats have sustainable heart rates of more than 700 beats per minute and large lungs. Most of them are active at night. They roost in trees or caves, sometimes in colonies of up to a million individuals. Most are unable to echolocate, relying instead on their keen senses of sight and smell to navigate and locate food, usually fruits or nectar. A quarter of all megabat species are listed as threatened, due mainly to habitat destruction and overhunting. Even though they can transmit a variety of dangerous viruses, they are a popular food source for humans in some areas.

Monday, 21 October 2019

Ursula K. Le Guin

Ursula K. Le Guin.
Ursula K. Le Guin (October 21, 1929 – January 22, 2018) was an American author best known for her works of speculative fiction. She wrote more than twenty novels and over a hundred short stories, in addition to poetry, literary criticism, translations, and children's books. She achieved critical and commercial success with A Wizard of Earthsea (1968) and The Left Hand of Darkness (1969). Le Guin was influenced by cultural anthropology, Taoism, feminism, and the writings of Carl Jung. Many of her stories used anthropologists or cultural observers as protagonists. Several works reflect Taoist ideas about balance and equilibrium. Le Guin often subverted typical speculative fiction tropes, such as through her use of dark-skinned protagonists in the Earthsea fantasy series. She won eight Hugo Awards, six Nebulas, and twenty-two Locus Awards, and in 2003 became only the second woman honored as a Grand Master of the Science Fiction and Fantasy Writers of America.