简介: RepulseBay(浅水湾) ThebeachhereisoneofHongKong'smostpicturesque(独特的).GoldensandlinesthebaytothetraditionalChinese-styleLifeGuardClub(香港拯溺总会).ThereareshowerandchangingfacilitiesandlifeguardsondutyfromApriltoOctober.FormerlytheoldcolonialRepulseBayHotel,thelovely,rebuiltRepulseBayArcade(有拱廊的街道)houses,shopsandrestaurants.……
简介:【原文】Butlet'sstepbackforasecondhereandexplainwhatgravitationalwavesactuallyare.AccordingtoEinstein'stheory,thefabricofspace-timecanbecomecurvedbyanythingmassiveintheUniverse.Whencataclysmiceventshappen,suchasblackholesmergingorstarsex-ploding,thesecurvescanrippleoutelsewhereasgravitationalwaves,justlikeifsomeonehaddroppedastoneinapond.BythetimethoseripplesgettousonEarth,they'retiny(aroundabillionthofthediam-eterofanatom),whichiswhyscientistshavestruggledforsomanyyearstofindthem.--NewYorkTimes.
简介:Yes,butwhatdidweusetodobeforetherewastelevision?Howoftenwehearstatementslikethis!Televisionhasn'tbeenwithusallthatlong,butwearealreadybeginningtoforgetwhattheworldwaslikewithoutit.Beforeweadmittedtheone-eyedmonsterintoourhomes,weneverfounditdifficulttooccupyoursparetime.Weusedtoenjoycivilizedpleasures.Forinstance,weusedtohavehobbies,weusedtoentertainourfriendsandbeentertainedbythem,