http://www.hemidemi.com/bookmark/users/498388 引述『如果你現在站在赤道上，要你 30 秒內繞地球一周的確是不可能；但是如果今天你站在南、北極的地球自轉軸軸心邊，那麼要 30 秒繞地球一周就不是問題了。因為你就在軸心軸邊，繞著軸心小小的轉它一圈也是繞地球一周。你沿著赤道線跑一次也是繞地球一周，但是在南北極軸心處繞一周與在赤道繞一周，那跑過的距離可是天差地遠。』 40 Sat, 11 Oct 2008 14:20:14 +0800 http://www.hemidemi.com/image/bookmark/81/463697.png 100 75 yukie (Yukie) Tue, 27 Feb 2007 09:15:41 +0000 http://www.hemidemi.com/user/yukie/bookmark/info/853039 http://www.hemidemi.com/user/yukie/bookmark/info/853039 http://www.hemidemi.com/image/user/232/488.png 60 60 kovis (小柯) Tue, 27 Feb 2007 09:24:39 +0000 http://www.hemidemi.com/user/kovis/bookmark/info/853595 http://www.hemidemi.com/user/kovis/bookmark/info/853595 http://www.hemidemi.com/image/user/48/1328.png 60 60 newstory (生命力新聞) Tue, 27 Feb 2007 15:38:12 +0000 http://www.hemidemi.com/user/newstory/bookmark/info/854494 http://www.hemidemi.com/user/newstory/bookmark/info/854494 http://www.hemidemi.com/images/somebody.png 60 60 ckyuan (.CK) 太棒了. 真的有影片可以佐證. 這個疑問在我心裡好久了,我知道有科氏力, 但還是半信半疑. 有一次去南半球旅行, 一直想著要實驗, 結果後來忘了... Orz... Tue, 27 Feb 2007 17:05:32 +0000 http://www.hemidemi.com/user/ckyuan/bookmark/info/854576 http://www.hemidemi.com/user/ckyuan/bookmark/info/854576 http://www.hemidemi.com/image/user/97/1121.png 60 60 adaiq (阿呆) 神奇 Tue, 27 Feb 2007 18:25:34 +0000 http://www.hemidemi.com/user/adaiq/bookmark/info/854630 http://www.hemidemi.com/user/adaiq/bookmark/info/854630 http://www.hemidemi.com/image/user/66/4418.png 60 60 olivia (olivia) Tue, 27 Feb 2007 18:46:04 +0000 http://www.hemidemi.com/user/olivia/bookmark/info/854646 http://www.hemidemi.com/user/olivia/bookmark/info/854646 http://www.hemidemi.com/image/user/55/1591.png 60 60 shine (閃恩) Tue, 27 Feb 2007 18:51:41 +0000 http://www.hemidemi.com/user/shine/bookmark/info/854650 http://www.hemidemi.com/user/shine/bookmark/info/854650 http://www.hemidemi.com/image/user/5/5.png 60 60 asing (阿幸) Wed, 28 Feb 2007 01:26:04 +0000 http://www.hemidemi.com/user/asing/bookmark/info/854776 http://www.hemidemi.com/user/asing/bookmark/info/854776 http://www.hemidemi.com/image/user/24/1048.png 60 60 re4388 (小偉) Wed, 28 Feb 2007 02:06:19 +0000 http://www.hemidemi.com/user/re4388/bookmark/info/854797 http://www.hemidemi.com/user/re4388/bookmark/info/854797 http://www.hemidemi.com/image/user/247/4343.png 60 60 stuntark (stunt) Wed, 28 Feb 2007 02:57:27 +0000 http://www.hemidemi.com/user/stuntark/bookmark/info/854840 http://www.hemidemi.com/user/stuntark/bookmark/info/854840 http://www.hemidemi.com/image/user/26/3866.png 60 60 ccbearyeh (千千熊) Wed, 28 Feb 2007 02:58:12 +0000 http://www.hemidemi.com/user/ccbearyeh/bookmark/info/854841 http://www.hemidemi.com/user/ccbearyeh/bookmark/info/854841 http://www.hemidemi.com/image/user/208/3792.png 60 60 hktai (hktai) Wed, 28 Feb 2007 03:26:39 +0000 http://www.hemidemi.com/user/hktai/bookmark/info/854863 http://www.hemidemi.com/user/hktai/bookmark/info/854863 http://www.hemidemi.com/image/user/242/4338.png 60 60 planetoid (planetoid) Wed, 28 Feb 2007 03:50:27 +0000 http://www.hemidemi.com/user/planetoid/bookmark/info/854876 http://www.hemidemi.com/user/planetoid/bookmark/info/854876 http://www.hemidemi.com/image/user/24/24.png 60 60 benson56 (benson56) Wed, 28 Feb 2007 04:19:01 +0000 http://www.hemidemi.com/user/benson56/bookmark/info/854891 http://www.hemidemi.com/user/benson56/bookmark/info/854891 http://www.hemidemi.com/images/somebody.png 60 60 chun77129 (Changtzchun) Wed, 28 Feb 2007 04:44:13 +0000 http://www.hemidemi.com/user/chun77129/bookmark/info/854909 http://www.hemidemi.com/user/chun77129/bookmark/info/854909 http://www.hemidemi.com/image/user/182/4278.png 60 60 twmax (TWMax) Wed, 28 Feb 2007 05:02:54 +0000 http://www.hemidemi.com/user/twmax/bookmark/info/854918 http://www.hemidemi.com/user/twmax/bookmark/info/854918 http://www.hemidemi.com/image/user/23/23.png 60 60 kirosu99 (上官曉) Wed, 28 Feb 2007 06:14:34 +0000 http://www.hemidemi.com/user/kirosu99/bookmark/info/854999 http://www.hemidemi.com/user/kirosu99/bookmark/info/854999 http://www.hemidemi.com/image/user/178/434.png 60 60 baronshih (海藍加天空藍) Wed, 28 Feb 2007 06:33:43 +0000 http://www.hemidemi.com/user/baronshih/bookmark/info/855009 http://www.hemidemi.com/user/baronshih/bookmark/info/855009 http://www.hemidemi.com/image/user/78/3406.png 60 60 momoge (momoge) Wed, 28 Feb 2007 07:26:51 +0000 http://www.hemidemi.com/user/momoge/bookmark/info/855120 http://www.hemidemi.com/user/momoge/bookmark/info/855120 http://www.hemidemi.com/image/user/132/2948.png 60 60 kirinwu (對方辯友) Wed, 28 Feb 2007 08:03:07 +0000 http://www.hemidemi.com/user/kirinwu/bookmark/info/855141 http://www.hemidemi.com/user/kirinwu/bookmark/info/855141 http://www.hemidemi.com/images/somebody.png 60 60 bestslin (bestslin) Wed, 28 Feb 2007 08:04:41 +0000 http://www.hemidemi.com/user/bestslin/bookmark/info/855142 http://www.hemidemi.com/user/bestslin/bookmark/info/855142 http://www.hemidemi.com/images/somebody.png 60 60 hsuanwei (Duncan) Wed, 28 Feb 2007 08:22:18 +0000 http://www.hemidemi.com/user/hsuanwei/bookmark/info/855153 http://www.hemidemi.com/user/hsuanwei/bookmark/info/855153 http://www.hemidemi.com/image/user/228/228.png 60 60 yehzu2 (yehzu2) Wed, 28 Feb 2007 09:49:52 +0000 http://www.hemidemi.com/user/yehzu2/bookmark/info/855218 http://www.hemidemi.com/user/yehzu2/bookmark/info/855218 http://www.hemidemi.com/images/somebody.png 60 60 yozwang (yozwang) Wed, 28 Feb 2007 10:09:59 +0000 http://www.hemidemi.com/user/yozwang/bookmark/info/855232 http://www.hemidemi.com/user/yozwang/bookmark/info/855232 http://www.hemidemi.com/image/user/230/1766.png 60 60 ludouke (Ludouke) Wed, 28 Feb 2007 12:01:37 +0000 http://www.hemidemi.com/user/ludouke/bookmark/info/855682 http://www.hemidemi.com/user/ludouke/bookmark/info/855682 http://www.hemidemi.com/image/user/93/605.png 60 60 hoti518 (river old) Wed, 28 Feb 2007 12:43:28 +0000 http://www.hemidemi.com/user/hoti518/bookmark/info/855707 http://www.hemidemi.com/user/hoti518/bookmark/info/855707 http://www.hemidemi.com/image/user/179/3763.png 60 60 maso (maso) Wed, 28 Feb 2007 13:11:11 +0000 http://www.hemidemi.com/user/maso/bookmark/info/855735 http://www.hemidemi.com/user/maso/bookmark/info/855735 http://www.hemidemi.com/image/user/57/57.png 60 60 dryden (何封) Wed, 28 Feb 2007 13:34:07 +0000 http://www.hemidemi.com/user/dryden/bookmark/info/855762 http://www.hemidemi.com/user/dryden/bookmark/info/855762 http://www.hemidemi.com/image/user/41/2089.png 60 60 tuanyang (Marx) Wed, 28 Feb 2007 14:00:55 +0000 http://www.hemidemi.com/user/tuanyang/bookmark/info/855795 http://www.hemidemi.com/user/tuanyang/bookmark/info/855795 http://www.hemidemi.com/images/somebody.png 60 60 noname (windson) Wed, 28 Feb 2007 14:13:48 +0000 http://www.hemidemi.com/user/noname/bookmark/info/855811 http://www.hemidemi.com/user/noname/bookmark/info/855811 http://www.hemidemi.com/images/somebody.png 60 60 jinnslim (珍的耽溺) Wed, 28 Feb 2007 14:35:12 +0000 http://www.hemidemi.com/user/jinnslim/bookmark/info/855837 http://www.hemidemi.com/user/jinnslim/bookmark/info/855837 http://www.hemidemi.com/image/user/143/1935.png 60 60 jonxberg (岳納珊) Wed, 28 Feb 2007 14:52:54 +0000 http://www.hemidemi.com/user/jonxberg/bookmark/info/855860 http://www.hemidemi.com/user/jonxberg/bookmark/info/855860 http://www.hemidemi.com/image/user/3/2307.png 60 60 doasinfinity (DoAsInfinity) Wed, 28 Feb 2007 15:00:36 +0000 http://www.hemidemi.com/user/doasinfinity/bookmark/info/855875 http://www.hemidemi.com/user/doasinfinity/bookmark/info/855875 http://www.hemidemi.com/image/user/147/3475.png 60 60 fin (Ryo) Wed, 28 Feb 2007 15:01:14 +0000 http://www.hemidemi.com/user/fin/bookmark/info/855876 http://www.hemidemi.com/user/fin/bookmark/info/855876 http://www.hemidemi.com/images/somebody.png 60 60 tristeyang (由來由去) Wed, 28 Feb 2007 15:49:21 +0000 http://www.hemidemi.com/user/tristeyang/bookmark/info/856509 http://www.hemidemi.com/user/tristeyang/bookmark/info/856509 http://www.hemidemi.com/image/user/205/4813.png 60 60 spencerhong (spencerhong) Wed, 28 Feb 2007 15:52:38 +0000 http://www.hemidemi.com/user/spencerhong/bookmark/info/1243036 http://www.hemidemi.com/user/spencerhong/bookmark/info/1243036 http://www.hemidemi.com/image/user/198/4038.png 60 60 graywu (graywu) Wed, 28 Feb 2007 16:17:28 +0000 http://www.hemidemi.com/user/graywu/bookmark/info/856547 http://www.hemidemi.com/user/graywu/bookmark/info/856547 http://www.hemidemi.com/images/somebody.png 60 60 timhuang (timhuang) 有這麼精彩的video做教材佐證, 真的讓人印象深刻 Wed, 28 Feb 2007 16:20:38 +0000 http://www.hemidemi.com/user/timhuang/bookmark/info/856585 http://www.hemidemi.com/user/timhuang/bookmark/info/856585 http://www.hemidemi.com/images/somebody.png 60 60 davidsu (David Su) Wed, 28 Feb 2007 16:30:07 +0000 http://www.hemidemi.com/user/davidsu/bookmark/info/856604 http://www.hemidemi.com/user/davidsu/bookmark/info/856604 http://www.hemidemi.com/image/user/148/3732.png 60 60 tomky (Tomky) Wed, 28 Feb 2007 16:48:23 +0000 http://www.hemidemi.com/user/tomky/bookmark/info/856628 http://www.hemidemi.com/user/tomky/bookmark/info/856628 http://www.hemidemi.com/images/somebody.png 60 60 person (Person) Wed, 28 Feb 2007 17:06:52 +0000 http://www.hemidemi.com/user/person/bookmark/info/856646 http://www.hemidemi.com/user/person/bookmark/info/856646 http://www.hemidemi.com/image/user/236/1004.png 60 60 hougzou (莫里斯) Wed, 28 Feb 2007 17:42:04 +0000 http://www.hemidemi.com/user/hougzou/bookmark/info/856670 http://www.hemidemi.com/user/hougzou/bookmark/info/856670 http://www.hemidemi.com/images/somebody.png 60 60 liaopp (liaopp) Thu, 01 Mar 2007 02:32:33 +0000 http://www.hemidemi.com/user/liaopp/bookmark/info/856955 http://www.hemidemi.com/user/liaopp/bookmark/info/856955 http://www.hemidemi.com/image/user/82/3666.png 60 60 lanma (lanma) Thu, 01 Mar 2007 03:30:09 +0000 http://www.hemidemi.com/user/lanma/bookmark/info/857058 http://www.hemidemi.com/user/lanma/bookmark/info/857058 http://www.hemidemi.com/images/somebody.png 60 60 shinhann (shinhann) Thu, 01 Mar 2007 04:48:24 +0000 http://www.hemidemi.com/user/shinhann/bookmark/info/857132 http://www.hemidemi.com/user/shinhann/bookmark/info/857132 http://www.hemidemi.com/image/user/53/565.png 60 60 cycheng (cycheng) Thu, 01 Mar 2007 05:00:10 +0000 http://www.hemidemi.com/user/cycheng/bookmark/info/857144 http://www.hemidemi.com/user/cycheng/bookmark/info/857144 http://www.hemidemi.com/images/somebody.png 60 60 mbm (MBM) 用實驗來證明以前地科課本所講的東西 真的頗有趣 Thu, 01 Mar 2007 06:47:40 +0000 http://www.hemidemi.com/user/mbm/bookmark/info/857268 http://www.hemidemi.com/user/mbm/bookmark/info/857268 http://www.hemidemi.com/image/user/31/2591.png 60 60 cttw19 (昭) Thu, 01 Mar 2007 14:15:50 +0000 http://www.hemidemi.com/user/cttw19/bookmark/info/857740 http://www.hemidemi.com/user/cttw19/bookmark/info/857740 http://www.hemidemi.com/image/user/235/4331.png 60 60 organchem (Jerome) Thu, 01 Mar 2007 15:10:53 +0000 http://www.hemidemi.com/user/organchem/bookmark/info/857791 http://www.hemidemi.com/user/organchem/bookmark/info/857791 http://www.hemidemi.com/image/user/111/3951.png 60 60 qaz160154 (愛錢狗) 了解我們地球.... Fri, 02 Mar 2007 00:37:05 +0000 http://www.hemidemi.com/user/qaz160154/bookmark/info/858054 http://www.hemidemi.com/user/qaz160154/bookmark/info/858054 http://www.hemidemi.com/image/user/136/4488.png 60 60 e852369147 (欠人幹) Fri, 02 Mar 2007 00:38:58 +0000 http://www.hemidemi.com/user/e852369147/bookmark/info/858062 http://www.hemidemi.com/user/e852369147/bookmark/info/858062 http://www.hemidemi.com/images/somebody.png 60 60 engish83422 (嗜血☆) Fri, 02 Mar 2007 03:14:28 +0000 http://www.hemidemi.com/user/engish83422/bookmark/info/858275 http://www.hemidemi.com/user/engish83422/bookmark/info/858275 http://www.hemidemi.com/images/somebody.png 60 60 abuza (阿布查) Fri, 02 Mar 2007 05:56:47 +0000 http://www.hemidemi.com/user/abuza/bookmark/info/858872 http://www.hemidemi.com/user/abuza/bookmark/info/858872 http://www.hemidemi.com/image/user/33/3617.png 60 60 kkl666hhj333 (小狐狸) Fri, 02 Mar 2007 10:58:02 +0000 http://www.hemidemi.com/user/kkl666hhj333/bookmark/info/859140 http://www.hemidemi.com/user/kkl666hhj333/bookmark/info/859140 http://www.hemidemi.com/images/somebody.png 60 60 linkgis (happy) Fri, 02 Mar 2007 15:05:50 +0000 http://www.hemidemi.com/user/linkgis/bookmark/info/859503 http://www.hemidemi.com/user/linkgis/bookmark/info/859503 http://www.hemidemi.com/image/user/34/2082.png 60 60 zzz123 (阿淳) Sat, 03 Mar 2007 00:42:55 +0000 http://www.hemidemi.com/user/zzz123/bookmark/info/859868 http://www.hemidemi.com/user/zzz123/bookmark/info/859868 http://www.hemidemi.com/images/somebody.png 60 60 ok830418 (小鴨) Sat, 03 Mar 2007 03:26:20 +0000 http://www.hemidemi.com/user/ok830418/bookmark/info/860056 http://www.hemidemi.com/user/ok830418/bookmark/info/860056 http://www.hemidemi.com/images/somebody.png 60 60 cthsieh (長藝) Sat, 03 Mar 2007 17:21:53 +0000 http://www.hemidemi.com/user/cthsieh/bookmark/info/861289 http://www.hemidemi.com/user/cthsieh/bookmark/info/861289 http://www.hemidemi.com/images/somebody.png 60 60 eyekoko (安靜) Sun, 08 Apr 2007 08:09:46 +0000 http://www.hemidemi.com/user/eyekoko/bookmark/info/953172 http://www.hemidemi.com/user/eyekoko/bookmark/info/953172 http://www.hemidemi.com/image/user/197/453.png 60 60 joythecat (joy) Mon, 23 Jul 2007 01:41:29 +0000 http://www.hemidemi.com/user/joythecat/bookmark/info/1178493 http://www.hemidemi.com/user/joythecat/bookmark/info/1178493 http://www.hemidemi.com/image/user/145/6801.png 60 60 manko (曼子) Sun, 05 Aug 2007 21:03:26 +0000 http://www.hemidemi.com/user/manko/bookmark/info/1196735 http://www.hemidemi.com/user/manko/bookmark/info/1196735 http://www.hemidemi.com/image/user/144/1168.png 60 60 paperplane (裴珀普蘭) Mon, 06 Aug 2007 02:06:56 +0000 http://www.hemidemi.com/user/paperplane/bookmark/info/1196841 http://www.hemidemi.com/user/paperplane/bookmark/info/1196841 http://www.hemidemi.com/image/user/1/6913.png 60 60 fionyen (fionyen) Wed, 22 Aug 2007 09:28:56 +0000 http://www.hemidemi.com/user/fionyen/bookmark/info/1222573 http://www.hemidemi.com/user/fionyen/bookmark/info/1222573 http://www.hemidemi.com/image/user/232/7144.png 60 60 laviedailleurs (無花果) Thu, 20 Sep 2007 08:51:05 +0000 http://www.hemidemi.com/user/laviedailleurs/bookmark/info/1262965 http://www.hemidemi.com/user/laviedailleurs/bookmark/info/1262965 http://www.hemidemi.com/images/somebody.png 60 60 czk0622 (煜火小鼠) 哇~~神奇~~~果然地球還有很多神奇的地方 Tue, 02 Oct 2007 11:45:29 +0000 http://www.hemidemi.com/user/czk0622/bookmark/info/1278319 http://www.hemidemi.com/user/czk0622/bookmark/info/1278319 http://www.hemidemi.com/image/user/123/7547.png 60 60 qeggbaby (密西西比) Sat, 13 Oct 2007 06:09:38 +0000 http://www.hemidemi.com/user/qeggbaby/bookmark/info/1291299 http://www.hemidemi.com/user/qeggbaby/bookmark/info/1291299 http://www.hemidemi.com/images/somebody.png 60 60 weiyuhui (yu) Thu, 01 Nov 2007 04:52:08 +0000 http://www.hemidemi.com/user/weiyuhui/bookmark/info/1320328 http://www.hemidemi.com/user/weiyuhui/bookmark/info/1320328 http://www.hemidemi.com/images/somebody.png 60 60 yijuni (yijuni) Thu, 01 Nov 2007 11:06:28 +0000 http://www.hemidemi.com/user/yijuni/bookmark/info/1320739 http://www.hemidemi.com/user/yijuni/bookmark/info/1320739 http://www.hemidemi.com/images/somebody.png 60 60 yckmit (yckmit) Fri, 09 Nov 2007 15:31:51 +0000 http://www.hemidemi.com/user/yckmit/bookmark/info/1331980 http://www.hemidemi.com/user/yckmit/bookmark/info/1331980 http://www.hemidemi.com/images/somebody.png 60 60 emi (AA) Thu, 13 Dec 2007 01:19:22 +0000 http://www.hemidemi.com/user/emi/bookmark/info/1381086 http://www.hemidemi.com/user/emi/bookmark/info/1381086 http://www.hemidemi.com/images/somebody.png 60 60 aj003428 (林小多) Sun, 06 Jan 2008 16:17:57 +0000 http://www.hemidemi.com/user/aj003428/bookmark/info/1409932 http://www.hemidemi.com/user/aj003428/bookmark/info/1409932 http://www.hemidemi.com/images/somebody.png 60 60