TED演讲:估算大数目的妙诀(1)

Whether you like it or not, we use numbers every day. 不管你喜不喜欢，我们每天都会用到数字。 Some numbers, such as the speed of sound, are small and easy to work with. 有些数字比如音速，数值不大，容易计算。 Other

TED演讲:估算大数目的妙诀(2)

At first, there seem to be so many unknowns that the problem appears to be unsolvable. 乍一看存在太多未知的信息，这个问题根本无法回答。 That is the perfect application for a power-of-10 estimation, as we don't need an exact an

英闻天下——499 37 People Killed in Iran's Earthquake

The death toll from Tuesday's earthquake in southern Iran has risen to 37. At least 850-others have been injured in the earthquake. The magnitude-6.3 quake has been followed by over a dozen strong aftershocks. Most of those killed are in the city of

Power Returns to Indonesian City but Condition of Thousands Unknown

Electric power stations were operating again and some businesses reopened in the Indonesian city of Palu on Thursday. However, the condition of thousands of people in nearby communities was unknown nearly a week after an earthquake and tsunami hit th

7.2-magnitude earthquake hits southwest of Guam

WASHINGTON, Aug. 13 (Xinhua) -- A major 7.2-magnitude earthquake struck southwest of U.S. territory Guam on Saturday local time, the United States Geological Survey reported on its website. The quake occurred at 7:19 a.m. on Saturday local time (2119

学个词Learn a Word 第933期 Magnitude

今天我们要学的词是magnitude。 Magnitude, 意思是强度、规模。 An 8.8 magnitude earthquake struck central Chile early Saturday, 智利中部地区星期六早上发生八点八级地震。美国高尔夫球选手老虎.伍兹的母亲对

每日一词【933】magnitude：强度、规模

今天我们要学的词是magnitude。 Magnitude, 意思是强度、规模。 An 8.8 magnitude earthquake struck central Chile early Saturday, 智利中部地区星期六早上发生八点八级地震。美国高尔夫球选手老虎.伍兹的母亲对

6.0 magnitude earthquake jolts Taiwan's Pingtung

BEIJING/TAIPEI, Feb. 26 (Xinhua) -- A 6.0 magnitude earthquake hit Taiwan's Pingtung at 10:34 Beijing Time (02:34 GMT) on Sunday, said the China earthquake network center (CENC). The epicenter was monitored at 22.8 degrees north latitude and 120.8 de

6.6-magnitude earthquake hits NW China's Xinjiang

BEIJING, June 30 (Xinhua) -- An earthquake measuring 6.6 on the Richter scale jolted northwest China's Xinjiang Uygur autonomous region at 5:07 a.m. Saturday (Beijing Time), according to the China Earthquake Networks Center. The epicenter is determin

6.2-magnitude quake hits Xinjiang -- CENC

BEIJING, Aug. 12 (Xinhua) -- A 6.2-magnitude earthquake jolted northwest China's Xinjiang Uygur Autonomous Region at 18:47 Beijing Time on Sunday, according to the China Earthquake Networks Center (CENC). The epicenter, with a depth of about 30 kilom

5.6-magnitude quake hits off the east coast of Honshu, Japan -- USGS

HONG KONG, Dec. 8 (Xinhua) -- An earthquake measuring 5.6 on the Richter scale jolted off the east coast of Honshu, Japan at 23: 00:02 GMT on Friday (07:00:02 Beijing Time), the U.S. Geological Survey said. The epicenter, with a depth of 34.20 km, wa

6.0 magnitude quake hits Indonesia, triggers panic

JAKARTA, Jan. 22 (Xinhua) -- An earthquake with magnitude of 6.0 jolted Aceh in northern tip of Sumatra island earlier Tuesday, triggered panic, but no damage and casualty has been reported yet, officials said here. The USGS reported that the quake w

2007年VOA标准英语-Experts Investigate Possible Nuclear Plant Leak

By Catherine Makino Tokyo 17 July 2007 A day after a powerful earthquake struck Japan's northwestern coast, officials are investigating the possibility of radioactive leaks at a nuclear power plant. As Catherine Makino reports from Tokyo, the search

AP 2010-03-07

1. The outgoing president of Chile is asking for foreign help in dealing with what she calls a catastrophe of such unthinkable magnitude. The 8.8-magnitude quake struck early Saturday. The death toll has now topped 700. Half a million homes were eith

5.5-magnitude earthquake hits Southern California

LOS ANGELES, Aug. 26 (Xinhua) -- A swarm of earthquakes including one of 5.5-magnitude hit Southern California area near the Mexican border around noon Sunday, according to the U.S. Geological Survey. The quakes started to hit the area of Brawley at

委内瑞拉发生6.1级地震

WASHINGTON, Oct. 11 (Xinhua) -- A 6.1-magnitude earthquake jolted off the northeastern coast of Venezuela on Friday, the U.S. Geological Survey said. The quake, which occurred at 0210 GMT Saturday, was centered 33 km north of the town of Gueiria.

CCTV9英语新闻：Magnitude-6.2 quake jolts waters off Taiwan

The China Earthquake Networks Center has reported a magnitude-6.2 earthquake in Taiwan. It hit the waters just east of the coastal city of Yilan at 11:17 a.m. Beijing Time. The tremor struck at a depth of 15 kilometres, and was felt as far as 60 kilo

CCTV9英语新闻：CENC: Magnitude-6.0 quake jolts waters off Taiwan

The China Earthquake Networks Center is reporting that a magnitude-6.0 earthquake hit waters off Taiwan the morning. The quake struck at a depth of 15 kilometers, just east of the coastal city of Yilan. It was felt as far as 60 kilometers away, in th

俄罗斯愿意帮助雅安地震救援

MOSCOW, April 21 (Xinhua) -- Russian rescuers were ready to assist quake-hit China with searching operation, emergency authorities said Sunday. An Ilyushin Il-76 with 71 rescue personnel from the Siberian regional center will fly out to China within

万物简史 第301期:地下的烈火(9)

The San Francisco earthquake of 1906, for comparison, measured an estimated 7.8 on the Richter scale and lasted less than thirty seconds. 相比之下，1906年的旧金山地震只有里氏7.8级，持续了不到30秒。 Earthquakes are fairly comm