| 查看: 3310 | 回复: 30 | |||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | |||
coolrainbow木虫 (著名写手)
未来国家冻凉
|
[交流]
中微子超光速？爱因斯坦还是赢了：电脑上有根线没插好已有22人参与
|
||
|
http://news.sciencemag.org/scien ... -undoes-faster.html BREAKING NEWS: Error Undoes Faster-Than-Light Neutrino Results It appears that the faster-than-light neutrino results, announced last September by the OPERA collaboration in Italy, was due to a mistake after all. A bad connection between a GPS unit and a computer may be to blame. Physicists had detected neutrinos travelling from the CERN laboratory in Geneva to the Gran Sasso laboratory near L'Aquila that appeared to make the trip in about 60 nanoseconds less than light speed. Many other physicists suspected that the result was due to some kind of error, given that it seems at odds with Einstein's special theory of relativity, which says nothing can travel faster than the speed of light. That theory has been vindicated by many experiments over the decades. According to sources familiar with the experiment, the 60 nanoseconds discrepancy appears to come from a bad connection between a fiber optic cable that connects to the GPS receiver used to correct the timing of the neutrinos' flight and an electronic card in a computer. After tightening the connection and then measuring the time it takes data to travel the length of the fiber, researchers found that the data arrive 60 nanoseconds earlier than assumed. Since this time is subtracted from the overall time of flight, it appears to explain the early arrival of the neutrinos. New data, however, will be needed to confirm this hypothesis. |
回复此楼» 猜你喜欢
香港理工大学计算材料与物理课题组招聘博后
已经有15人回复
-
求标准卡片Cu0.4In0.4Zn1.2S2 PDF#32-0340
已经有2人回复
-
物理化学论文润色/翻译怎么收费?
已经有133人回复
-
西班牙Institut Català de Nanociència i Nanotecnologia, CSIC-BIST招收公派博士生
已经有0人回复
-
量子点电致发光器件（QLED）：蓝光量子点（QDs）和纳米氧化锌电子传输材料
已经有0人回复
-
书籍求助：汽车市场营销理论与实务（电子版）——章小平
已经有0人回复
-
英国利物浦大学屠昕和雍雪课题组招收CSC博士生
已经有26人回复
-
北京交通大学王熙教授团队招收2026年入学催化方向博士研究生（还有1个名额）
已经有0人回复
-
需要一个圆偏振光诱导化学反应，请问使用圆偏振光作为光源，应该需要哪些设备搭建
已经有0人回复
-
华北电力大学（北京）（第一性原理计算）博士招生——学博，专博各1人
已经有44人回复
» 本主题相关价值贴推荐，对您同样有帮助:
中微子超光速结论或被撤销
已经有26人回复- 中微子真的是超光速么？
已经有53人回复
- 物理理论框架塌了，中微子超光速实验 确认之前结果
已经有98人回复
hxl4054
铁杆木虫 (知名作家)
薛定谔的喵星人
- 应助: 238 (大学生)
- 贵宾: 0.015
- 金币: 8991.6
- 散金: 5901
- 红花: 322
- 沙发: 4
- 帖子: 5133
- 在线: 1251.4小时
- 虫号: 943072
- 注册: 2010-01-15
- 性别: GG
- 专业: 药物化学
8楼2012-02-23 18:46:54
hxl4054
铁杆木虫 (知名作家)
薛定谔的喵星人
- 应助: 238 (大学生)
- 贵宾: 0.015
- 金币: 8991.6
- 散金: 5901
- 红花: 322
- 沙发: 4
- 帖子: 5133
- 在线: 1251.4小时
- 虫号: 943072
- 注册: 2010-01-15
- 性别: GG
- 专业: 药物化学
学习16楼2012-02-24 10:27:48
hxl4054
铁杆木虫 (知名作家)
薛定谔的喵星人
- 应助: 238 (大学生)
- 贵宾: 0.015
- 金币: 8991.6
- 散金: 5901
- 红花: 322
- 沙发: 4
- 帖子: 5133
- 在线: 1251.4小时
- 虫号: 943072
- 注册: 2010-01-15
- 性别: GG
- 专业: 药物化学
29楼2012-08-27 11:13:48
hxl4054
铁杆木虫 (知名作家)
薛定谔的喵星人
- 应助: 238 (大学生)
- 贵宾: 0.015
- 金币: 8991.6
- 散金: 5901
- 红花: 322
- 沙发: 4
- 帖子: 5133
- 在线: 1251.4小时
- 虫号: 943072
- 注册: 2010-01-15
- 性别: GG
- 专业: 药物化学
30楼2012-08-27 11:16:34