記者的相對論
我不知道應該要PO笨版還是這裡...
http://udn.com/NEWS/WORLD/WOR4/2624677.shtml
相對論小檔案
袁世忠
相對論是愛因斯坦最偉大的研究,對20世紀和21世紀的人類影響深遠。而他提出的E=MC2
,是相對論最重要的計算公式,這個公式提出了在物質變換和產生能量時,「速度」扮演
的關鍵角色;後來E=MC2更被人類應用,發明了毀滅能力超強的原子彈。
簡單來說,相對論是在能量(E)和質量(M)的變化關係中,加入了「速度」(C)。一
個物質能產生多少能量,和它的速度有密切關係。例如一顆石頭扔出手,如果速度慢,產
生的力道就小;但如果超快,它產生的力道就很大,可能傷人。
愛因斯坦更在相對論的理論中,提出光速不是普通的「速度」,它是絕對的速度,他根據
這一原則,繼續推導出「時間是相對的」、「空間是相對的」、「時空是可以轉換的」等
概念。
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.41.56
推
220.142.103.64 04/18, , 1F
220.142.103.64 04/18, 1F
→
219.29.108.40 04/18, , 2F
219.29.108.40 04/18, 2F
推
140.115.213.109 04/18, , 3F
140.115.213.109 04/18, 3F
推
140.114.216.142 04/18, , 4F
140.114.216.142 04/18, 4F
推
211.22.100.70 04/18, , 5F
211.22.100.70 04/18, 5F
推
218.163.97.40 04/18, , 6F
218.163.97.40 04/18, 6F
推
140.112.41.56 04/18, , 7F
140.112.41.56 04/18, 7F
推
140.135.26.62 04/18, , 8F
140.135.26.62 04/18, 8F
推
218.163.223.15 04/18, , 9F
218.163.223.15 04/18, 9F
推
140.123.104.34 04/18, , 10F
140.123.104.34 04/18, 10F
推
140.134.140.40 04/18, , 11F
140.134.140.40 04/18, 11F
推
210.62.72.201 04/18, , 12F
210.62.72.201 04/18, 12F
→
210.62.72.201 04/18, , 13F
210.62.72.201 04/18, 13F
推
140.123.104.34 04/18, , 14F
140.123.104.34 04/18, 14F
推
218.166.160.189 04/18, , 15F
218.166.160.189 04/18, 15F
→
140.123.104.34 04/18, , 16F
140.123.104.34 04/18, 16F
推
210.62.72.201 04/18, , 17F
210.62.72.201 04/18, 17F
→
210.62.72.201 04/18, , 18F
210.62.72.201 04/18, 18F
推
61.60.127.18 04/18, , 19F
61.60.127.18 04/18, 19F
推
218.162.176.117 04/18, , 20F
218.162.176.117 04/18, 20F
→
61.60.127.18 04/18, , 21F
61.60.127.18 04/18, 21F
→
61.60.127.18 04/18, , 22F
61.60.127.18 04/18, 22F
推
140.123.104.34 04/18, , 23F
140.123.104.34 04/18, 23F
→
140.123.104.34 04/18, , 24F
140.123.104.34 04/18, 24F
推
220.143.48.190 04/18, , 25F
220.143.48.190 04/18, 25F
推
220.132.49.23 04/18, , 26F
220.132.49.23 04/18, 26F
→
220.132.49.23 04/18, , 27F
220.132.49.23 04/18, 27F
推
140.112.240.204 04/18, , 28F
140.112.240.204 04/18, 28F
推
140.112.43.6 04/18, , 29F
140.112.43.6 04/18, 29F
推
140.112.243.210 04/18, , 30F
140.112.243.210 04/18, 30F
推
140.112.244.219 04/18, , 31F
140.112.244.219 04/18, 31F
推
220.143.234.36 04/18, , 32F
220.143.234.36 04/18, 32F
推
61.216.44.241 04/18, , 33F
61.216.44.241 04/18, 33F
推
61.229.108.158 04/18, , 34F
61.229.108.158 04/18, 34F
→
61.229.108.158 04/18, , 35F
61.229.108.158 04/18, 35F
推
218.172.16.38 04/18, , 36F
218.172.16.38 04/18, 36F
推
59.113.189.96 04/18, , 37F
59.113.189.96 04/18, 37F
推
192.192.154.33 04/19, , 38F
192.192.154.33 04/19, 38F
推
140.117.16.64 04/19, , 39F
140.117.16.64 04/19, 39F
推
59.121.209.187 04/23, , 40F
59.121.209.187 04/23, 40F
→
59.121.209.187 04/23, , 41F
59.121.209.187 04/23, 41F
推
203.71.166.214 06/19, , 42F
203.71.166.214 06/19, 42F
→
218.169.79.6 08/10, , 43F
218.169.79.6 08/10, 43F
→
218.169.79.6 08/10, , 44F
218.169.79.6 08/10, 44F
→
218.169.79.6 08/10, , 45F
218.169.79.6 08/10, 45F
→
218.169.79.6 08/10, , 46F
218.169.79.6 08/10, 46F
→
218.169.79.6 08/10, , 47F
218.169.79.6 08/10, 47F