短江看了这个吗？

短江看了这个吗？

所有跟贴·加跟贴·新语丝读书论坛

送交者: eddie 于 2015-03-24, 21:03:34:

http://spark.sciencemag.org/generalrelativity/

"负温度系统接触到正温度系统", 时空曲率的扰动: 都会自发的释放能量 - bosebose (795 bytes) 2015-03-25, 07:20:42 (775181)
- Eric verlinde was only saying the gravity is not a fundamental force - pgss (133 bytes) 2015-03-25, 07:42:01 (775184)
- and i don't think there is anyting to do with -ve temperature (无内容) - pgss (0 bytes) 2015-03-25, 07:43:05 (775185)
  - gravity as an entropy force, 熱力學/statistical physics 模型; - bosebose (182 bytes) 2015-03-25, 07:49:08 (775187)
    - erik verlinde talked about newtonian gravity, not GR (无内容) - pgss (0 bytes) 2015-03-25, 13:09:32 (775220)
      - thank u: erik verlinde's model is non-relativistic - bosebose (51 bytes) 2015-03-25, 19:28:08 (775241)
    - i dont understand what u r talking about, sorry (无内容) - pgss (0 bytes) 2015-03-25, 13:08:55 (775219)

这个是大师级的解释。以前短老整天念叨GR，俺也没在理解上深入一步。 (无内容) - BigMac (0 bytes) 2015-03-24, 23:18:39 (775179)

他这个和我那个各有好处你还是叫小苹果吧 (无内容) - 短江学者 (0 bytes) 2015-03-24, 23:33:59 (775180)

刚转给我儿子看。不到一分钟，他就回答说“nice presentation". - jxh (33 bytes) 2015-03-24, 22:16:34 (775178)

an another good one: Albert Einstein - History Channel - bosebose (422 bytes) 2015-03-25, 08:23:23 (775191)
- Thank you! (无内容) - jxh (0 bytes) 2015-03-25, 11:43:16 (775210)

谢谢这个把加速运动画的好说明只有时间相对了才能解释没有重力为何加速下落 (无内容) - 短江学者 (0 bytes) 2015-03-24, 21:27:22 (775177)