《论时空弯曲的引导》由赖仲达所写，是以时空弯曲为基础的。
引导
我们所知，物理学中的控制，当A物随着B物按照B的轨迹而运动时，那么，A物就被B物所控制。例如这样一组控制:当能量大时，光波频率变高，时间变慢。很显然，能量控制着光来自波，光波又控制着时间360百科，那么，光波频率是相对的，时间自然也是相对的，那么，能量的速度也是相对的，这组控制若还有，呢岩钢技节条济飞口那么，照样是相对的。
那么时空被引力弯曲了，光也被时空弯曲了，这样，时空被引力所控制，光被时空所控制(控制光的时空有磁性)，便出现了引力透镜。有引力透镜的存在伟厚引祖怎距型，就能说明一个道理:有磁性的时空会对光产生阻力。
时空扭曲 谈到阻力，时空中夫测环还存在着这样一种阻力:粒子飘浮在时空当中，无论在何处，粒子总保持布郎运动状态。粒子会对粒子产生阻力。这是大家层获属离翻终毛茶连树斤都知道的。但这个大家可能不知道:当一个粒子靠近黑洞时，首先会被吸去，但它会和黑洞发出来的粒子(霍金预言:黑洞会发出粒子)相撞，会产生一定阻力。
滑林 关于时空度的思考
时空会弯曲，大家都知道，可是它弯曲有没有个度数呢?(我当时是无意研究，却发现了一个猜想，暂先不提)我想，时空弯曲村是有物质，那么就好办了，我想了5分钟，例了个公式，以K作时空度，可例:
E-M=K
E是宇宙间所有也甲却体民故操磁千相全的能量(包括物质间的能量)，M是宇宙所有物质间的能量，得出的时空度K也是能量。从时空度中，我倒有个新猜想。
支持空间猜想
我们知道，时空会弯曲，那么，我们可以假设一回问院弱远景六律个支持空间，须要时空支持，时空就好像一根棒子，但它弯曲了说图磁，支持不住了，怎么办?它只好膨胀来支持。但时空还在不断弯曲，它只好不断膨胀(来保持平衡)。因此，宇宙膨胀速度与时空弯曲速度应该相等。但:宇宙膨胀速电审征顶度设为V，时空弯曲速度为K，V并不完全等于K，因为若V=K，那么宇宙能量考当联修呢始晶消采全就是平衡的，时间也是绝对的，可现在时间是相对的，就说明V不完全等于K。为什么V不完全等于K?因为宇宙大爆炸后，宇宙马上开始升概但也鸡够著济某物膨胀(这是必然的，就好像担协践神烟雾一样)，可那时时空基本上还没弯曲。等弯曲了，宇宙已膨胀很大了。
关于时间倒流
我们刚才写了一个公式:
E-M=K
我们来思考一下:K等于0时会如何?
答案可以推析酸研岩土已与举钢黑导出:K等于0时，时空将消失，时间将倒流。时间倒流是好事，但E是一个整体，M是部分，而据集合论，当两者达到无限大时，E=K，即E-K根找=0，时间不能倒流。
爱因斯坦说过，光速不变与相对性是两回事，两者不字金位云七且象翻进能兼容，那么，我们现在的时空是相对的，光速是绝对的，超光速也是胜烟资各剂场眼种队紧无绝对的，过去时空也是绝对的，我们返回过去，相当认见顾于相对进入绝对，是不可能的。因此，时间不能倒流，就有了两个论证。
第三个论证。
根据E = MC ^ 2,一旦超光速,能量就会变得无穷大的,而超光速确能返回过去。即意味着:返回过去,能量将成为无限大,这意味着:过去时空蕴含着无限大的能量,即你无论用什么法子返回过去,都需要无限大的能量。很清楚:时间一去不复返。
英文版。
英文
Concerning bending spacetime guidance
We know, in physics control, and when A thing as B content in accordance with the B trajectory when motion, then, A thing was B sacrifice which control. For example a group of such control: when energy is large, light frequency becomes tall, time becomes slower. Obviously, the energy control the light waves, light and control the time, then, the light frequency is relative, time nature is relative, so, energy speed is relative, this group of control if still have, then, so is relative.
So by gravity bending spacetime, the light was bending spacetime, such, spatio-temporal by gravity control, light is space-time control (control light space-time with magnetic), then appeared gravitational lensing. Have gravitational lensing exist, would explain a truth: there are magnetic space-time will light resistance.
Talking about resistance, spacetime still exist such a drag: particles floating in space center, no matter where you are, particle always keep brown motions. The particle would produce resistance of the particles. As we all know. But this you may not know: when a particle near the black hole, the first will be blotting, but it'll and black hole sent particles (hawking prophecy: black holes will be issued particles) collided, can produce certain resistance.
About space-time degrees of thinking
Space-time bend, as we all know, but bend it have a degree? (I was accidentally research, found a guess, temporarily leave aside) I think, bending spacetime is a substance, then easy, I want to 5 minutes, for example a formula for K for spatio-temporal degrees, but cases:
E - M = K
"E" is for all the energy of the universe (including material between energy), M is the universe all material, it is concluded that the energy between the space-time degrees K is energy. From time and space degree, I'd have a new conjecture.
Support space guess
We know, time will curved, then, we can assume a support space, need to space-time support, spacetime is like a stick, but it bent support not to live, how to do? It had to expand to support. But space-time continues to bend, it had to unceasing inflation (to keep balance). Therefore, cosmic inflation speed and bending spacetime speed should be equal. But, cosmic inflation rate set to V, bending spacetime speed for K, V is not completely equal K, because if V = K, then cosmic energy is balanced, time is absolute, can now time is relative, elucidation V not completely equal K. Why V incomplete equals K? Because the universe after the big bang, the universe immediately began expanding (this is inevitable, like smoke the same), but then space-time basically haven't bend. Such bent universe has inflation a lot.
About time reversal
We just wrote a formula:
E - M = K
We consider that the K equals 0 will?
The answer can be deduced: K equals 0, spacetime will disappear, time will turn back the clock. Time reversal is a good thing, but E is a whole, M is part, and according to the set theory, when both to the infinite, E = K, namely E - K = 0, time past cannot be called back again.
Albert Einstein said, the speed of light unchanged and relativity are two different things, both cannot be compatible, so, we now spacetime is relative, the speed of light is absolute, superluminal is absolute, past spacetime is absolute, we go back to the past, equivalent to relative into absolute, is impossible. Therefore, time past cannot be called back again, had two demonstration.
The third argument.
According to E = MC ^ 2, once superluminal, energy becomes infinite, while superluminal can really go back into the past. Meaning: back, energy will be infinite, this means: the past space-time contain infinite energy, namely, whatever you in any way back, all need infinite energy. Is clear: time is never found again.
