That means that this temperature right here is the absolute lowest temperature you can go to that physically makes any sense.
是物理上不可能的状态,也就是说这一点,对应的温度是物理上。
Yes, I have. Freshman year, I was having a lot of trouble in my Physics class, and
是的。大一那年,我在物理课上遇到了很多难题,
Bohr and Einstein were considered the top two physicists in the world through the first part of the 20th century.
波尔和爱因斯塔被认为,是世界上顶尖的两个物理学家,在整个20世纪前页。
It's roughly the same size physically as those floppy disks and yet how many, how much, how many bytes fit on a typical hard drive today?
从物理大小上来说几乎相同,那么现在的硬盘的存储大小,一般有多少字节呢?
Now,what I've been arguing is that,logically speaking, even if you are a physicalist, that doesn't rule out the possibility of survival.
我现在要说的就是,逻辑上讲,即便你是物理主义者,也无法排除生存的可能性。
I've been here in MIT for thirty years, and in the early nineties I taught the large freshmen physics course, and electromagnetism.
我麻省理工工作三十年了,在上世纪九十年代初,我就开始给大一新生上物理课,以及电磁学。
In our business, you got to be inventing new things because software doesn't wear out, it doesn't break, or at least if it breaks it was broken when you finished it, it doesn't break over time the way physical goods do.
在我们行业,你需要不断发明新事物,因为软件并不会磨损,不会坏,或者至少如果坏了,也是在你运行完之后,它并不像物理上的东西会随着时间磨损。
In fact the number of photons headed to your your eyes from those 2 tiles is exactly the same, physically that is the same.
实际上这两张瓷片,投射进你眼睛的光量子是一样的,从物理学的角度上说是完全相同的。
It just means a physical place, and what it appears to be is the citadel, the fortress that was the center of the towns that grew up after the Bronze Age, after the collapse of the Mycenaean world.
它只是一个物理上的地名,它看上去像城堡,要塞,是在青铜时代完结,迈锡尼世界崩塌之后,所建立的城镇的中心
It's important for you guys to know that everything you write down in the notebook or blackboard as a symbol is actually a measured quantity.
其重要性就在于,你们要知道,你们记在本子上或者写在黑板上的任何物理符号,实际上都是测量量
So we need to revise our account of what it is on the physicalist picture to say that you're dead.
我们应该重新修改一下,物理主义学上对死亡的定义。
There are three places on the planet that have the high energy physics equipment in order to make these, and these are the three places.
在地球上有三个地方,有高能物理设备,为了制造出这些元素,有三个地方。
It's not the most interesting physical object in the world, but it's a whole lot more interesting than a piece of chalk.
它虽不是这个世界上最吸引人的物理对象,但它能干的事比一根粉笔能干的有趣多了
So even though we're not literally throwing RAM away, we're not physically moving anything, conceptually, we have to go through memory in this order back to back to back and then undo it.
即使我们没有把内存依次扔掉,我们物理上没有移动任何东西,概念地,我们必须按照顺序经过内存,回到这里然后撤销它。
So this is making physical sense.
这在物理上是讲得通的。
We could, on the physicalist point of view, call those souls.
我们可以站在物理主义者的角度上,称其为灵魂
What is it to die,on the physicalist view?
在物理学者的角度上,什么才是死亡?
He says, I plead guilty, but your physics is useless at this length scale.
他说,我没有错,而是你的物理在这个尺度上没有用武之地。
So the first thing about this is we're really reintroducing the experiments back into freshmen physics.
因此最重要的一点是,我们确实将实验重新引入,到大一新生的物理课上。
But still, in a sense, we're just a glorified physical object.
但是,在某种意义上,人只是"高级"的物理实体
That's what we're doing in physics.
这便是我们在物理上所做的。
They're just physical objects, programs on machines.
它们只是些物理对象,只是些机器上的程序罢了
I can change everything overnight; it does happen. I put that in for a reason because sometimes some of you have not taken a physics course and you don't know how to do well in physics and slowly you catch on and by the time it's Final exam you crack the code; you know how to do well.
我能一夜之间扭转乾坤,确实有过这样的例子,我这样做是因为,有时你们中有人可能以前没上过物理课,不知道怎样学好物理,但慢慢地你赶了上来,到期末考试的时候,你忽然灵光一闪,考起试来得心应手
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