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We have to have a combination of general relativity that describes the warping of space and time, and quantum physics, which describes the uncertainties in that warping and how they change.
You know the Einstein waves can be thought of as a distortion of space and time. But the way we see it, we see it as a distortion of space. And space is enormously stiff. You can't squish it; you can't change its dimensions so easily.
We don't tell the officials to change the standard for the playoffs, but as we all know, time and space tends to evaporate very quickly in a playoff game; there tends to be a lot more physicality and a lot more adjustments in the course of a series.
The obvious thing to me was, let's take freely floating masses in space and measure the time it takes light to travel between them. The presence of a gravitational wave would change that time. Using the time difference, one could measure the amplitude of the wave.
We try to keep it a normal day while we're up in space. You know, you don't want to change your time cycle too much, so we just keep it normal. And so, about 5 or 6 o'clock at night, after we finish working, we knock it off by having prerecorded shows that we watch sometimes through the computer while we're eating dinner.