Symfony Profiler

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            "content": "<p>As far as we can figure it, basically, yeah. Wrapping your brain around the concept is less tricky than you\u2019d think.<\/p>\n<p>So gravity gets stronger the closer you are to a black hole, but at the event horizon things get weird. The extreme curvature of spacetime forces space itself to flow toward the singularity at its center faster than the speed of light, so on the inside there\u2019s no \u201cother\u201d direction to point to, even photons emitted straight \u201cout\u201d can\u2019t reach the event horizon and end up moving in the same direction as everything else. So space becomes timelike, proceeding inexorably from point A to B.<\/p>\n<p>Time is more complicated, because it\u2019s really hard to visualize. If you fall into a black hole, you\u2019ll pass through all the outward-pointing light that\u2019s been failing to escape since the event horizon formed, which puts all the past history of the black hole below you. Meanwhile, anything that falls into the black hole in the future can be seen above as its downward-pointing photons catch up. The entire timeline of the interior evolution of the black hole is laid out in the light coming toward you from either direction, making it spacelike.<\/p>\n",
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                "content": "As far as we can figure it, basically, yeah. Wrapping your brain around the concept is less tricky than you'd think.\n\nSo gravity gets stronger the closer you are to a black hole, but at the event horizon things get weird. The extreme curvature of spacetime forces space itself to flow toward the singularity at its center faster than the speed of light, so on the inside there's no \"other\" direction to point to, even photons emitted straight \"out\" can't reach the event horizon and end up moving in the same direction as everything else. So space becomes timelike, proceeding inexorably from point A to B. \n\nTime is more complicated, because it's really hard to visualize. If you fall into a black hole, you'll pass through all the outward-pointing light that's been failing to escape since the event horizon formed, which puts all the past history of the black hole below you. Meanwhile, anything that falls into the black hole in the future can be seen above as its downward-pointing photons catch up. The entire timeline of the interior evolution of the black hole is laid out in the light coming toward you from either direction, making it spacelike. ",
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