MediaWiki API result

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            {
                "ns": 0,
                "title": "Friedman-Lemaitre-Robertson-Walker (FLRW) metric",
                "snippet": "Show that only the sign of spatial curvature has physical <span class='searchmatch'>meaning</span>, as renormalization of the scale factor rescales the curvature.\n",
                "size": 33678,
                "wordcount": 5293,
                "timestamp": "2015-02-03T16:46:53Z"
            },
            {
                "ns": 0,
                "title": "Technical warm-up",
                "snippet": "Coordinates are arbitrary and do not carry direct metrical <span class='searchmatch'>meaning</span>. An observer, stationary in a given coordinate frame, has 4-velocity $u^{\\m\n",
                "size": 15666,
                "wordcount": 2415,
                "timestamp": "2012-10-16T09:07:28Z"
            },
            {
                "ns": 0,
                "title": "Schwarzschild black hole",
                "snippet": "&lt;p style=&quot;text-align: left;&quot;&gt;*Note that $r_0$ has the <span class='searchmatch'>meaning</span> of a turning point only for finite motion; this, however, does not prevent \n...tegral diverges logarithmically, twice faster than the one for $t(r)$. The <span class='searchmatch'>meaning</span> of this number is the following: as $r\\to r_{g}$, the geodesics of massive \n",
                "size": 65830,
                "wordcount": 10465,
                "timestamp": "2013-05-02T10:02:59Z"
            },
            {
                "ns": 0,
                "title": "Energy conditions and the Raychaudhuri equation",
                "snippet": "=== Problem 9: geometrical <span class='searchmatch'>meaning</span> in 3D ===\n...ngruence in a three-dimensional Riemannian manifold. What is the geometric <span class='searchmatch'>meaning</span> of $\\Theta$, $\\sigma$ and $\\omega$ for $B_{\\mu\\nu}=u_{\\nu;\\mu}$?\n",
                "size": 27995,
                "wordcount": 4536,
                "timestamp": "2013-12-09T18:28:02Z"
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            {
                "ns": 0,
                "title": "Planck scales and fundamental constants",
                "snippet": "...ntal constant, certainly changes it's dimensionality, but not the physical <span class='searchmatch'>meaning</span>. For example, the quantity $e\\equiv E/c^2$ is energy, despite it has the di\n...ticular, the Newton force unit and Newton power unit. What is the physical <span class='searchmatch'>meaning</span> of these quantities? Why is there no Newton length scale?\n",
                "size": 10683,
                "wordcount": 1543,
                "timestamp": "2013-12-20T11:37:15Z"
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            {
                "ns": 0,
                "title": "Forest for the trees",
                "snippet": "...h a surface of a star in finite time (and at finite distance). This is the <span class='searchmatch'>meaning</span> of Olbers' paradox.&lt;/p&gt;\n",
                "size": 6925,
                "wordcount": 1113,
                "timestamp": "2012-11-10T17:34:11Z"
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            {
                "ns": 0,
                "title": "Kerr black hole",
                "snippet": "Now we see the physical <span class='searchmatch'>meaning</span> of the quantity $\\omega(r,\\theta)$.\t&lt;/p&gt;\nWhat is the <span class='searchmatch'>meaning</span> of negative energy? Why in this case (and in GR in general) energy is ''not\n",
                "size": 60937,
                "wordcount": 9709,
                "timestamp": "2013-12-08T14:38:07Z"
            },
            {
                "ns": 0,
                "title": "Point gravitational lenses",
                "snippet": "\t\tNote, that this index of refraction is effective and has no direct physical <span class='searchmatch'>meaning</span>. Obtained expressions are valid when\n",
                "size": 16821,
                "wordcount": 2590,
                "timestamp": "2014-04-23T00:36:09Z"
            },
            {
                "ns": 0,
                "title": "Particles' motion in general black hole spacetimes",
                "snippet": "...rimes refer to the comoving frame. Then, $\\tau _{obs}=t^{\\prime }$ has the <span class='searchmatch'>meaning</span> of \nwith some $N^{i}$. It has the simple physical <span class='searchmatch'>meaning</span> of the velocity of the\n",
                "size": 35061,
                "wordcount": 5431,
                "timestamp": "2013-05-02T06:26:34Z"
            },
            {
                "ns": 0,
                "title": "Causal Structure",
                "snippet": "...hi)$ and $(T,R)$ in the regions where $|\\cos\\eta|&gt;|\\cos\\chi|$. Explain the <span class='searchmatch'>meaning</span> of $T$ and $R$.\n",
                "size": 25972,
                "wordcount": 4112,
                "timestamp": "2013-12-08T18:00:47Z"
            }
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