query: How important is it for Superman to see the light of day?
positive_passages.docid: 18041
positive_passages.text: Lock Superman Underground, how long till he loses his powers?
negative_passages.docid: 151176
negative_passages.text: If I point a torch up, would the photons hit anything?
negative_passages.docid: 69818
negative_passages.text: What is Superman's "normal" lifespan under the effects of a yellow sun?
negative_passages.docid: 139098
negative_passages.text: Can the Flash run faster than light?
negative_passages.docid: 97843
negative_passages.text: Does Superman have super powers outside of our solar system?
negative_passages.docid: 37941
negative_passages.text: Can light travel slower than the maximum?
negative_passages.docid: 51628
negative_passages.text: Can UV light make us invisible?
negative_passages.docid: 82556
negative_passages.text: Looking forward to " see" or "seeing"?
negative_passages.docid: 48690
negative_passages.text: Does a photon interfere only with itself?
negative_passages.docid: 128577
negative_passages.text: Intensity of light
negative_passages.docid: 81771
negative_passages.text: Determining the best UV exposure time
negative_passages.docid: 82324
negative_passages.text: Is purple in visible light?
negative_passages.docid: 24863
negative_passages.text: How can gravity affect light?
negative_passages.docid: 63030
negative_passages.text: Is Earth's orbit around the Sun affected by the ~8 minutes light delay?
negative_passages.docid: 16455
negative_passages.text: Which mode should i trust for lighting?
negative_passages.docid: 82757
negative_passages.text: What does Superman do with his regular clothes after changing in the phone booth?
negative_passages.docid: 57961
negative_passages.text: Some doubts about photons