query: How long do Superman's powers last without access to the Sun's radiation?
positive_passages.docid: 18041
positive_passages.text: Lock Superman Underground, how long till he loses his powers?
negative_passages.docid: 2191
negative_passages.text: Is there a maximum amount of photons that can exist in a certain amount of space?
negative_passages.docid: 100415
negative_passages.text: Do photons lose energy after radiation pressure is applied to a perfect reflector?
negative_passages.docid: 57961
negative_passages.text: Some doubts about photons
negative_passages.docid: 132545
negative_passages.text: How much energy is necessary to set a year to exactly 360 days
negative_passages.docid: 106820
negative_passages.text: What longest time ever was achieved at holding light in a closed volume?
negative_passages.docid: 90609
negative_passages.text: Why does a Devil Fruit's power nullify only if the user is knocked unconscious and not when he sleeps?
negative_passages.docid: 53874
negative_passages.text: Why don't absorption and emission lines cancel out in our Sun?
negative_passages.docid: 106917
negative_passages.text: Do individual rays of light lose energy via the inverse square law?
negative_passages.docid: 74995
negative_passages.text: How does the sun's surface conduct thermal energy from the convective zone to the corona?
negative_passages.docid: 41889
negative_passages.text: Why is the $S_{z} =0$ state forbidden for photons?
negative_passages.docid: 8077
negative_passages.text: Photons in expanding space: how is energy conserved?
negative_passages.docid: 87383
negative_passages.text: Do superheroes/villains like Quicksilver or Flash with super speed get tired due to running?
negative_passages.docid: 54444
negative_passages.text: Have red shifted photons lost energy and where did it go?
negative_passages.docid: 45693
negative_passages.text: When do "per day" spell-like abilities recover in 3rd edition?
negative_passages.docid: 66321
negative_passages.text: Who in the DC Universe can stop Superman if he has a breakdown?
negative_passages.docid: 15767
negative_passages.text: Can a free particle absorb/emit photons?