query: Glowing metal: different visual spectrum?
positive_passages.docid: 112605
positive_passages.text: Why does thermal radiation only occur at infrared and visible frequencies?
negative_passages.docid: 15895
negative_passages.text: Why is there a difference between additive and subtractive trichromatic color theories?
negative_passages.docid: 31758
negative_passages.text: What determines color -- wavelength or frequency?
negative_passages.docid: 44171
negative_passages.text: Does visible light heat things up?
negative_passages.docid: 86844
negative_passages.text: What gives an object its colour?
negative_passages.docid: 96007
negative_passages.text: Emission on steel from laser cut
negative_passages.docid: 28882
negative_passages.text: Atmospheric lighting in cycles
negative_passages.docid: 101435
negative_passages.text: Black reflections with Cycle's Glossy Material
negative_passages.docid: 79051
negative_passages.text: Object emit light distance
negative_passages.docid: 74723
negative_passages.text: Popular depictions of electromagnetic wave: is there an error?
negative_passages.docid: 147220
negative_passages.text: How can the discrete atomic spectrum be observed?
negative_passages.docid: 119516
negative_passages.text: What is the actual mechanism behind the reflection of various colored light by material of different color?
negative_passages.docid: 33817
negative_passages.text: Cycles material node set-up for diffuse, specular, reflection/refraction, normal and illumination/emission map
negative_passages.docid: 88092
negative_passages.text: Is it possible that by mutation a human could see infrared or other 'colours'?
negative_passages.docid: 22399
negative_passages.text: How to achieve a solid glass/emission material with certain refraction and color
negative_passages.docid: 36202
negative_passages.text: Particle Color based on where the particle is emitted?
negative_passages.docid: 82324
negative_passages.text: Is purple in visible light?