query: Why is nuclear waste, waste?
positive_passages.docid: 149733
positive_passages.text: Use of fission products for electricity generation
negative_passages.docid: 128075
negative_passages.text: Using nuclear devices to terraform Mars: Elon Musk's nuclear proposal?
negative_passages.docid: 137673
negative_passages.text: Energy for burning things!
negative_passages.docid: 8178
negative_passages.text: What Is Energy? Where did it come from?
negative_passages.docid: 21256
negative_passages.text: If energy can neither be created nor be destroyed,what is the ultimate source of energy?
negative_passages.docid: 123179
negative_passages.text: What's the true reason behind thermal expansion?
negative_passages.docid: 3825
negative_passages.text: Why don't we treat rubbish the same as spam?
negative_passages.docid: 44548
negative_passages.text: Trash has reached maximum size?
negative_passages.docid: 19010
negative_passages.text: Why quantum mechanics?
negative_passages.docid: 11577
negative_passages.text: What is the purpose of the bin directory?
negative_passages.docid: 45786
negative_passages.text: How many times has the matter in our solar system been recycled from previous stars?
negative_passages.docid: 86366
negative_passages.text: The Walking Dead: wouldn't all nuclear reactors be down?
negative_passages.docid: 6857
negative_passages.text: Why do the machines keep humans alive if they have nuclear reactors?
negative_passages.docid: 105369
negative_passages.text: Why does orbiting matter form an accretion disk?
negative_passages.docid: 115378
negative_passages.text: Is it possible to generate electric energy from the radiation of radioactive materials
negative_passages.docid: 112152
negative_passages.text: Why are protons and neutrons the "right" degrees of freedom of nuclei?
negative_passages.docid: 15917
negative_passages.text: Cut out surplus material