query: What is the difference between matter & spacetime?
positive_passages.docid: 3108
positive_passages.text: Why does space expansion not expand matter?
negative_passages.docid: 107364
negative_passages.text: What are the differences between dark energy and a cosmological constant?
negative_passages.docid: 74770
negative_passages.text: Is Dark Matter called "Matter" only because of gravity?
negative_passages.docid: 95681
negative_passages.text: If the universe is 3D, how is space-time like a "fabric"?
negative_passages.docid: 144208
negative_passages.text: Does String theory say that spacetime is not fundamental but should be considered an emergent phenomenon?
negative_passages.docid: 119217
negative_passages.text: If particles are points, then aren't atoms empty space?
negative_passages.docid: 145635
negative_passages.text: What's the difference between mechanical and electromagnetic waves?
negative_passages.docid: 94782
negative_passages.text: General relativity (gravitation) in time and one spatial dimension
negative_passages.docid: 75788
negative_passages.text: Is spacetime absolute?
negative_passages.docid: 39940
negative_passages.text: Is spacetime flat inside a spherical shell?
negative_passages.docid: 26354
negative_passages.text: Is anti-matter matter going backwards in time?
negative_passages.docid: 6486
negative_passages.text: Why isn't dark matter just ordinary matter?
negative_passages.docid: 111371
negative_passages.text: What really is Spacetime?
negative_passages.docid: 99680
negative_passages.text: The Dual Nature of Matter
negative_passages.docid: 23005
negative_passages.text: What is your simplest explanation of string theory?
negative_passages.docid: 52768
negative_passages.text: What's the difference between gas and plasma?
negative_passages.docid: 35463
negative_passages.text: How come the universe is made of matter and not antimatter?