query: How can microwave radiation penetrate through walls but visible light cannot?
positive_passages.docid: 44782
positive_passages.text: How can wifi penetrate through walls when visible light can't?
negative_passages.docid: 109869
negative_passages.text: Does a conducting wire give off measurable radiation?
negative_passages.docid: 70133
negative_passages.text: Why does my microwave kill the Wi-Fi?
negative_passages.docid: 114388
negative_passages.text: Why doesn't more light bounce off of things in the manner of sound?
negative_passages.docid: 90844
negative_passages.text: How can a cavity with perfectly reflecting walls approximate a perfectly absorbing black body?
negative_passages.docid: 51203
negative_passages.text: Making a radio wave/transmission waves
negative_passages.docid: 156818
negative_passages.text: Doppler Shift when Light Travels Through Two Different Mediums
negative_passages.docid: 54
negative_passages.text: Is manufacturing roughness really the only reason we don't see optical interference in thick dielectrics like windows?
negative_passages.docid: 15767
negative_passages.text: Can a free particle absorb/emit photons?
negative_passages.docid: 107970
negative_passages.text: Laser, wire, and a circle of light
negative_passages.docid: 114986
negative_passages.text: Why do metal objects in microwaves spark?
negative_passages.docid: 50434
negative_passages.text: Understanding the diagrams of electromagnetic waves
negative_passages.docid: 100773
negative_passages.text: Why does destructive interference not stop a wave?
negative_passages.docid: 123129
negative_passages.text: Why can't a particle penetrate an infinite potential barrier?
negative_passages.docid: 7322
negative_passages.text: Accelerating electrons via microwaves
negative_passages.docid: 83320
negative_passages.text: Why we don't use gamma rays, x-rays or ultraviolet to transmit data?
negative_passages.docid: 98458
negative_passages.text: Radiation emission and absorption