odern Physics课件.ppt

39 Questionable Assumptions in Modern Physics;Paradigms;Assumptions;Goals;Mach’s Principle;Machian GedankenExperiment;Yes! … And No!;Toroidal Particles;Bergman CSS Model;#1 - Light is a ‘thing’ in itself.;What is ‘light’?;History of the ‘thing’ idea;#2 - Energy (light) can exist without matter.;#3 - Photons are ‘things’ in themselves.;#4 - The constant ‘c’ is a property of space.;#5 - Nothing travels faster than ‘c’.;More on superluminal velocities;#6 - Instantaneous action at a distance (IAAD) is impossible.;Retarded Action at a Distance;#7 - All forces must be ‘contact forces’.;#8 - Fields are fundamentally quantum.;Discontinuities;Catastrophe Theory;#9 - Matter is sometimes a wave and sometimes a particle.;#10 - The energy of a particle resides only locally, where the particle resides. ;#11 - Space is empty.;#12 - Mass is a measure of matter or ‘stuff’.;#13 - Elementary particles never change.;Mass of elementary particles;#14 - Quantum events can’t be described continuously.;#15 - Matter and light must be corpuscular or continuous, but not both.;#16 - Gravity is fundamental.;Another Gendanken Experiment;Ampere’s Law: the Source of Attraction;#17 - Gravity is the dominant force in the cosmos.;Electricity in the Cosmos;#18 - Energy from the sun arises from hot nuclear reactions in the core.;#19 - Redshift is caused by Doppler expansion of space.;What IS Redshift?;#20 - Cosmic Background Radiation (CBR) results from space expansion.;#21 - The age of the Universe is the inverse of Hubble’s constant (H).;#22 - The Big Bang.;#23 - Point particles exist.;#24 - Quantum “spin” exists without current.;#25 - Quantum mechanics cannot be explained “classically”.;#26 - Elementary particles are “things” in themselves.;#27 - Muons, pions, and even neutrons are “elementary”.;#28 - There are two types of charge.;#29 - Matter can be produced and annihilated in pairs.;#30 - The wave function has nothing to do with electro-magnetic fields.;#31 - Low Energy Nuclear Reactions (LENR) im