5KiB, 240x180, elec_magfield2_240x180.gif View SameGoogleiqdbSauceNAO Anonymous Tue 19 Nov 06:45:27 2019 No.11159671 ViewReplyOriginalReport Quoted By: >>11159690 >>11159991 If energy is only an abstraction, what is the math of physics like without it ? Also what is the closest thing we can feel to this abstraction?