What observations would be needed to falsify the law of conservation of energy?
110104
If conservation of energy was wrong, how would we know about it?
56266
Potential energy and the work energy theorem
81158
Light "diode" and 2nd law of thermodynamics
22934
Validity of work-energy theorem in presence of non-conservative forces?
58462
Impossibility of time travel due to energy conservation?
68284
Is the law of conservation of energy still valid?
105303
'Obvious' theorems that are actually false
2814
Energy conservation of Virtual Particles - Quantum Fluctuation?
80329
How is dark energy consistent with conservation of mass and energy?
6592
if a body is stopped by means other than friction, where does energy go?
4789
Apparent Violation of Newton's $3^{\text{rd}}$ Law and the Conservation of Momentum (and Angular Momentum) For a Pair of Charged Particles
37028
Thermodynamics and the state postulate: should it be a Fourth Law?
111394
Does conservation of momentum really imply Newton's third law?
130755
Faraday's paradox
13096
Is a spontaneous decrease in entropy *impossible* or just extremely unlikely?
123654
How can energy be useful when it is 'abstract'?
107031
Is conservation of energy only for isolated systems?