Announcements
	Galilean relativity (cont’d)
	Laws of Physics are Invariant
	Electromagnetic waves
	Lecture 4: EM Waves, Ether, Light: Slide 5
	Lecture 4: EM Waves, Ether, Light: Slide 6
	EM field wave
	Maxwell EM waves
	Light swimming
	Michelson-Morley Experiment(1887)
	Transporting time & clocks
	Railroad clocks
	All phenomena
	Synchronizing clocks
	Lecture 4: EM Waves, Ether, Light: Slide 15
	Lecture 4: EM Waves, Ether, Light: Slide 16
	Special Relativity

• Week 9 - Can we control the state through various policy instruments?
• Week 5 - The Executive Branch: How does a law become a rule?
• Week 12 - Alternative Mechanisms for Negotiating Policy
• Week 6 - What role do interest groups play in policymaking?
• Pulmonary Defenses