Best from conceptual physics alive: 2 disc set/ with Paul G. Hewitt.

Disc One: Definition of speed -- Velocity -- Average speed -- Definition of acceleration -- Changing velocity -- Free fall: how fast -- V = gt -- Air resistance & falling objects -- Free fall -- how far? -- Falling distance -- Vector representation: how to add & Subtract vectors -- Geometric addition of vectors -- Projectile motion -- Newton\'s law of intertia -- Demo: the old tabelcloth trick -- Demo: inertia of cylinder -- Why you don\'t have to hold the toilet paper roll -- Demo: Weight-mass distinction -- Definition of Newton -- Force causes acceleration -- Newton\'s 2nd law -- Free-fall acceleration explained -- Demo: friction -- Falling and air resistance -- Pressure: the bed of nails -- Forces and interaction -- Demo: action & reaction of different masses -- Action and reaction on rifle & bullet -- Definition of momentum -- Changing momentum - follow through -- Decreasing momentum over a short time -- Demo: bowling ball & conservation of energy -- Conservation of energy: numerical example -- Machines: pulleys -- Rotational speed -- Demo: centripetal force -- Why a ball rolls down a hill -- Simulated gravity -- Locating the center of gravity -- Toppling -- Demo: difference between torque and weight -- Demo: Rotational inertia using weighted pipes -- Demo: rotational inertia using a hammer -- Demo: Rotational inertial with a weighted rod -- Demo: conservation of angular momentum using a rotating platform -- Inverse-square law -- von Jolly\'s method of measuring the attraction between two masses -- Weight & weightlessness -- Apparent weightlessness - Discovery of Neptune -- Gravitational filed inside a hollow planet -- The weight of an object inside a hollow planet but not at is center. Circular orbits -- The twin trip animation -- Space & time travel. Disc Two: Evidence for atoms -- Atoms are recyclable -- Surface area vs. volume -- Scaling -- Dam keeps water in place, water keeps dame [sic] in place -- Buoyancy -- Demo: Flotation -- Demo: Archimedes Principle -- Demo: Air has weight -- Demo: Air is matter: pouring air from one glass to another -- Demo: Air has pressure -- Buoyancy of air -- Demo: Low temperatures with liquid nitrogen -- Demo: thermal expansion -- Demo: How a thermostat works -- The secret to walking on hot coals -- Air is a poor conductor -- Boiling is a cooling process -- Demo: Pressure cooker and boiling and freezing at the same time -- Condensation is a warming process -- Demo: Adiabatic process -- Demo: Longitudinal vs. transverse waves -- Demo: Interference & boats -- Doppler effect -- Demo: Resonance -- Resonance & bridges -- Tacoma Bride collapse -- Light & transparent materials -- Polarized light & 3-D viewing -- Demo: colored shadows -- demo: Why water is greenish blue -- Yellow-green peak of sunlight -- Demo: Why the sky is blue & why the sunset is red -- Image formation in a mirror -- Demo: Model of refraction -- Refraction of sound -- Soap bubble interference -- The rainbow -- Demo: van de Graaf generator -- Demo: Electric potential -- Caution on handling electric wires -- Ohm\'s Law -- Alternating current -- Demo: Electric circuits : Demo: -- Electric circuits -- Demo: Oersted\'s Discovery -- Demo: Magnetic forces on current-carrying wires -- Demo: Faraday\'s Law -- Application of E&M induction -- Electron waves -- Radioacitve decay -- Half-life -- Carbon dating -- Nuclear fission -- Plutonium -- Mass-energy equivalence -- Nuclear fusion -- Controlling nuclear fusion.