作者对物理学的奥秘给予了热情而有力的指导。
The writer is a warm and competent guide to the mysteries of physics.
力场：主宰电流、重力、动能、光、物理、辐射、声音与气象的奥秘。
Forces: the Arcanum that governs electricity, gravity, kinetic energy, light, physics, radiation, sound and weather.
力场：主宰电流、重力、动能、光、物理、辐射、声音与气象的奥秘。
Forces: the Arcanum that governs electricity, gravity, kinetic energy, light, physics, radiation, sound and weather.
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