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My Best Teachers Were Not The Ones Who Knew All The Answers, But Those Who Were Deeply Excited By Questions They Couldn't Answer.

Nature's Patterns Sometimes Reflect Two Intertwined Features: Fundamental Physical Laws And Environmental Influences. It's Nature's Version Of Nature Versus Nurture.

Supersymmetry Is A Theory Which Stipulates That For Every Known Particle There Should Be A Partner Particle. For Instance, The Electron Should Be Paired With A Supersymmetric 'selectron,' Quarks Ought To Have 'squark' Partners, And So On.

The Central Idea Of String Theory Is Quite Straightforward. If You Examine Any Piece Of Matter Ever More Finely, At First You'll Find Molecules, Atoms, Sub-atomic Particles. Probe The Smaller Particles, You'll Find Something Else, A Tiny Vibrating Filament Of Energy, A Little Tiny Vibrating String.

For Most People, The Major Hurdle In Grasping Modern Insights Into The Nature Of The Universe Is That These Developments Are Usually Phrased Using Mathematics.