TranslationsTranslations

``We do not question how the cinematographer and the cosmologist…decide on a common Language, what they learn as a consequence, or how their novel collaborations relax hidden assumptions that may limit their work.”

---David Edwards, ArtScience

``We do not question how the cinematographer and the cosmologist…decide on a common Language, what they learn as a consequence, or how their novel collaborations relax hidden assumptions that may limit their work.”

---David Edwards, ArtScience

Feynman DiagramsFeynman Diagrams

Mental Pictures of particle interactions Mnemonic devices: Rules for Calculation

Mental Pictures of particle interactions Mnemonic devices: Rules for Calculation

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Event from Collider Detector Facility at Fermilab

electron

photon(light)

quark

Charles Ross

New Mexico Desert

Charles Ross

New Mexico Desert

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Richard Feynman

New Mexico Desert

Richard Feynman

New Mexico Desert

The Energy of NothingThe Energy of Nothing

Should be infiniteShould be infinite

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Virtual particle-antiparticle pair, created out of the vacuum, carries energy

According to Feynman (and others)

The Energy of NothingThe Energy of Nothing

Large compared to everything else in the universe, but finiteLarge compared to everything else in the universe, but finite

The Energy of NothingThe Energy of Nothing

Causing the expansion of the universe to speed up (for the last 5 billion years)

Before 1998, we had assumed gravity was slowing down the expansion

Causing the expansion of the universe to speed up (for the last 5 billion years)

Before 1998, we had assumed gravity was slowing down the expansion

Truth and BeautyTruth and Beauty

Symmetry Simplicity Naturalness

Symmetry Simplicity Naturalness

Physicists consciously implement Aesthetic constraints in constructing theories:

Beauty as necessary prerequisite for and indicator of truth (cf. Einstein, string theory)

Symmetries in NatureSymmetries in Nature

Spatial symmetries: rotation, translation,… cf. `mirror world’

Time-translation and reversal internal symmetries: unified theories

Spatial symmetries: rotation, translation,… cf. `mirror world’

Time-translation and reversal internal symmetries: unified theories

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`Women have more orgasms with men who are more symmetrical.’ --LiveScience.com Is our preference for symmetry biologically selected?

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Invariance under a transformation

Broken or hidden symmetryBroken or hidden symmetry Some interactions

slightly violate time-reversal symmetry

Can explain why there is more matter than anti-matter in the universe

Which is why there is something (including us) rather than nothing

Symmetry-breaking as a transition

Some interactions slightly violate time-reversal symmetry

Can explain why there is more matter than anti-matter in the universe

Which is why there is something (including us) rather than nothing

Symmetry-breaking as a transition

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A basis for a film/dance choreography?