Science

General

• http://www.sixtysymbols.com/

• http://en.wikipedia.org/wiki/Classical_mechanics
• http://en.wikipedia.org/wiki/Galilean_invariance

• http://en.wikipedia.org/wiki/Spacetime

• http://en.wikipedia.org/wiki/Special_relativity
• http://en.wikipedia.org/wiki/General_relativity

• http://en.wikipedia.org/wiki/Fundamental_interaction
  • http://en.wikipedia.org/wiki/Electromagnetic_force
  • http://en.wikipedia.org/wiki/Strong_interaction
  • http://en.wikipedia.org/wiki/Weak_interaction
  • http://en.wikipedia.org/wiki/Electroweak_interaction
  • http://en.wikipedia.org/wiki/Gravitation

• http://math.ucr.edu/home/baez/physics/Relativity/GR/grav_speed.html

• http://en.wikipedia.org/wiki/Standard_Model
  • http://en.wikipedia.org/wiki/Beyond_the_standard_model

• http://paperscape.org/

quantum;

• http://arstechnica.com/science/2012/09/weak-measurements-show-quantum-uncertainty-is-inherent/

matter; http://news.ycombinator.com/item?id=4952180

• http://en.wikipedia.org/wiki/Elementary_particle
  • http://en.wikipedia.org/wiki/File:Particle_overview.svg
  • http://en.wikipedia.org/wiki/List_of_particles
• http://en.wikipedia.org/wiki/Flavour_(particle_physics)

• http://en.wikipedia.org/wiki/Antiparticle

• http://en.wikipedia.org/wiki/Boson
  • http://en.wikipedia.org/wiki/Vector_boson
  • http://en.wikipedia.org/wiki/Photons - electromegnetism
  • http://en.wikipedia.org/wiki/Gluon - strong interaction
  • http://en.wikipedia.org/wiki/W_and_Z_bosons - weak interaction
  • http://en.wikipedia.org/wiki/Higgs_boson

• http://en.wikipedia.org/wiki/Force_carrier
  • http://en.wikipedia.org/wiki/Gauge_boson

• http://en.wikipedia.org/wiki/Fermion
  • http://en.wikipedia.org/wiki/Quark
  • http://en.wikipedia.org/wiki/Baryon
  • http://en.wikipedia.org/wiki/Hadron
    • http://en.wikipedia.org/wiki/Meson

• http://en.wikipedia.org/wiki/Mass

• http://en.wikipedia.org/wiki/Gravitational_constant

• http://en.wikipedia.org/wiki/Spin_(physics)
• http://en.wikipedia.org/wiki/Planck_constant

• http://en.wikipedia.org/wiki/Neutron
• http://en.wikipedia.org/wiki/Proton

• https://www.youtube.com/watch?v=OQF7kkWjVWMf

• http://en.wikipedia.org/wiki/Field_(physics)
  • http://en.wikipedia.org/wiki/Gauge_theory

• http://en.wikipedia.org/wiki/Quantum_field_theory
• http://en.wikipedia.org/wiki/Quantum_electrodynamics
• http://en.wikipedia.org/wiki/Quantum_chromodynamics
• http://en.wikipedia.org/wiki/Renormalization

• http://en.wikipedia.org/wiki/Atom

• http://www.periodictable.com/
• http://www.periodicvideos.com/

• http://en.wikipedia.org/wiki/Atomic_units
• http://en.wikipedia.org/wiki/Elementary_charge - e

• http://en.wikipedia.org/wiki/Electron_configuration
• http://en.wikipedia.org/wiki/Electron_shell
• http://en.wikipedia.org/wiki/Valence_electron

• http://en.wikipedia.org/wiki/Charge_carrier

• http://en.wikipedia.org/wiki/Band_gap

• http://en.wikipedia.org/wiki/Semiconductor
• http://en.wikipedia.org/wiki/Transistor

• http://www.muppetlabs.com/~breadbox/txt/al.html

• http://en.wikipedia.org/wiki/Crystal
  • http://en.wikipedia.org/wiki/Quasicrystal
    • https://www.youtube.com/watch?v=a0wo_yAh0Ps

Software

• http://www.cabrillo.edu/~dbrown/tracker/

Engineering

• http://507movements.com/

• http://en.wikipedia.org/wiki/Linkage_(mechanical)

• https://news.ycombinator.com/item?id=6332385

• http://jacquesmaurel.com/gears

Chemistry

to move

• http://en.wikipedia.org/wiki/Chemistry

• http://en.wikipedia.org/wiki/Chemical_bond

Astronomy

• https://en.wikipedia.org/wiki/Somnium_(novel)

• http://www.spacetelescope.org/

• http://www.exosolar.net/