Cations
Phosphenium ions, not to be confused with phosphonium or phosphirenium, are divalent cations of phosphorus of the form [PR2]+. Phosphenium ions have long been proposed as reaction intermediates. (Wikipedia).
Magnets and Antigravity!!!
Physics (la physique)
From playlist physics
Magnetism Chapter 1_10 Magnetic Fields.wmv
Magnetic Fields.
From playlist PHY1506
Magnetism Chapter 1_7 Magnetic Fields.wmv
Magnetism Chapter 1_8 Magnetic Fields.wmv
Waves 2_16 Phasors
Adding waves using phasors.
From playlist Physics - Waves
Magnetism Chapter 1_9 Magnetic Fields.wmv
PHYS102x Credits (2014)
This is the credit reel I made for PHYS102x.
From playlist Off Topic
Magnetism Chapter 1_5 Magnetic Fields.wmv
Video 5 on magnetic fields.
Magnetism Chapter 1_3 Magnetic Fields .wmv
Video 3 for the first Chapter on Magnetism.
Magnetism Chapter 1_6 Magnetic Fields.wmv
Video 6 on magnetic fields.
