Recent comments

Pepper Potts
If that's a great quote, I can't imagine what the mediocre ones must be like.

JOSE M GARCIA LOTO
God damn, switch to keyhero and the first one is this. Spot on, Universe.

Anonymous
Oh! With your deep, vast heart and power; no matter how it feels like.

Anonymous
With your vast heart or even your power; no matter how it feels like.

Anonymous
This is why giving leads you to kindness.

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FOSS Science - Making An Electromagnet
When electric current flows through a wire, a magnetic field is produced around the wire. You can detect this magnetic field on a straight wire, but when you coil the wire around a core, the magnetic fields of the wire-coils overlap and add, so the magnetic force intensifies. This produces an electromagnet.