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====== What I want to accomplish ======
  * Remember how to use the furnace,
  * Experiment with different types of available glass,
  * Work out how to determine the suitability of different types of glass. What criteria do I need to test?
  * Work out whether I need to go down the road of creating my own glass.

====== What I've done ======

I scrounged up:
  * Lots of mirrored float glass,
  * A 1.5m diameter hardened glass tabletop,
  * Some (industrially) blown glass bottles.

I coated a stainless steel cup and bowl with kiln wash to stop the glass sticking.

I sanded off the silvering from some of the mirrored float glass, crushed it up and put it in the cup. 

I crushed up a blown glass bottle and put it in the bowl. I washed the crushed glass in water and poured off the fine glass in suspension.

== Removing silvering ==
I experimented with chemically removing the silvering from the back of the mirrors. I daubed a bit of chemical on the back of the mirror and put some scratches through the mirroring with a screwdriver. The silvering appears to have three layers: Grey, red and silver.

Things that failed:
  * Acetone,
  * Methyl Ethyl Ketone,
    * This one changed the colour of the grey layer slightly.
  * Zinc Chloride and Ammonium Chloride (in soldering flux),
  * Ferric Chloride,
  * Sodium Hydroxide.

=== Video ===

{{youtube>8VlCwkEwSmE?large}}
 
====== What I want to accomplish next time ======

  * Fuse and temper the crushed glass,
  * Compare the washed versus unwashed, and float versus cast,
  * Polish the resulting slugs,
  * Drop test.
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