If you look at the stem of an artichoke you will see a ring, with tough green bark (for want of a better term) surrounding a paler green heart.The bark is not good to eat, and you should remove it with a paring knife, leaving the heart of the stem, which is good to eat.ere we were going to need sliced artichokes, and trimmed the stem of the artichoke leaving about an inch (2.5 cm) below the petals.
Si is the short form for Silicon and silicon is not a metal. Si is the short form for Silicon and silicon is not a metal.
1 The chemical element Silicon has a symbol Si and atomic number 14. 2  Silicon is a metalloid (or semimetal). 3  This means it has some properties like a metal, for example, it looks like a metal and some like a non-metal, for example, it does not do conduct electricity very easily.ilicon is a very important element in modern technology due to its use in computer and smart phone chips. Read on for more interesting facts about silicon. 1  The chemical element Silicon has a symbol Si and atomic number 14.