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.
An alloy of tin and niobium is used to make superconductive wire. Type metal, fusible metal, bell metal and Babbitt metal are other examples of tin alloys. Tin salts can be sprayed onto glass to make electrically conductive coatings. These can then be used to make panel lighting and frost-free windshields.