A large block of mischmetal, a mixture of lanthanum, cerium, and a few other random rare earths. Blocks like this are used for spark effects in movies. It is incredibly sparky stuff, here I'm holding it up to a small grinding wheel. The Spin and Rotate videos show this in action.
Dan The Produce Man from Dan's Fresh Produce in Alameda, CA tells us how we can keep lettuce fresh for 3 to 4 weeks in the refrigerator. Dan The Produce Man from Dan's Fresh Produce in Alameda, CA tells us how we can keep lettuce fresh for 3 to 4 weeks in the refrigerator. Category Entertainment
What to Look For: Choose firm, greenish-white fennel bulbs with no soft or brown spots. If the fronds are still attached to the bulb, they should be bright green with no signs of wilting. How to Store: Wrapped in a paper bag, fennel will keep in the refrigerator for three to five days. 2 of 25.