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
1 Rotisserie chicken: 3 to 4 days (refrigerator) or 2 to 3 months (freezer). 2  Opened package of hot dogs: 1 week (refrigerator) or 1 to 2 months (freezer). 3  Opened package of deli meat: 3 to 4 days (refrigerator) or 1 to 2 months (freezer). Opened package of hot dogs: 1 week (refrigerator) or 1 to 2 months (freezer). 2  Opened package of deli meat: 3 to 4 days (refrigerator) or 1 to 2 months (freezer). 3  Cooked meat dishes: 3 to 4 days (refrigerator) or 2 to 6 months (freezer).