Calcium sulfate an unusual property: when mixed with water at normal (ambient) temperatures, it quickly reverts chemically to the preferred dihydrate form, while physically "setting" to form a rigid and relatively strong gypsum crystal lattice: This reaction is exothermic and is responsible for the ease with which gypsum can be cast into various shapes including sheets (for drywall), sticks (for blackboard chalk), and molds (to immobilize broken bones, or for metal casting). Mixed with polymers, it has been used as a bone repair cement. Small amounts of calcined gypsum are added to earth to create strong structures directly from cast earth, an
Reese's Sticks "Reese's Sticks". They highly resemble Nutty Bars by McKee Foods. They are banned in Norway because of the use of genetically modified additives. Reese's Sticks Reese's Sticks, formerly called "ReeseSticks," are wafers filled with peanut butter and covered in milk chocolate. First introduced in 1998, they are manufactured by The Hershey Company and are currently still available. They are sold in pairs, similar to Twix and two finger Kit Kat bars. The fact that ReeseSticks digressed from the normal Reese's naming pattern was pointed out by Paul Lukas in his zine "Beer Frame". As Lukas noted, even though the official