Heat transfer always occurs from a region of high temperature to another region of lower temperature. Heat transfer changes the internal energy of both systems involved according to the First Law of Thermodynamics.
Cyperus esculentus (also called chufa sedge, nut grass, yellow nutsedge, tiger nut sedge, or earth almond) is a crop of the sedge family widespread across much of the world.It is native to most of the Western Hemisphere as well as southern Europe, Africa, Madagascar, the Middle East and the Indian Subcontinent.n Spain, C. esculentus is cultivated for its edible tubers, called earth almonds or tiger nuts, for the preparation of  horchata de chufa, a sweet, milk-like beverage. However, in most other countries, C. esculentus is considered a weed.
Macadamia nuts originated in Australia, but also are found in other warm climates on a bush type tree that reaches approximately 40 feet in height and width.The nuts will not produce until 4 to 5 years after tree planting with full production around 12 to 15 years of age.Macadamia trees prefer moist soil conditions and have roots that grow close to the soil surface to optimize moisture absorption.tep 8. Dry the nuts for 3 weeks before cracking them. Another option is to dry the nuts in a food dehydrator set on the low for 2 to 3 days. Test the nuts after drying to verify the shells are brittle and crack clean.