Energy and materials were developed together in early civilizations, beyond the use of fire for cooling and heating. In the courtyard of the stepped pyramid at Sakahra, built near Cairo, Egypt, in about 2600 B.C.E., there are a series of carved relief...
Materials are physical substances used as inputs to production or manufacturing. Materials range from man made synthetics such as many plastics to natural materials such as copper or wood. In the industry of manufacturing, sometimes Materials represent...
Adhesives replace solder in high-power devices The novel DM6030Hk series of patented, silver-filled organic adhesives feature thermal properties that generally exceed those of traditional solders used in high-power devices. The adhesives exhibit thermal conductivities as high as 60 W/mK and electrical resistivities as...
Performance elastomers Kraton polymers, used in roll roofing, modified mopping asphalt, modified shingles and a variety of roofing adhesives and compounds, are high performance elastomers which, when added to asphalt, can help improve a roofs performance, according to the company. Kraton IPD grades...
Religious materials are being returned to prison chapel libraries, the U.S. Bureau of Prisons said Thursday, confirming plans to modify a program designed to remove religious books and videos that could incite violence.The change follows objections by members of Congress and religious groups.Removal of religious...
The latest figures suggest the manufacturing sector and the economy are rebounding.Demand for nondurables, such as food and chemicals, rose 1.6% in May vs. a flat reading in April, reported the U.S. Census Bureau Tuesday. Export orders posted the 55th consecutive month of growth, the...
