The famous picture of transportation of an Egyptian statue to the grave of Tehuti-Hetep, El-Bersheh indicates that the concept of lubrication was already known to ancient Egyptians. The picture below shows how the slaves are […]
Recent research (https://doi.org/10.1007/s40544-017-0183-5) has shown that about 23% of the world’s total energy consumption comes from the tribological contacts (moving parts subject to friction and wear, such as bearings, gears, etc.). This energy is lost, […]
Xerostomia, or dry mouth, is a condition in which the salivary glands found in the mouth do not produce enough saliva to keep the mouth wet. The condition of dry mouth often occurs as a […]
Decreasing water consumption is a key theme in today’s world, as we deal with the ever-growing concern of water scarcity. Water scarcity is the inability of freshwater sources to meet the water demand of the […]
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