Electronic waste, such as discarded mobile phones, computers, and tablets, contains a large number of precious metals including copper, zinc, gold, silver, etc.
Electronic waste...
As solar power and wind power become more important in the world electricity supply, people look for reliable and cheap ways to store energy.
Recently,...
Skin is an important organ that has multiple physiological and psychological functions.
It protects us from extreme temperatures, radiation, toxins, and mechanical insult while maintaining...