Engineering 101
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lithium-ion batteries

When Green is Black

by Jon Gabay, engineer We are so manipulated in our society. Others dictate the technologies we will use and depend on without regard to ramifications. Poor planning and hip-shot reactions lead to wasted time and money, and the goals that…

A Watered-Down Battery? Nope

We use lightweight, high-capacity lithium-ion batteries in our personal electronics. These conventional lithium-ion batteries use organic electrolytes that are highly flammable and have caused fires or explosions. Researchers are developing…

Cobalt’s Human Cost

Sometimes making the parts necessary for green technologies can have dire effects on human wellbeing. The cobalt used in lithium-ion batteries in Africa's Democratic Republic of the Congo (DRC) is a good example. Researchers led by…