American Institute of Physics

Using fluctuating wind power

Incorporating wind power into existing power grids is challenging because fluctuating wind speed and direction means turbines generate power inconsistently. Coupled with customers' varying power demand, many ...

Mar 25, 2013 3.5 / 5 (6) 8 | with audio podcast

Sorting stem cells

When an embryonic stem cell is in the first stage of its development it has the potential to grow into any type of cell in the body, a state scientists call undifferentiated.

Jan 03, 2013 3 / 5 (2) 0