Spark-gap arrestors, or surge arrestors, are highly nonlinear devices whose function is to block transient surges on dc or ac power-supply lines. Such transients can arise from lightning strikes, ...

This week-long intensive immersion course provides participants with theory and hands-on training with leading-edge simulation skills. Exploring state-of-the-art computerized manikins (Human Patient ...

There's an addictive quality to a government game that's unlike the rush you get from shooters or RPGs, although the escapism is no less real. Whether you're setting economic and trade policies, ...