Can Lightning Strike an Indoor Pool?
Two swimming pool weather policies have surprised me in recent years. One was when I showed up to swim laps at an outdoor pool as it was beginning to drizzle. “Come on in,” I was told; as long as there was no lightning, the pool was still open. So I had one of my weirdest…
How Bigger Atoms Could Help Make Smaller “Lab-on-a-Chip” Devices
“Lab-on-a-chip” devices – which can carry out several laboratory functions on a single, micro-sized chip – are the result of a quiet scientific revolution over the past few years. For example, they enable doctors to make complex diagnoses instantly from a single drop of blood. In the future, shrinking such devices to extremely small sizes,…