Browsing: Lens_numbers

To Save Drowning People, Ask Yourself “What Would Light Do?”

Imagine you’re a lifeguard and you see someone struggling to stay afloat. Being a responsible lifeguard, you want to get to them as quickly as possible. You’re pretty fast when swimming, but even faster running on sand. So what’s the quickest route to get to the swimmer? It may not sound like it, but this […]

Streetlights That Watch Passersby & Turn Them Into Big Data

Smart LEDs are installed in Newark Liberty International AirportThe Port Authority of New York and New Jersey Not so long ago, LEDs were like the slide rule of the lighting world, found mostly in the lovably geekiest of places: front panels of technical equipment, scientific kits for kids, and of course Radio Shack. But over […]

Vikings—They’re Just Like Us! Social Networks in Norse Sagas

History

A simplified diagram of the type used to analyze Viking social structures. Green connections represent friendly relations; red ones are hostile. Note that the researchers helpfully explain in the original caption, “The horned helmets, popularly associated with Viking warriors, are probably a nineteenth-century romantic construct – none of the few Viking helmets which survive have […]