How Do Retroreflectors Give You Super Vision at Night?

How Do Retroreflectors Give You Super Vision at Night?

When a beam of light hits a super-shiny object like a mirror, it reflects off it in a very particular way.Photograph: Rhett AllainFor both of them, their light hits the mirror at the same angle that their light also reflects from the mirror—but in the opposite direction.

These Sleek Lamps Illuminate the Promise of 3D Printing

These Sleek Lamps Illuminate the Promise of 3D Printing

Yang is the founder and CEO of Gantri, a San Francisco company that designs, fabricates, and sells 3D-printed lamps.The Signal desk light is one of the new lamps in Gantri's collection that was designed by the SF firm Ammunition, which is famous for some of Silicon Valley's most iconic designs.

Scientists help lamprey to spread the love

Scientists help lamprey to spread the love

NIWA freshwater fish scientist Dr Cindy Baker was part of a team that in 2013 discovered the first spawning site for New Zealand lamprey, where a male and female pair was found to lay their eggs in adhesive clumps on the underside of large boulders.