The quest for a real life tractor beam continues, with a 2-micrometer-thick silicon light bender. The silicon metasurface changes a solid beam into a triple spiral one that can pick up particles.

Active chilled beams are HVAC devices composed of primary air ducted supply, hydronic coils, and diffuser slots that provide localized sensible cooling to the space 1. Primary air is induced through ...

Chauncey grew up on a farm in rural northern California. At 18 he ran away and saw the world with a backpack and a credit card, discovering that the true value of any point or mile is the experience ...