| windows

Transparency 

Romans ... the first known to use glass for windows

window originates from the Old Norse 'vindauga,' from 'vindr – wind' and 'auga – eye,' i.e. "wind eye"

solar heat gain coefficient; low coefficient means low heat gain

| bridges

Connection

passage over an obstacle

pedestrian bridge ... built on a more human scale

vulnerable to vibration and therefore dynamic effects

elevate the everyday business of getting from point A to point B

IMAGES ... Elementary and Middle School Campus Natomas, California Project Architect/Construction Admin

| stairs

Flight

a change in elevation ... bridge a large vertical distance

means of egress

first known use ... before 12th century

aerobic workout