Image of pair of shoes with untied laces

Photo by Lukas from Pexels

Image of modern bullet train

A Japanese bullet train • Photo by Fikri Rasyid on Unsplash

Close up image of an old Macintosh computer

Photo by Matt Mech on Unsplash

Image of a series of gears attached to a block of concrete

Ganson's "Machine with Concrete" • Photo by Shervinafshar (CC BY-SA 3.0)

Image of Chickamauga Dam with inset image of Peter Palchinsky

Chickamauga Dam and Peter Palchinsky (Public Domain)

Image of hand holding burning 100 dollar bills

Photo by Jp Valery on Unsplash

Image of concrete dam among rolling green hills

Fontana Dam, North Carolina • Library of Congress Prints and Photographs Division (Public Domain)

Image of man in the mountains looking at his phone

Photo by Luke Ellis-Craven on Unsplash

Out of the office, but never out of the loop

Lat­er this week, thou­sands of sci­en­tists from around the world will gath­er in Boston for the [1993] annu­al meet­ing of the Amer­i­can Asso­ci­a­tion for the Advance­ment of Sci­ence. They will lug to the meet­ing lap­top com­put­ers, modems, fax machines, cel­lu­lar tele­phones, beep­ers. Cir­cuits in and out of Boston will be humming.

Image of herd of cows

Photo by Lomig on Unsplash

Image of slide rule

C. Raymo Sr.'s slide rule • Photo by Tom Raymo