More ideas from Jan
A construction worker stands atop the attenna of the Sears Tower, nearing completion, 1972, Chicago. He is untethered, about 1485 feet in the air…

A construction worker stands atop the attenna of the Sears Tower, nearing completion, Chicago. He is untethered, about 1485 feet in the air… Lift Operator Training www.

…

User experience vs design -- I think it's amazing how user testing can really distinguish components, but as this picture shows, design is only 1 component to the overall.

~* Lightning striking Water *~

~ Lightning Bolt - striking water & if that's a boat under it; all I can say is 'I'm glad I'm not in that boat! name unknown) * * * The Natural World-Thunderbird and Lightning

Lightning show

The Physics of the Plasma Universe by Anthony Peratt describes magma as a plasma, a medium containing moving charges. So we should expect volcanoes not only to exhibit electrical behavior but to have that behavior connected with the larger plasma environm

Lightning strikes Trump Tower and John Hancock Center at the same time in Chicago, June 23, 2010

June 2010 Shooting on assignment from the John Hancock Center, the Chicago Tribune photographer Chris Sweda captured lightning bolts hitting the Sears Tower and the Trump Tower at precisely the same moment. Photograph: Chicago Tribune photo by Chris Sweda