Jeffrey Donenfeld
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Public Speaking & Teaching
Thought Leadership in Aerospace & Defense
Photography
Aviation
Antarctica
Echo Mesa
Explorers Club
Low Bandwidth Card
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Author:
Jeffrey Donenfeld
Living in Tiny Spaces with Genevive Shuler
Trauma Sunday
Tagged for Trauma Sunday
All 135 Space Shuttle Launches At Once Video
Unitek’s Backyard
Incident Command System 101
Walking to the Mass Casuality
Infographic: What the Internet Actually Looks Like
CPR Dummies
Hello from Newark, CA
Stay Versatile with Polychrome Lab’s Alpine Concept Jacket
Sending Messages with the Reactive Super-Speed Electromagnet Dot Display
How To Blog From Anywhere: Gmail via SMS launches in Africa
Explore Antarctica With Google Maps
Morning Departure from Telluride
Double Rainbow in Ridgeway, Colorado
Videoblog: Hiking the Telluride Ski Area
Hiking in Boulder, Colorado
Videoblog: Hiking the Wasatch Trail in Telluride, Colorado
Edward Safdi, Welcome To The World
Eugene Cernan on the Moon – Apollo 17
Scuba Diving in the Shark Tank at the Denver Downtown Aquarium
Jellyfish, Downtown Aquarium, Denver, Colorado
Donenfeld’s Department Store, Dayton, Ohio
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