The Gizmo Game
Road Trip BooksMapsDashboardingRV InfoLinks & FindsFunny Signs
HomeSite GuideWhat's NewPlan a Road TripRoad Trip ForumAbout RTARSS
SEND THIS PAGE TO A FRIEND!
 
Fuel Cost Calculator

New on RTA
RV FULLTIMING TIPS
Roadside pharmacy
Health Insurance on the Road

AUDIO BOOK REVIEW
Death of a Gentle Lady by M.C. Beaton

FUNNY SIGN
Why is the zebra smiling?

ROADSIDE MARVEL
The Tallest Brick Lighthouse in the USA

DRIVING TIP
Drive Predictably

THE RTA BOOK
Roads from the Ashes: An Odyssey in Real Life on the Virtual Frontier

WHAT IS THAT THING?
Play the Gizmo Game

RTA FUNNY SIGNS BOOK
Caution: Funny Signs Ahead
Now available for pre-order!

NEW WEB SITE FROM THE PUBLISHERS OF ROADTRIP AMERICA!
Living Las Vegas
You Got It!
Mark Helmlinger
Mark Helmlinger

It's no movie prop!

Mark Helmlinger, a physicist at Jet Propulsion Laboratory in Pasadena, California, uses the CIMEL Electronique 318A, which is a solar-powered spectral radiometer that measures sunlight. Robotically controlled, it can be pointed directly at the center of the sun, and it can also measure sky radiance.

6/98
  
Copyright 1996 - 2008, RoadTrip America® - All Rights Reserved
Privacy Policy    Contact RTA