Solar powered dirigible suggests sunship air freight
British engineers Gabriel Khoury and Edwin Monforth propose a solar cell covered dirigible to haul freight at around 60 mph across sunlit regions. They say airships offer ample surface area for solar power and require clear skies with light winds, operating below 3,000 feet. The idea appears in New Scientist.
MENTIONED IN THIS ARTICLE
London
UPI
Africa
Arabia
South America
Australia
Gabriel Khoury
Imperial College
Edwin Monforth
Surrey University
New Scientist
Fossil pollen clues to global climate history
Tucson based study by Dr. Vera Markgraf at the University of Arizona analyzes 15,000 year old Argentine pollen from three latitudes funded by the NSF. By comparing Southern Hemisphere samples with Northern ones scientists seek to explain past climate shifts and factors like Antarctic sea ice and Earth's orbit. Her work shows the Southern Hemisphere warmed 2,000 years after Europe following the last ice age, aiding future climate maps.
MENTIONED IN THIS ARTICLE
Tucson, Ariz
UPI
Vera Markgraf
University of Arizona
National Science Foundation
Argentina
Earth
Tion
Markgraf
Europe
New computer model predicts lumber strength more accurately
Colorado State University researchers Dr. James R. Goodman and Dr. Jozsef Bodig developed a computer model to calculate stresses around knots and defects in wood. The method improves strength predictions for lumber and wood products, potentially expanding usable wood in construction amid shortages.
MENTIONED IN THIS ARTICLE
Washington
Colorado State University
James R. Goodman
Jozsef
Bodig
Wood Science and Technology
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