Browsing the "John Perlin" Tag

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Our Forests & Our Civilization: Interview Series with John Perlin – Part II – Forests Change the World

Originally published on Planetsave. Welcome to Part II of our interview series with John Perlin, author of “A Forest Journey: the Story of Wood and Civilization,” an important book that has now come out in its third edition. Our topic? Our forests and our civilization. Perlin details the place of forests and wood in our civilization’s evolution. In […]

November 30th

Author John Perlin and The Solar Cell

In a discussion today about solar energy and the coming Year of Light, author John Perlin helped enlighten me about the importance of the solar cell (photovoltaic systems) as a source for renewable electricity. What is the biggest consideration in designing a PV system, as opposed to a solar thermal system that uses multiple heliostats? […]

December 18th

John Perlin Series: Five Major Breakthroughs in Solar Energy – Part II

I am pleased  to post this second in a series of solar energy  articles from John Perlin, based on his ground breaking book, Let It Shine: The 6,000-Year Story of Solar Energy. Perlin discusses the major breakthroughs in solar energy over the millennia. Second Major Breakthrough – Solar Architecture and Solar Cities The second major breakthrough […]

September 22nd

The Dark Side of Solar Energy: Solar Weaponry

John Perlin’s book, “Let It Shine: The 6000-Year Story of Solar Energy,” tells of a scheming thirteenth century priest/scientist who tries to convince the Pope to start a solar weapons’ race by showing him a treatise written by an early Muslim geometrician regarding solar burning mirrors. Had solar energy lived up to its threat as […]

July 21st

The Birth of On-Grid Rooftop Photovoltaics

Special thanks to author John Perlin for this contribution about the introduction of rooftop photovoltaics. The material comes from Perlin’s recently published book, Let It Shine: The 6000-Year Story of Solar Energy. John Ericsson had gained great fame in America for designing the Monitor, the first iron ship that helped save the Union forces during America’s […]

June 12th

The Role of Architectural History in the Development of Solar Passive Architect David Wright

The evolution of pioneer solar passive architect David Wright’s career demonstrates the importance of exposure to the solar works of the ancients, as provided in this guest column by John Perlin based on his new book, Let It Shine: The 6000-Year Story of Solar Energy. This is the first of five articles. David Wright was […]

May 22nd