Len Rosen's blog

Cicadas and Lifespans - Reflections on a Morning Walk

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August 23, 2015 - I'm listening to cicadas outside my apartment window this morning. The steady high-pitched buzz saw singing that often is mistaken by those who are uninformed for the sound of electricity passing through wires. On my morning walks these past few weeks with Maya, my red miniature poodle, it has been hard not to notice cicadas.

Gizmos & Gadgets: A Space Age Shower You Can Buy Today

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August 22, 2015 - It is called The Shower of the Future and costs $4,412 U.S. Inspired by NASA but built to work here on Earth, this washing technology from Sweden is a closed loop system that saves 90% on water and 80% on energy.

Carbon Capture from the Air Technology Demonstrated

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August 21, 2015 - If we could directly harvest carbon dioxide (CO2) from the air and separate and capture the carbon while converting what's left to oxygen then that would really be a technology breakthrough of consequence in our fight against global warming. Sounds like science fiction? Well it's not.

Zero-Carbon Initiative Helps Home Owners Judge Solar Potential of Their Roofs

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August 19, 2015 - I am often asked by readers if it is worth putting solar panels on the roof of their homes. Here in Toronto solar powered houses are few and far between. But just because Toronto is in a northern country doesn't mean solar power is not a good alternative to grid-delivered electricity.

Gizmos & Gadgets: A Lamp That Runs on Saltwater

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August 18, 2015 - It goes by the acronym SALt. It is the invention of a brother and sister from the Philippines. And it is an answer to a long enduring problem in the Developing World, providing light after dark when you have no access to power from a local or national grid.

 

U.S. Patent Issued for Canadian Space Elevator

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August 17, 2015 - A Canadian company applied and was granted a United States design patent for what could prove to be an affordable space elevator. The company is Thoth Technology Inc.

Maladaptation Related to Climate Change a Growing Concern

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August 16, 2015 - When my wife and I were in Florida last winter we drove along A1A, the roadway next to the Atlantic Ocean, where the City of Fort Lauderdale was in the process of spending $11.8 million to mitigate against future hurricanes and "storms of the century"

New UN Projections Show World Population to Hit 11.2 Billion by 2100

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August 14, 2015 - If you live in Canada it sometimes is hard to believe that our world will see an almost doubling of population between the beginning and end of the 21st century. That's because the population growth being experienced globally is not reflected locally in this country.

Climate talks need to address ocean warming and acidity threat.

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August 13, 2015 - Whatever we are doing to the atmosphere by adding greenhouse gases will take centuries to repair. But the damage to the ocean makes these atmospheric perturbations look like a sideshow.

Is MIT's New Fusion Reactor Concept the Answer to Unlimited Power?

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August 12, 2015 - The promise of an affordable commercial fusion reactor continues to be ten years out. It was ten years out in 1990. Ten years out in 2000. And ten years out in 2010. There is pattern here. The promise of fusion is constantly receding into the future.

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