Len Rosen's blog

For Life to Exist As We Know It, A Planet Needs to Rotate and Needs Oceans

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Without the ocean Earth would be a pretty inhospitable place even though we lie within our Sun's Goldilocks Zone. Those of you who live by the ocean can probably figure out why that is the case. You see the ocean is a temperature moderator and a heat transport mechanism that evens out the climate across the planet.

When Military Technologies Don't Work as Planned

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The horror of 298 lives snuffed out by a missile is reverberating around the planet this week after last Thursday's downing of a Malaysian Airlines Boeing 777. How could missile technology meant to shoot down warplanes get used to destroy a civilian aircraft?

Kentucky Carbon Capture Installation Opens - Will This One Work?

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I remain skeptical about the economics of industrial technologies for carbon capture. Almost every project started has been heavily subsidized by government. But for the operators without government subsidy there seems to be no return on investment. First of all, all existing industrial carbon capture technologies are expensive to implement.

Work and the Future: Who Will? Who Won't?

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If you work for the post office these days then you already have an inkling of what the 21st century will do to many jobs. Texting, email, and mobile connectivity have forever altered the way we communicate. How many of us still write letters on paper and mail them?

Studying Earth's History Reveals a Past Mystery About Our Atmosphere and the Evolution of Life

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Some of you who know me personally know that in my formative years I started studying geophysics in university before a physical accident laid me up for more than a year and I in an epiphany changed my major to Islamic Studies and Medieval History. So I was both a science and history nerd all at the same time. Well nothing has changed.

South Korea Attacks Disruptive Technology with 10 Year Plan

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The government in South Korea is organizing its manufacturing sector along with academics and ministries to tackle and develop 3D printing as an economic opportunity. Rather than rely on the hits and misses of free enterprise, the South Korean leadership is directing all interested players within the country to come up with a roadmap that will lead to innovation in manufacturing and the creation of new jobs.

Gizmos & Gadgets: A Family Robot Named JIBO

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On Indiegogo this month, in fact since posting on July 16th, two days ago, a robotics project has received over 580% of its funding target of $100,000 U.S. Named JIBO, the device created by world famous, Dr.

Can Tetrahedrite Help Generate Cheap Thermoelectric Energy?

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Never heard of tetrahedrite? It's a copper-antimony sulfide. It can contain silver, copper, zinc, mercury or iron. The antimony could be replaced by arsenic or tellurium. And the sulfur may be substituted by selenium or tellurium. It has a crystalline appearance, seen here in a steel-gray metallic appearance in combination with quartz crystals.

Where You Live on Earth Matters

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Look below. Have you seen this image before? It's taken from the International Space Station flying over the Earth at night. What looks like three different land areas separated by water is not. What you are seeing here is an image of the Korean peninsula with two areas of China on the left and South Korea to the right. The black area in the middle between China and South Korea is not the Yellow Sea. It's North Korea. And what appears to be an island in the middle is North Korea's capital, a solitary point of light in a sea of darkness.

Space Updates: We Are a Year Away from Pluto Close-up and New Earth 20 Years Away

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NASA in the news the last few days is getting prepared for Pluto and beyond while some of its scientists further speculate on finding alien life on a New Earth within the next two decades. Wasn't it just a couple of weeks ago when the SETI folks said something similar? In any event, here are the stories that made middle-page headlines in the last week.

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