Blogs

Got an Old Satellite Dish? - Convert it to Your Own Radio Telescope

Subject(s):
Len Rosen's picture

When my wife and I downsized we left our satellite dish and satellite TV behind and went back to cable because that's what was available in the building where we have our apartment. We are not alone in abandoning this technology. Homes that were early adopters of satellite TV can have enormous dishes sitting in backyards or rigged on to poles projected above the roof line of their homes.

Gizmos & Gadgets: Eyeglass Wearers Can Ditch Their Eyewear

Subject(s):
Len Rosen's picture

I don't know about you but I've been wearing prescription glasses since I was seven years old. I've tried contact lenses several times and given up on them. I've contemplated laser vision correction but have been told that my astigmatism would make it less than effective.

A Carbon Bubble in 2015?

William Halal's picture

The dot-com bubble caused a market crash in 2000, a housing bubble almost brought down the global economy in 2008, and today's gushing excitement over new US oil and gas discoveries could also prove to be a bubble that is likely to collapse about 2015 – a "carbon bubble."

Climate Change will Impact Credit Ratings of Nations Most at Risk States S&P

Len Rosen's picture

Climate change is threatening the credit rating of nations. Standard & Poor's has indicated that the credit ratings of 128 nations are at risk. S&P sees climate change as a more challenging problem than the changing demographics of our human population from aging in the Developed World to surging population in Developing Nations.

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

Len Rosen's picture

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

Subject(s):
Len Rosen's picture

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?

Len Rosen's picture

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.

When Everyone Becomes Blackmailable

Subject(s):
Thomas Frey's picture

On a recent driving trip, my wife and I became immersed in the audio version of one of Tom Clancy’s last novels, titled “Threat Vector.” Without giving away too much of the plot, a Chinese super-geek villain has hatched a plan to hack into our most secure networks and blackmail people with their darkest secrets to subversively cause chaos and disruption for the American government.

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

Len Rosen's picture

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

Subject(s):
Len Rosen's picture

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.

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