Yearly Archives: 2012

Urban Landscapes Update: Megacities Impose Health Challenge for Developing World

In 2008 humanity reached a milestone. For the first time in our history more of us were living in cities than rural environments. Much...

Military Update: Did a Cancer Researcher Inspire the Navy to Turn Seawater into Jet Fuel?

The United States Navy has revealed that its research laboratory is developing a technology that converts carbon dioxide in seawater and combines it with...

Headlines at 21st Century Tech for October 12, 2012

This week's headlines look at a way to feed a billion more of us without planting more crops, a climate change report that dooms...

Energy Update: When it Comes to Renewables We Talk About Solar and Wind, What About Geothermal?

The energy under our feet may prove to be the answer to producing a reliable 24 x 7 source of power for now and...

Transportation Update: Are Electric Vehicles More Environmentally Friendly?

In this month's issue of the Journal of Industrial Ecology researchers report that electric vehicles or EVs may not be as environmentally friendly as...

Agriculture Update: Will We Run Out of Food for Our Growing Population in the 21st Century?

In the year 1969 I turned 20 and the world's human population reached 3 billion. Of those 3 billion, 25% or 750 million were...

Space Update: Robots Will Be the Key to Finding Alien Life on Other Worlds

John Mathews is a professor of Electrical Engineering at Penn State University. He has conducted research at the Arecibo Observatory, the large radio telescope...

Space Update: As Temperatures Around Here Drop to Zero Celsius Gale Crater is Looking Pretty Good These Days

A few days ago the weather report from Gale Crater measured air temperatures in the afternoon at 6 Celsius (43 Fahrenheit). What is even...

Headlines at 21st Century Tech for October 5, 2012

This week's headlines look at the latest controversy around synthetic life, and a whole bunch of energy stories including: a new oil sands technology...

Space Update: October 4th, 1957, 55 Years Ago the Space Age Began – Where and How Do We Go in the Next 55 Years?

Fifty-five years ago on October 4th, the Soviet Union launched Sputnik. Twelve years later two astronauts landed on the Moon and returned to Earth....

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