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Science / Technology & Space

Evidence indicates the wheel was created to serve as potter's wheels around 3500 B.C. in Mesopotamia—300 years before they were used for chariots.

A Salute to the Wheel

Always cited as the hallmark of man’s innovation, here is the real story behind the wheel – from its origins to its reinvention

The Hubble Space Telescope’s Finest Photos

Now that the telescope has received its final upgrades, we look back on Hubble’s most memorable images from space

Frustrated by human error, mathematician and inventor Charles Babbage designed a machine to perform mathematical functions and automatically print the results.

Booting Up a Computer Pioneer’s 200-Year-Old Design

Charles Babbage, the grandfather of the computer, envisioned a calculating machine that was never built, until now

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Happy Pi Day!

In honor of Pi Day this year, I present the first 2009 digits of Pi

A vegetable garden and less bottled water can help turn the White House "green."

Energy Efficiency at the White House

How environmental change can begin at the president’s home

Photovoltaic panels are ideally suited to remote locations, as in this island community in Denmark, where the infrastructure required to connect to a centralized power grid is prohibitively expensive or too destructive to the natural landscape.

Energy Saving Lessons From Around the World

The curator of an exhibit at the National Building Museum highlights case studies of community involvement in energy conservation

Tom Casten (right) is chairman and his son Sean is president and CEO of a company called Recycled Energy Development (RED) that is installing a heat-recovery system at West Virginia Alloys.

Converting Energy Waste into Electricity and Heat

Energy recycling wiz Tom Casten explains how to capture power that goes up in smoke

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Rebuilding Greensburg Green

Everyone assumed this Kansas town was destined to fade away. What would it take to reverse its course?

Dr. Edward Arnett (in the orange vest), a scientist with Bat Conservation International and his bat-finding labrador retriever accompany plant manager Chris Long at the Casselman Wind Power Project in Pennsylvania.

Can Wind Power Be Wildlife Friendly

New research aims to stop turbines from killing bats and birds

The Smithsonian Institution is taking many steps to ensure a greener future.

A Greener Smithsonian

In an Institution-wide pursuit of a greener future, researchers and engineers are furthering the cause of energy sustainability

Galileo

Galileo, Reconsidered

The first biography of Galileo Galilei resurfaces and offers a new theory as to why the astronomer was put on trial

Termite digestion of wood pulp is the subject of research into
potential new biofuels

Termite Bellies and Biofuels

Scientist Falk Warnecke’s research into termite digestion may hold solutions to our energy crisis

The ATHLETE, one of NASA’s prototype vehicles recently tested at Moses Lake, Washington, is a six-legged robot, an all-terrain vehicle that sports wheels at the end of each limb that allow the robot to navigate as a rover.

Debating Manned Moon Missions

Experts provide opposing viewpoints on manned missions to space

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