Bacteria Moving Microgears Could Generate or Provide Energy

March 2, 2010
Bacteria moving microgears could generate or provide energy.
Argonne National Laboratory, www.anl.gov

Scientists at the Argonne National Laboratory, Argonne, Ill., have discovered they can harness bacteria to turn microgears millions of times more massive than the bacteria themselves. The gears measure about 380 microns in diameter and have relatively long slanted spokes upon which the bacteria push. Although the scientists cannot completely control the bacteria yet, they’ve proved bacteria can turn the gears, and at times a few hundred bacteria work together to turn a gear for a relatively long stretch of time. Scientists have found they can speed the bacteria’s motions by boosting the amount of oxygen in their environment. Conversely, decreasing oxygen slows or stops bacteria movement. Researchers say this is the first step in developing hybrid biomechanical devices driven by microorganisms.

Sponsored Recommendations

June 27, 2025
Ensure workplace safety and compliance with our comprehensive Lockout/Tagout (LOTO) Safety Training course. Learn critical procedures to prevent serious injuries.
June 27, 2025
Join our expert webinar to discover essential safety control measures and best practices for engineering a truly safe and compliant industrial environment.
June 25, 2025
An innovative aircraft with electric drives combines the best of both worlds. The cross between drone and helicopter could mean significantly faster and more efficient air emergency...
June 25, 2025
Effective when other materials fail, ceramics are particularly suitable for applications requiring wear and chemical resistance, sliding characteristics or biocompatibility. Discover...

Voice your opinion!

To join the conversation, and become an exclusive member of Machine Design, create an account today!