Backpack Generator Harnesses Power Of Walking
A backpack generator designed by Lawrence Rome and colleagues at the University of Pennsylvania is able to convert the vigorous strides of hikers into more than 7 watts of usable power. That's enough for emergency workers to power a GPS locator and a head-lamp indefinitely.
(Backpack Generator worn by Lawrence Rome)
The pack is spring-loaded, and mounted on rails to slide up and down as the wearer strides along. This motion moves a toothed rod, which meshes with a gearwheel, which turns to generate electricity. As you might guess, the heavier the load, the more power is generated - but the harder it is too walk. However, research showed [I just love that whole "reality-based" approach] that wearers alter their gait to walk more efficiently when wearing the sliding pack.
(Lawrence Rome Backpack Generator Diagram)
My first introduction to the idea of generating power from ordinary human motions was in Dune, the classic sf novel by Frank Herbert. In the novel, he writes about stillsuits that utilize the power of human locomotion. Stillsuits are used to capture and recycle human perspiration on a planet almost devoid of surface water:
Perspiration passes through it, having cooled the body. Motions of the body, especially breathing, and some osmotic action provide the pumping force. With a Fremen suit in good working order, you won't lose more than a thimbleful of moisture a day - even if you're caught in the Great Erg.
(Read more about Frank Herbert's stillsuit)
I wonder if Lawrence considered tightening the harness just a bit, to take advantage of the chest expansion and compression?
Read more about the backpack generator. Also, take a look in the comments
for this story to see a nineteenth century example of harnessing natural body motions (can you think of an earlier one?)
Scroll down for more stories in the same category. (Story submitted 9/10/2005)
Follow this kind of news @Technovelgy.
| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |
you like to contribute a story tip?
Get the URL of the story, and the related sf author, and add
Comment/Join discussion ( 6 )
Related News Stories -
Turing's Nose - Was That Scent Real Or Artificial?
'Rippling arpeggios of thyme and lavender...' - Aldous Huxley, 1932.
Cost Effective Smart Windows To Replace Curtains?
'The polawindow, which he tuned to clear transmission.' - Frank Herbert, 1972.
Autonomous Tractor Harvest-Ready
'[He] dropped the handles of the plough that was plugged into the robomule...' - Harry Harrison, 1965.
AgileQuad Object Avoidance Drone
Perfect for forest moons.
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
the Invention Category that interests
you, the Glossary, the Invention
Timeline, or see what's New.
Brick By Brick, Building Martian Bases
Don't try to boost everything from the surface of the Earth.
SpotMini Robot Pierson's Puppeteer-Style
Now they're kind of cute, right?
Elon Musk et. al. OpenAI Household Robot
'Any work a human being does around a house.'
BRUISE Smart Injury Detection Suit
'... Bee could see that three of them were disabled and two of them damaged.'
Tesla Model S Is Also A Boat (Sort Of)
'This Dick Dare contraption of yours...'
Promobot, The Runaway Russian Robot!
'Got yourself a runaway, Jack?'
Rowbot Small Autonomous Farm Robot
'...The tiny red glints of self-guided tractors.'
Amazon's Alexa To Recognize Emotions
Oh, Hal understood their emotions, all right.
Cool 'Single-Person Spaceships' Have Better SF Name
'A cabin so small, you couldn't stand up with the air lock closed..'
First Robot Suicide Has Science Fiction Roots
'What had happened to prevent my death?'
First US Clinical Trial For Wearable Artificial Kidney
'Wholly mechanical organs...'
Open Bionics To Produce Deus Ex Prosthetic Designs
Be a part of a science fictional future.
Human-Carrying Drone Taxi 184 Approved For Test Flights
'The cab was an egg-shaped bubble...'
Skating On Mars' Frozen Pools
'They went down, put on their skates, and started.'
Google Working On A 'Cutoff Switch' For AI
'A remote control, so you can pull the plug on Hal whenever you want to.'
Vi Artificially Intelligent Personal Trainer
More SF in the News Stories
More Beyond Technovelgy science news stories