Tech Briefs Magazine - December 2022 - MD17

MD Fluid Line Products Ad 0622.qxp_1/3 Page Ve
A close-up of the gripper's filaments wrapping around an object. (Image: Harvard Microrobotics Lab/Harvard SEAS)
complish longer-horizon planning tasks,
such as, how the dough will deform given
the current tool, movements, and actions,
is a next step for future work.
The researchers used simulations and
experiments to test the efficacy of the gripper,
picking up a range to grasp soft fruits
and vegetables for agricultural production
and distribution, delicate tissue in medical
settings, even irregularly shaped objects
in warehouses, such as glassware.
For more information, contact Leah
Burrows at lburrows@seas.harvard.edu;
617-496-1351.
Solar-Powered Smart Robots Walk
Autonomously
The innovation sets the stage for a new generation of microscopic
devices that can track bacteria, destroy pollutants, and conduct
microsurgery.
Cornell University, Ithaca, NY
A
collaborative effort has installed
electronic " brains " on solar-powered
robots that are 100 to 250 micrometers in
size - smaller than an ant's head - so
that they can walk autonomously without
being externally controlled.
While Cornell researchers and others
have previously developed microscopic
machines that can crawl, swim, walk and
fold themselves up, there were always
" strings " attached; to generate motion,
wires were used to provide electrical current
or laser beams had to be focused directly
onto specific locations on the robots.
" Before, we literally had to manipulate
these 'strings' in order to get any kind of
response from the robot, " said Itai Cohen,
Professor of Physics in the College of Arts
and Sciences. " But now that we have these
Motion Design, December 2022
brains on board, it's like taking the strings
off the marionette. It's like when Pinocchio
gains consciousness. "
The project brought together researchers
from the labs of Cohen, Alyosha
Molnar, Associate Professor of electrical
and computer engineering in Cornell
Engineering; and Paul McEuen, the John
A. Newman Professor of Physical Science
(A&S), all co-senior authors on the paper.
The " brain " in the new robots is a complementary
metal-oxide-semiconductor
(CMOS) clock circuit that contains a thousand
transistors, plus an array of diodes,
resistors and capacitors. The integrated
CMOS circuit generates a signal that produces
a series of phase-shifted square wave
frequencies that in turn set the gait of the
robot. The robot legs are platinum-based
17

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Tech Briefs Magazine - December 2022

Table of Contents for the Digital Edition of Tech Briefs Magazine - December 2022

Tech Briefs Magazine - December 2022 - Intro
Tech Briefs Magazine - December 2022 - Sponsor
Tech Briefs Magazine - December 2022 - Cov1
Tech Briefs Magazine - December 2022 - Cov2
Tech Briefs Magazine - December 2022 - 1
Tech Briefs Magazine - December 2022 - 2
Tech Briefs Magazine - December 2022 - 3
Tech Briefs Magazine - December 2022 - 4
Tech Briefs Magazine - December 2022 - 5
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Tech Briefs Magazine - December 2022 - 12
Tech Briefs Magazine - December 2022 - 13b
Tech Briefs Magazine - December 2022 - 12b
Tech Briefs Magazine - December 2022 - 13
Tech Briefs Magazine - December 2022 - 14
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Tech Briefs Magazine - December 2022 - 16
Tech Briefs Magazine - December 2022 - 17
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Tech Briefs Magazine - December 2022 - 45
Tech Briefs Magazine - December 2022 - 46
Tech Briefs Magazine - December 2022 - 47
Tech Briefs Magazine - December 2022 - 48
Tech Briefs Magazine - December 2022 - Cov3
Tech Briefs Magazine - December 2022 - Cov4
Tech Briefs Magazine - December 2022 - MDCov1
Tech Briefs Magazine - December 2022 - MDCov2
Tech Briefs Magazine - December 2022 - MD1
Tech Briefs Magazine - December 2022 - MD2
Tech Briefs Magazine - December 2022 - MD3
Tech Briefs Magazine - December 2022 - MD4
Tech Briefs Magazine - December 2022 - MD5
Tech Briefs Magazine - December 2022 - MD6
Tech Briefs Magazine - December 2022 - MD7
Tech Briefs Magazine - December 2022 - MD8
Tech Briefs Magazine - December 2022 - MD9
Tech Briefs Magazine - December 2022 - MD10
Tech Briefs Magazine - December 2022 - MD11
Tech Briefs Magazine - December 2022 - MD12
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Tech Briefs Magazine - December 2022 - MD15
Tech Briefs Magazine - December 2022 - MD16
Tech Briefs Magazine - December 2022 - MD17
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Tech Briefs Magazine - December 2022 - MD19
Tech Briefs Magazine - December 2022 - MD20
Tech Briefs Magazine - December 2022 - MDCov3
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Tech Briefs Magazine - December 2022 - BETCov1
Tech Briefs Magazine - December 2022 - BETCov2
Tech Briefs Magazine - December 2022 - BET1
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Tech Briefs Magazine - December 2022 - BET3
Tech Briefs Magazine - December 2022 - BET4
Tech Briefs Magazine - December 2022 - BET5
Tech Briefs Magazine - December 2022 - BET6
Tech Briefs Magazine - December 2022 - BET7
Tech Briefs Magazine - December 2022 - BET8
Tech Briefs Magazine - December 2022 - BET9
Tech Briefs Magazine - December 2022 - BET10
Tech Briefs Magazine - December 2022 - BET11
Tech Briefs Magazine - December 2022 - BET12
Tech Briefs Magazine - December 2022 - BET13
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Tech Briefs Magazine - December 2022 - BET17
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Tech Briefs Magazine - December 2022 - BET19
Tech Briefs Magazine - December 2022 - BET20
Tech Briefs Magazine - December 2022 - BET21
Tech Briefs Magazine - December 2022 - BET22
Tech Briefs Magazine - December 2022 - BET23
Tech Briefs Magazine - December 2022 - BET24
Tech Briefs Magazine - December 2022 - BET25
Tech Briefs Magazine - December 2022 - BET26
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Tech Briefs Magazine - December 2022 - BET28
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Tech Briefs Magazine - December 2022 - BET31
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Tech Briefs Magazine - December 2022 - BET35
Tech Briefs Magazine - December 2022 - BET36
Tech Briefs Magazine - December 2022 - BETCov3
Tech Briefs Magazine - December 2022 - BETCov4
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