17 photosPhoto 465 · 2019 / Fluids & cooling
Laminated fluid channels and actuators
Thin plastic sheets patterned into fluid paths, flexible actuators, and reinforced chambers.
Photos 258–259, 415, 458–471
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Additional projects
More experiments and prototypes, with related photographs grouped together. Each project appears in one collection.
28 projects
17 photosPhoto 465 · 
5 photosPhoto 302 · 2011–2015 / Sensors & electronics
Early power-electronics experiments
A collection of early capacitor, voltage-multiplier, and repurposed camera-flash projects.
Photos 301–303, 306, 308
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3 photosPhoto 438 · 2013–2014 / Sensors & electronics
Hand-built crystal radio
A radio made with basic tools during an internship stay by the Connecticut coast.
Photos 438–440
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4 photosPhoto 256 · Fluids & cooling
Thermoelectric phone cooler
Phone-cooling prototypes exploring direct thermal contact and temporary heat storage in melting wax.
Photos 256–257, 487–488
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2 photosPhoto 260 · Fluids & cooling
Droplet-adhesion measurements
A tilting test platform for comparing how readily droplets move across different surfaces.
Photos 260–261
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5 photosPhoto 262 · Tools & mechanisms
3D-printed LED competition lamp
An LED lamp designed as an entry in a Lockheed Martin 3D-printing competition.
Photos 262–266
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2 photosPhoto 275 · Tools & mechanisms
Activated-carbon air filter
A fan-driven filter built around a perforated metal tin, probably during middle or high school. The exact project year is uncertain.
Photos 275–276
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4 photosPhoto 277 · Tools & mechanisms
Mad Max-inspired movie prop
A chrome-spray applicator prop inspired by Mad Max: Fury Road.
Photos 277–280
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4 photosPhoto 281 · Tools & mechanisms
Crab-leg robot mechanism
A puppet-like teaching leg and a servo-powered leg used to explore crawling movements.
Photos 281, 283, 441–442
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2 photosPhoto 284 · Optics & light
Infrared smartboard prototype
Hardware for a collaborative school project that tracked an infrared light and drew its path through a projector.
Photos 284–285
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3 photosPhoto 294 · Sensors & electronics
Battery-charger project
An early charger assembly and its internal electronics.
Photos 294–296
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1 photoPhoto 297 · Sensors & electronics
Computer microphone experiment
An unfinished microphone prototype with adjustable gain.
Photo 297
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3 photosPhoto 298 · Sensors & electronics
Remote switch for capacitor experiments
An early remote-control enclosure built to operate experiments from a distance.
Photos 298–300
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3 photosPhoto 314 · Fluids & cooling
Adjustable syringe mechanisms
Manual stops and a motor-driven plunger explored for controlling syringe volume.
Photos 314–315, 317
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2 photosPhoto 319 · Optics & light
Reflected-color sensor
An Arduino-based experiment in measuring the colors reflected by an object.
Photos 319–320
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7 photosPhoto 321 · Fluids & cooling
Ferrofluid pumps
Different mechanisms explored for moving magnetic liquid through small tubes.
Photos 321–323, 325–327, 482
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7 photosPhoto 472 · Tools & mechanisms
Flexible-tubing fabrication experiments
Small pressure-release samples and a prototype machine for automating a tubing-fabrication step.
Photos 324, 472–476, 489
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3 photosPhoto 348 · Fluids & cooling
Small-fluid measurement tools
Pressure-measurement tubes and an experimental fluid junction.
Photos 348, 352–353
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3 photosPhoto 354 · Sensors & electronics
Compass magnetic-field indicator
An adjustable magnet and compass used as a simple analog field indicator.
Photos 354–356
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6 photosPhoto 365 · Materials & heat
Thin carbon and graphite heaters
Trials of conductive coatings and fragile carbon materials as thin electrical heaters.
Photos 365–368, 436–437
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5 photosPhoto 372 · Sensors & electronics
Piezoelectric blower drivers
Custom driver electronics for small air-moving devices used in fluid experiments.
Photos 369–373
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22 photosPhoto 377 · Fluids & cooling
Microfluidic chips, valves, and prototypes
Small fluid channels, valves, and test chambers, including devices built from layered acrylic.
Photos 377–387, 392–397, 416, 443–444, 477–478
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4 photosPhoto 483 · Optics & light
Moving-fluid light display
Experiments in making patterns of light by moving a small fluid segment through a channel.
Photos 388–389, 479, 483
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3 photosPhoto 400 · Sensors & electronics
Rogowski current-pulse sensor
A homemade loop sensor and amplifier for observing current pulses.
Photos 400–402
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5 photosPhoto 406 · Fluids & cooling
Electromagnetic fluid pumps and valves
Electromagnets used to squeeze flexible fluid chambers and pinch thin channels closed.
Photos 406–408, 417–418
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18 photosPhoto 430 · Optics & light
Fiber-optic coupling and wavelength experiments
Experiments in sharing light between fibers, using fluorescence, and manually selecting an output wavelength.
Photos 430, 432, 434–435, 445–449, 480–481, 490–496
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3 photosPhoto 454 · Optics & light
Compact acoustic interferometer
A small optical prototype intended to translate sound-driven mirror motion into changes in an interference pattern.
Photos 454–456
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2 photosPhoto 485 · Sensors & electronics
Rowing-stroke sensor concept
An oarlock experiment using a pressure-sensitive piezoelectric cable to explore stroke measurements.
Photos 485–486
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