Water vortex display from SJ City Hall exhibition -- repair and upgrade

2011-08-13

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Automatic cat feeder with stepper motor and ATMega AVR

2011-07-03

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Product Review: Grizzly 4003G metal gunsmith lathe

2011-05-30

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Tutorial: How to build an air muscle and use it in a force-feedback joystick

2011-02-17

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DIY flex sensor gloves for possible VR or video game control

2010-12-11

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Remote electronic focus for telescope (DIY remote follow focus)

2010-09-13

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Web-controlled watering can with siteplayer and arduino

2010-09-05

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Cookie Machine Project Update 3

2013-04-29

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Cookie perfection machine - butter dispenser

2013-03-04

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Milling machine tutorial - cutter selection, speeds and feeds, coolant, high speed machining

2013-06-24

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Water circulator with temperature control

2013-06-03

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Custom supercritical CO2 chamber with easy-to-use lid clamp

2013-09-30

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Making patterned mirrors and ITO glass with a thermal evaporator

2013-08-05

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Optical finish for acrylic -- vapor polishing and other techniques

2013-07-21

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Glue chipped glass - first attempt

2013-07-15

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Progress on vacuum chamber build - helium leak detection, custom flanges

2013-07-08

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How a Mass Flow Controller works

2014-03-09

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More info about sputtering: process parameters, chamber construction

2013-12-30

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Car engine science: Ignition timing, emissions, mixture

2014-10-13

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Cryogenic machining: Custom rubber parts

2014-09-15

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How to chemically strengthen glass (eg Gorilla Glass)

2014-08-07

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Ultra low-temperature cascade refrigeration system repair

2014-07-26

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Measure the mass of an eyelash with a DIY microbalance

2014-06-08

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Measure car engine speed RPM via the cigarette lighter

2014-05-25

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How a Crookes radiometer works

2014-11-03

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Obeying the law (of physics)! Kinetic energy and momentum explained

2014-12-08

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Waterjet cutter built with a cheap pressure washer

2017-05-29

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Make vacuum pre-loaded spherical air bearings without special tools

2019-12-22

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