Exclusive Playlists (10)

Subscribe to see interesting applications of science and technology. You'll see how an electron microscope was built in a home shop, how an X-ray backscatter system works, how to make aerogel, and many other hi-tech projects. Topics usually include electromechanical systems, chemistry, and electronics. Hosted by Ben Krasnow.

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Multi-layer reactive foil: no fuel, no oxygen, tons of heat

2023-05-28

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Temperature-sensing RFID tag in magnetic stir bar

2023-04-10

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Etching silicon wafers to make colorful Rugate optical filters (porous silicon)

2020-11-15

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Alpha radiation makes sparks, detects smoke, and eliminates static cling

2020-04-05

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Electron microscope animation: Carbon nanotubes pulled into thread

2020-02-22

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Details in the process of making "blacker than vantablack" coatings (part 1?)

2020-01-21

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Make vacuum pre-loaded spherical air bearings without special tools

2019-12-22

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UV laser creates disappearing ink in normal printer paper

2019-08-05

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"Bouncy" sulfur hexafluoride gas in tennis balls?

2019-07-03

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Build an electroluminescent glass panel display -- an Apollo DSKY

2019-05-15

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High-resolution screen printing demystified

2019-01-21

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Behind the scenes at Applied Science: Why video? Camera gear. Shop tour.

2018-12-31

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Laser diode self-mixing: Range-finding and sub-micron vibration measurement

2018-12-09

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Electroluminescent paint and multi-channel control circuit

2018-11-21

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Vintage electrical tech - Weston Sensitrol Relay

2018-08-19

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Zeeman Effect - Control light with magnetic fields

2018-06-24

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3D print your brain, timelapse, high-res microfluidics, custom colors...

2018-05-26

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Glowing plasma created by a high speed jet of water

2018-04-01

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Flashing Light Prize 2018 - Sunscreen, UV, and neon

2018-01-28

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Glass engineering - designing and making photochromic glass

2017-11-25

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E-paper hacking: fastest possible refresh rate

2017-10-29

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World's smallest lightbulb flasher? Flashing Light Prize 2017

2017-07-01

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Waterjet cutter built with a cheap pressure washer

2017-05-29

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Tesla CAN bus data logging

2017-02-20

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Camera movement and dolly zoom with Chronos high-speed camera

2017-01-02

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"Bullet Time" with the Chronos high-speed camera

2016-11-26

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AM transmitter for antique radios and other project updates

2016-10-30

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A refrigerator that works by stretching rubber bands

2016-08-23

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Heat-sensitive 3D paper (swell paper)

2016-06-05

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Handheld CNC router repairs old CNC machine

2016-04-09

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Piezoelectric motor

2016-03-13

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Design and build a spin coater

2016-02-21

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Making DIY gecko tape - work in progress

2016-01-01

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Your toothbrush is worn-out!

2015-11-01

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Ruby laser (and other projects) follow-up

2015-10-18

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How to choose a cleaning solution

2015-10-04

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Electron microscope image capture via microcontroller (with drill bit animation)

2015-08-30

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Control light with heat and magnets (Magneto-optical Kerr effect)

2015-08-10

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Control light with magnets and olive oil?! (Faraday effect)

2015-07-26

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Liquid Nitrogen Generator - Overview

2015-07-20

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Tools and Tips #2 from Applied Science

2015-06-29

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The physics of floating screwdrivers

2015-05-25

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Shrinking paper money with ammonia

2015-05-06

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Extreme wood bending with ammonia

2015-04-27

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Distilling pure anhydrous ammonia

2015-04-19

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Magnetic Propulsion

2015-04-09

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How Digital Light Processing (DLP) works

2015-03-08

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Review of National Instruments VirtualBench

2015-02-22

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The science of wineglass tears (or wine legs)

2015-02-16

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Tools and Tips #1 from Applied Science

2015-02-08

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Covert radio pen with bone conduction speaker

2015-01-26

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How a horn amplifies sound (hint: Impedance matching)

2015-01-11

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Chocolate gun dispenses edible molten chocolate

2014-12-15

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

2014-12-08

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Encode information in fire!

2014-12-01

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Ben answers your questions #1

2014-11-24

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Color-changing Zinc Oxide -- and submit your questions for Ben

2014-11-10

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How a Crookes radiometer works

2014-11-03

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Catalytic cigarette lighter

2014-10-28

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Tire sealant chemistry and tire pressure monitors

2014-10-20

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Car engine science: Ignition timing, emissions, mixture

2014-10-13

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High pressure gas cylinder transfer

2014-10-06

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Magnetic refrigeration: How does that work?!

2014-09-29

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Cryogenic machining: Custom rubber parts

2014-09-15

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Hydrogenation: transform liquid oil into solid fat

2014-08-25

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Liquid laughing gas supports combustion

2014-08-12

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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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Vote for future video topics on Applied Science

2014-07-16

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How to electropolish aluminum

2014-07-07

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Mathematical integration without calculus

2014-06-29

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Measure the mass of an eyelash with a DIY microbalance

2014-06-08

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Use an oscilloscope to collect optical spectral data

2014-06-02

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Measure car engine speed RPM via the cigarette lighter

2014-05-25

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Diffusion pump giveaway contest - ends May 31 2014

2014-05-10

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Unusual usage (hours) counter with mercury capillary

2014-05-02

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Trigger circuit for large xenon flash tubes

2014-04-29

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Electron beam control in a scanning electron microscope

2014-04-10

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Vacuum and pressure frying fruits and vegetables

2014-03-23

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How a Mass Flow Controller works

2014-03-09

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pH indicating soap bubbles (Ben Krasnow - new channel name!)

2014-03-03

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How a breathalyzer works (alcohol sensor)

2014-02-24

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Self-cleaning glass windows

2014-02-10

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Cookie Perfection Machine

2014-01-11

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Ruby laser design process

2014-01-06

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More info about sputtering: process parameters, chamber construction

2013-12-30

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Intro to plasma cleaning

2013-12-15

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Tongue mouse: Cursor control with your mouth!

2013-11-25

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Patterning aluminum with the photoresist "lift-off" method

2013-11-18

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Posture-based game controller

2013-11-17

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Intro to sputtering (process to create clear, conductive coatings)

2013-11-10

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Clear flexible printed circuits - first success

2013-10-21

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Intro to heat treatment of steel (hardening and tempering)

2013-10-14

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Detectron DG-2 geiger counter teardown and testing

2013-10-08

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Explanation of how kilowatt-hour meters work (electromechanical)

2013-10-06

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

2013-09-30

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Quartz crystal thickness monitor for vapor deposition in vacuum

2013-09-08

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Supercritical CO2 extraction of cinnamon, coffee, and vanilla with dry ice

2013-08-12

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Making patterned mirrors and ITO glass with a thermal evaporator

2013-08-05

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Photomicrography (microphotography, macro), focus stacking

2013-07-28

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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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Thermocouple vacuum gauge teardown and explanation

2013-06-30

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

2013-06-24

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New high vacuum system

2013-06-10

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Water circulator with temperature control

2013-06-03

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Intro to DIY Raman Spectroscopy

2013-05-27

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Fun with applied science

2013-05-25

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Cookie Machine Project Update 3

2013-04-29

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Cookie Machine Project Update 2

2013-04-22

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Cookie Machine project update

2013-04-15

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Bubble tube lamps - explanation and construction

2013-04-10

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Blow molding plastic water bottles

2013-04-01

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Two laps at 24 Hours of Lemons (Sears Pointless 2013)

2013-03-30

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Cookie perfection machine - butter dispenser

2013-03-04

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Hacking a milligram balance (scale) with a Parallax Propeller microcontroller

2013-02-25

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Cleaning a high-vacuum Penning gauge (cold cathode vacuum gauge)

2013-02-11

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Timelapse macro video of crystal growth

2013-01-20

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Timelapse video of crystal growth in novelty toy

2013-01-14

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DIY X-ray CT scanner controlled by an Arduino

2013-01-08

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Jukebox color wheel synchronizer

2012-12-10

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DIY X-ray backscatter imaging system (airport body scanner)

2012-11-26

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Intro to Fourier Optics and the 4F correlator

2012-11-12

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Large area detector for X-rays

2012-11-04

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Reverse-engineering and testing an x-ray filament supply

2012-10-29

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Turning a laminated wooden vase on the lathe

2012-10-15

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Measuring the voltage, current, and light output of a strobe flash lamp (Speedotron 4803)

2012-10-08

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Hybrid rocket engine with acrylic and gaseous oxygen

2012-09-24

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Viewing an active electronic circuit with a scanning electron microscope

2012-09-03

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First test with eBay x-ray tube

2012-09-02

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First test with 4.8KJ xenon flash lamp (Speedotron 4803 strobe light)

2012-08-20

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Decapping ICs (removing epoxy packaging from chips to expose the dies)

2012-08-13

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Tour of Ben's shop 2012

2012-08-06

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Molecular gastronomy (playing with food): "reverse" spherification maraschino cherries

2012-07-16

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Follow-up: Attempting to make X-rays by unrolling Scotch tape -- Success?

2012-07-09

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Attempting to make X-rays by unrolling Scotch tape (negative result)

2012-07-09

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Measuring the voltage and current of a microwave oven magnetron

2012-06-25

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Frying a potato chip in Fluorinert FC-40

2012-06-25

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Liquid level sensor and controller (auto top-off for aquarium)

2012-06-11

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Avocado vs high pressure nitrous oxide

2012-05-21

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Whipped chocolate made with high pressure nitrous oxide

2012-05-07

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Simple cloud chamber

2012-04-30

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Dissolving lithium in anhydrous ammonia

2012-04-30

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Lithium sheet metal and zirconium powder

2012-04-15

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Making Pop Rocks candy at home

2012-04-10

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Power strip failure analysis

2012-04-09

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How a liquid lens works (electrowetting)

2012-02-27

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Projector HID arc light mounted into a desk lamp

2012-02-12

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Freeze-drying Jello gelatin with an improved cold trap

2012-01-28

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Yeast cells under the microscope

2012-01-25

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Creating aerogel with supercritical methanol

2012-01-22

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Making astronaut ice cream in my home shop

2012-01-12

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Extracting caffeine with methylene chloride

2012-01-08

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Caffeine extraction from green coffee with supercritical CO2

2011-12-31

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LED mounted in a contact lens for possible virtual / augmented reality displays

2011-12-19

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Tutorial: Op-amp circuit for force sensor signal conditioning

2011-12-09

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Trying to visualize beta particles in supercritical CO2 (still no success)

2011-12-07

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Laser microphone for audio surveillance via window panes

2011-11-24

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Making silica aerogel at home

2011-11-13

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Carbonated fruit: apple slices

2011-11-11

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Supercritical CO2 does not help visualize ionizing alpha particles

2011-11-06

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Supercritical drying chamber for aerogel production

2011-10-28

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Experimenting with a liquid lens and driver IC

2011-10-21

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Microstepping a stepper motor with the SLA7062

2011-10-18

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Rip a phone book in half!

2011-10-05

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How to TIG weld aluminum beverage cans together

2011-10-04

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Effect of long-term high pressure CO2 on acrylic

2011-10-01

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Supercritical CO2 caffeine extraction (negative result -- more work needed)

2011-09-19

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Argon beer, an alternative to the usual CO2 carbonation

2011-09-08

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Supercritical CO2 chamber O-ring blowout

2011-09-03

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Magnesium burning inside dry ice

2011-09-03

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A close look at supercritical carbon dioxide CO2

2011-09-03

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Getting started with the Altera DE1 FPGA board: Create and download a simple counter

2011-08-25

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CNC milling glass plates and mirrors

2011-08-22

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Effect of acetone vapor on thermal printer paper

2011-08-20

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

2011-08-13

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Repairing the 5V output from a Mastech HY3005D-3 (cheap import) power supply

2011-08-10

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Transcranial Magnetic Stimulation project - part 2

2011-08-07

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Cooking with thermite

2011-08-03

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Frequency response test for thermal imaging sensor

2011-07-24

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Product Review: CP06 low-cost AC/DC clamp-on current probe

2011-07-18

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Transcranial Magnetic Stimulation project - part 1

2011-07-16

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Automatic cat feeder with stepper motor and ATMega AVR

2011-07-03

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Extech IR250 infrared thermometer disassembly and plans for thermal imaging

2011-06-24

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What should I build with six ultracapacitors?

2011-06-19

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Lavalier microphone comparison: Audio-Technica ATR-3350 vs Sony ECM-55B

2011-06-19

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DIY Scanning Electron Microscope - Operation procedure

2011-05-31

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Product Review: Grizzly 4003G metal gunsmith lathe

2011-05-30

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Shop lighting upgrade: T5 vs T8 fluorescent vs LED

2011-05-27

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Interactive model of a 3D printer for teaching

2011-05-18

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Piezoelectric Braille system with PC parallel port control and HV transistors

2011-04-25

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DIY Scanning Electron Microscope - Electron Gun Detail

2011-04-16

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Fiberoptic mouse with quadrature encoders and custom shutter buttons

2011-04-14

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DIY Scanning Electron Microscope - Tektronix contest entry

2011-04-12

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DIY Scanning Electron Microscope - Sources, Costs and References

2011-03-26

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DIY Scanning Electron Microscope - Overview

2011-03-21

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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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Cathode ray tube disassembly and explanation

2011-01-27

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Fiberoptic joystick with quadrature encoders and arduino

2010-12-19

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DIY flex sensor gloves for possible VR or video game control

2010-12-11

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Quick Tip: Tapping holes in plastic

2010-10-28

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1000W xenon arc lamp built into DIY searchlight housing

2010-10-13

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Low-cost DIY thermal imaging - liquid crystal paint testing

2010-10-07

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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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Universal motor speed control by a microcontroller (arduino)

2010-08-29

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How to make fondant cakes - complete tutorial -Part 2

2010-08-16

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How to make fondant cakes - complete tutorial -Part 3

2010-08-15

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How to make fondant cakes - complete tutorial - Part 1

2010-08-15

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Speaker repair - replacing the foam surround

2010-04-18

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Etching Acetal (Delrin) plastic in preparation for painting, gluing, etc

2010-04-15

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First test run of 1000W Osram Xenon short arc lamp XBO

2010-04-02

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GH1 with macro lens -- bees and other garden sights

2010-03-14

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Heartbreaker medly

2010-03-08

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Improved Lumix GH1 test 720p60 reef aquarium

2010-02-25

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Fluid-filled coffee table in motion

2010-01-10

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Making a double shot of espresso in my hacked espresso machine

2009-12-25

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Volume Control

2009-12-08

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Liquid oxygen accelerates styrofoam cup combustion

2009-11-09

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Halloween prop: monster in a box

2009-11-01

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Firing up a charcoal BBQ with liquid oxygen

2009-08-23

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