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.

click to show shorts
video thumbnail 6:08
Multi-layer reactive foil: no fuel, no oxygen, tons of heat

2023-05-28

details
video thumbnail 14:46
Temperature-sensing RFID tag in magnetic stir bar

2023-04-10

details
video thumbnail 29:29
Etching silicon wafers to make colorful Rugate optical filters (porous silicon)

2020-11-15

details
video thumbnail 11:59
Alpha radiation makes sparks, detects smoke, and eliminates static cling

2020-04-05

details
video thumbnail 8:06
Electron microscope animation: Carbon nanotubes pulled into thread

2020-02-22

details
video thumbnail 23:44
Details in the process of making "blacker than vantablack" coatings (part 1?)

2020-01-21

details
video thumbnail 17:27
Make vacuum pre-loaded spherical air bearings without special tools

2019-12-22

details
video thumbnail 19:59
UV laser creates disappearing ink in normal printer paper

2019-08-05

details
video thumbnail 21:05
"Bouncy" sulfur hexafluoride gas in tennis balls?

2019-07-03

details 1080p
video thumbnail 27:58
Build an electroluminescent glass panel display -- an Apollo DSKY

2019-05-15

details
video thumbnail 23:26
High-resolution screen printing demystified

2019-01-21

details
video thumbnail 20:59
Behind the scenes at Applied Science: Why video? Camera gear. Shop tour.

2018-12-31

details
video thumbnail 27:46
Laser diode self-mixing: Range-finding and sub-micron vibration measurement

2018-12-09

details
video thumbnail 21:47
Electroluminescent paint and multi-channel control circuit

2018-11-21

details
video thumbnail 5:03
Vintage electrical tech - Weston Sensitrol Relay

2018-08-19

details
video thumbnail 12:02
Zeeman Effect - Control light with magnetic fields

2018-06-24

details
video thumbnail 15:02
3D print your brain, timelapse, high-res microfluidics, custom colors...

2018-05-26

details
video thumbnail 10:49
Glowing plasma created by a high speed jet of water

2018-04-01

details
video thumbnail 3:24
Flashing Light Prize 2018 - Sunscreen, UV, and neon

2018-01-28

details
video thumbnail 38:17
Glass engineering - designing and making photochromic glass

2017-11-25

details
video thumbnail 27:55
E-paper hacking: fastest possible refresh rate

2017-10-29

details
video thumbnail 10:33
World's smallest lightbulb flasher? Flashing Light Prize 2017

2017-07-01

details
video thumbnail 21:05
Waterjet cutter built with a cheap pressure washer

2017-05-29

details
video thumbnail 12:15
Tesla CAN bus data logging

2017-02-20

details
video thumbnail 16:41
Camera movement and dolly zoom with Chronos high-speed camera

2017-01-02

details
video thumbnail 10:52
"Bullet Time" with the Chronos high-speed camera

2016-11-26

details
video thumbnail 12:49
AM transmitter for antique radios and other project updates

2016-10-30

details
video thumbnail 7:51
A refrigerator that works by stretching rubber bands

2016-08-23

details
video thumbnail 9:18
Heat-sensitive 3D paper (swell paper)

2016-06-05

details
video thumbnail 16:50
Handheld CNC router repairs old CNC machine

2016-04-09

details
video thumbnail 3:05
Piezoelectric motor

2016-03-13

details
video thumbnail 19:33
Design and build a spin coater

2016-02-21

details
video thumbnail 16:48
Making DIY gecko tape - work in progress

2016-01-01

details
video thumbnail 8:38
Your toothbrush is worn-out!

2015-11-01

details
video thumbnail 8:51
Ruby laser (and other projects) follow-up

2015-10-18

details
video thumbnail 21:40
How to choose a cleaning solution

2015-10-04

details
video thumbnail 17:26
Electron microscope image capture via microcontroller (with drill bit animation)

2015-08-30

details
video thumbnail 9:50
Control light with heat and magnets (Magneto-optical Kerr effect)

2015-08-10

details
video thumbnail 9:52
Control light with magnets and olive oil?! (Faraday effect)

2015-07-26

details
video thumbnail 14:53
Liquid Nitrogen Generator - Overview

2015-07-20

details
video thumbnail 10:18
Tools and Tips #2 from Applied Science

2015-06-29

details
video thumbnail 7:35
The physics of floating screwdrivers

2015-05-25

details
video thumbnail 3:16
Shrinking paper money with ammonia

2015-05-06

details
video thumbnail 8:50
Extreme wood bending with ammonia

2015-04-27

details
video thumbnail 13:41
Distilling pure anhydrous ammonia

2015-04-19

details
video thumbnail 1:58
Magnetic Propulsion

2015-04-09

details
video thumbnail 9:22
How Digital Light Processing (DLP) works

2015-03-08

details
video thumbnail 22:08
Review of National Instruments VirtualBench

2015-02-22

details
video thumbnail 6:20
The science of wineglass tears (or wine legs)

2015-02-16

details
video thumbnail 12:03
Tools and Tips #1 from Applied Science

2015-02-08

details
video thumbnail 8:12
Covert radio pen with bone conduction speaker

2015-01-26

details
video thumbnail 10:05
How a horn amplifies sound (hint: Impedance matching)

2015-01-11

details
video thumbnail 3:33
Chocolate gun dispenses edible molten chocolate

2014-12-15

details
video thumbnail 15:14
Obeying the law (of physics)! Kinetic energy and momentum explained

2014-12-08

details
video thumbnail 6:30
Encode information in fire!

2014-12-01

details
video thumbnail 11:23
Ben answers your questions #1

2014-11-24

details
video thumbnail 1:29
Color-changing Zinc Oxide -- and submit your questions for Ben

2014-11-10

details
video thumbnail 6:17
How a Crookes radiometer works

2014-11-03

details
video thumbnail 3:29
Catalytic cigarette lighter

2014-10-28

details
video thumbnail 10:02
Tire sealant chemistry and tire pressure monitors

2014-10-20

details
video thumbnail 11:25
Car engine science: Ignition timing, emissions, mixture

2014-10-13

details
video thumbnail 3:55
High pressure gas cylinder transfer

2014-10-06

details
video thumbnail 8:47
Magnetic refrigeration: How does that work?!

2014-09-29

details
video thumbnail 4:43
Cryogenic machining: Custom rubber parts

2014-09-15

details
video thumbnail 9:59
Hydrogenation: transform liquid oil into solid fat

2014-08-25

details
video thumbnail 1:45
Liquid laughing gas supports combustion

2014-08-12

details
video thumbnail 8:19
How to chemically strengthen glass (eg Gorilla Glass)

2014-08-07

details
video thumbnail 11:05
Ultra low-temperature cascade refrigeration system repair

2014-07-26

details
video thumbnail 6:45
How to electropolish aluminum

2014-07-07

details
video thumbnail 5:46
Mathematical integration without calculus

2014-06-29

details
video thumbnail 7:44
Measure the mass of an eyelash with a DIY microbalance

2014-06-08

details
video thumbnail 7:56
Use an oscilloscope to collect optical spectral data

2014-06-02

details
video thumbnail 11:27
Measure car engine speed RPM via the cigarette lighter

2014-05-25

details
video thumbnail 2:00
Diffusion pump giveaway contest - ends May 31 2014

2014-05-10

details
video thumbnail 5:34
Unusual usage (hours) counter with mercury capillary

2014-05-02

details
video thumbnail 5:15
Trigger circuit for large xenon flash tubes

2014-04-29

details
video thumbnail 12:36
Electron beam control in a scanning electron microscope

2014-04-10

details
video thumbnail 7:15
Vacuum and pressure frying fruits and vegetables

2014-03-23

details
video thumbnail 7:46
How a Mass Flow Controller works

2014-03-09

details
video thumbnail 4:43
pH indicating soap bubbles (Ben Krasnow - new channel name!)

2014-03-03

details
video thumbnail 9:51
How a breathalyzer works (alcohol sensor)

2014-02-24

details
video thumbnail 9:22
Self-cleaning glass windows

2014-02-10

details
video thumbnail 2:49
Cookie Perfection Machine

2014-01-11

details
video thumbnail 14:42
Ruby laser design process

2014-01-06

details
video thumbnail 13:53
More info about sputtering: process parameters, chamber construction

2013-12-30

details
video thumbnail 6:27
Intro to plasma cleaning

2013-12-15

details
video thumbnail 5:20
Tongue mouse: Cursor control with your mouth!

2013-11-25

details
video thumbnail 6:39
Patterning aluminum with the photoresist "lift-off" method

2013-11-18

details
video thumbnail 6:48
Posture-based game controller

2013-11-17

details
video thumbnail 11:44
Intro to sputtering (process to create clear, conductive coatings)

2013-11-10

details
video thumbnail 6:44
Clear flexible printed circuits - first success

2013-10-21

details
video thumbnail 17:29
Intro to heat treatment of steel (hardening and tempering)

2013-10-14

details
video thumbnail 4:25
Detectron DG-2 geiger counter teardown and testing

2013-10-08

details
video thumbnail 13:44
Explanation of how kilowatt-hour meters work (electromechanical)

2013-10-06

details
video thumbnail 7:22
Custom supercritical CO2 chamber with easy-to-use lid clamp

2013-09-30

details
video thumbnail 8:38
Quartz crystal thickness monitor for vapor deposition in vacuum

2013-09-08

details
video thumbnail 5:53
Supercritical CO2 extraction of cinnamon, coffee, and vanilla with dry ice

2013-08-12

details
video thumbnail 11:13
Making patterned mirrors and ITO glass with a thermal evaporator

2013-08-05

details
video thumbnail 4:44
Photomicrography (microphotography, macro), focus stacking

2013-07-28

details
video thumbnail 8:10
Optical finish for acrylic -- vapor polishing and other techniques

2013-07-21

details
video thumbnail 5:55
Glue chipped glass - first attempt

2013-07-15

details
video thumbnail 5:29
Progress on vacuum chamber build - helium leak detection, custom flanges

2013-07-08

details
video thumbnail 6:46
Thermocouple vacuum gauge teardown and explanation

2013-06-30

details
video thumbnail 28:28
Milling machine tutorial - cutter selection, speeds and feeds, coolant, high speed machining

2013-06-24

details
video thumbnail 4:09
New high vacuum system

2013-06-10

details
video thumbnail 4:40
Water circulator with temperature control

2013-06-03

details
video thumbnail 10:31
Intro to DIY Raman Spectroscopy

2013-05-27

details
video thumbnail 1:15
Fun with applied science

2013-05-25

details
video thumbnail 4:37
Cookie Machine Project Update 3

2013-04-29

details
video thumbnail 6:10
Cookie Machine Project Update 2

2013-04-22

details
video thumbnail 6:46
Cookie Machine project update

2013-04-15

details
video thumbnail 2:20
Bubble tube lamps - explanation and construction

2013-04-10

details
video thumbnail 5:14
Two laps at 24 Hours of Lemons (Sears Pointless 2013)

2013-03-30

details
video thumbnail 8:36
Cookie perfection machine - butter dispenser

2013-03-04

details
video thumbnail 11:59
Hacking a milligram balance (scale) with a Parallax Propeller microcontroller

2013-02-25

details
video thumbnail 4:41
Cleaning a high-vacuum Penning gauge (cold cathode vacuum gauge)

2013-02-11

details
video thumbnail 1:04
Timelapse macro video of crystal growth

2013-01-20

details
video thumbnail 1:23
Timelapse video of crystal growth in novelty toy

2013-01-14

details
video thumbnail 6:35
DIY X-ray CT scanner controlled by an Arduino

2013-01-08

details
video thumbnail 4:56
Jukebox color wheel synchronizer

2012-12-10

details
video thumbnail 6:12
DIY X-ray backscatter imaging system (airport body scanner)

2012-11-26

details
video thumbnail 13:32
Intro to Fourier Optics and the 4F correlator

2012-11-12

details
video thumbnail 4:34
Large area detector for X-rays

2012-11-04

details
video thumbnail 8:54
Reverse-engineering and testing an x-ray filament supply

2012-10-29

details
video thumbnail 6:04
Turning a laminated wooden vase on the lathe

2012-10-15

details
video thumbnail 6:47
Measuring the voltage, current, and light output of a strobe flash lamp (Speedotron 4803)

2012-10-08

details
video thumbnail 5:14
Hybrid rocket engine with acrylic and gaseous oxygen

2012-09-24

details
video thumbnail 4:49
Viewing an active electronic circuit with a scanning electron microscope

2012-09-03

details
video thumbnail 2:38
First test with eBay x-ray tube

2012-09-02

details
video thumbnail 8:31
First test with 4.8KJ xenon flash lamp (Speedotron 4803 strobe light)

2012-08-20

details
video thumbnail 4:43
Decapping ICs (removing epoxy packaging from chips to expose the dies)

2012-08-13

details
video thumbnail 16:27
Tour of Ben's shop 2012

2012-08-06

details
video thumbnail 5:15
Molecular gastronomy (playing with food): "reverse" spherification maraschino cherries

2012-07-16

details
video thumbnail 4:55
Follow-up: Attempting to make X-rays by unrolling Scotch tape -- Success?

2012-07-09

details
video thumbnail 4:34
Attempting to make X-rays by unrolling Scotch tape (negative result)

2012-07-09

details
video thumbnail 10:09
Measuring the voltage and current of a microwave oven magnetron

2012-06-25

details
video thumbnail 7:19
Frying a potato chip in Fluorinert FC-40

2012-06-25

details
video thumbnail 7:34
Liquid level sensor and controller (auto top-off for aquarium)

2012-06-11

details
video thumbnail 3:18
Avocado vs high pressure nitrous oxide

2012-05-21

details
video thumbnail 4:34
Whipped chocolate made with high pressure nitrous oxide

2012-05-07

details
video thumbnail 2:19
Dissolving lithium in anhydrous ammonia

2012-04-30

details
video thumbnail 5:24
Lithium sheet metal and zirconium powder

2012-04-15

details
video thumbnail 9:21
Making Pop Rocks candy at home

2012-04-10

details
video thumbnail 2:15
Power strip failure analysis

2012-04-09

details
video thumbnail 10:09
How a liquid lens works (electrowetting)

2012-02-27

details
video thumbnail 2:40
Projector HID arc light mounted into a desk lamp

2012-02-12

details
video thumbnail 7:20
Freeze-drying Jello gelatin with an improved cold trap

2012-01-28

details
video thumbnail 1:21
Yeast cells under the microscope

2012-01-25

details
video thumbnail 8:29
Creating aerogel with supercritical methanol

2012-01-22

details
video thumbnail 10:30
Making astronaut ice cream in my home shop

2012-01-12

details
video thumbnail 6:14
Extracting caffeine with methylene chloride

2012-01-08

details
video thumbnail 10:09
Caffeine extraction from green coffee with supercritical CO2

2011-12-31

details
video thumbnail 6:57
LED mounted in a contact lens for possible virtual / augmented reality displays

2011-12-19

details
video thumbnail 20:13
Tutorial: Op-amp circuit for force sensor signal conditioning

2011-12-09

details
video thumbnail 3:13
Trying to visualize beta particles in supercritical CO2 (still no success)

2011-12-07

details
video thumbnail 7:17
Laser microphone for audio surveillance via window panes

2011-11-24

details
video thumbnail 10:01
Making silica aerogel at home

2011-11-13

details
video thumbnail 1:52
Carbonated fruit: apple slices

2011-11-11

details
video thumbnail 2:45
Supercritical CO2 does not help visualize ionizing alpha particles

2011-11-06

details
video thumbnail 3:12
Supercritical drying chamber for aerogel production

2011-10-28

details
video thumbnail 6:34
Experimenting with a liquid lens and driver IC

2011-10-21

details
video thumbnail 7:40
Microstepping a stepper motor with the SLA7062

2011-10-18

details
video thumbnail 14:05
How to TIG weld aluminum beverage cans together

2011-10-04

details
video thumbnail 1:36
Effect of long-term high pressure CO2 on acrylic

2011-10-01

details
video thumbnail 5:28
Supercritical CO2 caffeine extraction (negative result -- more work needed)

2011-09-19

details
video thumbnail 6:21
Argon beer, an alternative to the usual CO2 carbonation

2011-09-08

details
video thumbnail 1:28
Magnesium burning inside dry ice

2011-09-03

details
video thumbnail 7:58
A close look at supercritical carbon dioxide CO2

2011-09-03

details
video thumbnail 16:05
Getting started with the Altera DE1 FPGA board: Create and download a simple counter

2011-08-25

details
video thumbnail 4:39
CNC milling glass plates and mirrors

2011-08-22

details
video thumbnail 1:52
Effect of acetone vapor on thermal printer paper

2011-08-20

details
video thumbnail 4:23
Water vortex display from SJ City Hall exhibition -- repair and upgrade

2011-08-13

details
video thumbnail 2:43
Repairing the 5V output from a Mastech HY3005D-3 (cheap import) power supply

2011-08-10

details
video thumbnail 3:35
Transcranial Magnetic Stimulation project - part 2

2011-08-07

details
video thumbnail 2:29
Cooking with thermite

2011-08-03

details
video thumbnail 7:30
Frequency response test for thermal imaging sensor

2011-07-24

details
video thumbnail 11:40
Product Review: CP06 low-cost AC/DC clamp-on current probe

2011-07-18

details
video thumbnail 6:01
Transcranial Magnetic Stimulation project - part 1

2011-07-16

details
video thumbnail 2:57
Automatic cat feeder with stepper motor and ATMega AVR

2011-07-03

details
video thumbnail 10:15
Extech IR250 infrared thermometer disassembly and plans for thermal imaging

2011-06-24

details
video thumbnail 2:25
What should I build with six ultracapacitors?

2011-06-19

details
video thumbnail 2:55
Lavalier microphone comparison: Audio-Technica ATR-3350 vs Sony ECM-55B

2011-06-19

details
video thumbnail 9:52
DIY Scanning Electron Microscope - Operation procedure

2011-05-31

details
video thumbnail 15:26
Product Review: Grizzly 4003G metal gunsmith lathe

2011-05-30

details
video thumbnail 10:08
Shop lighting upgrade: T5 vs T8 fluorescent vs LED

2011-05-27

details
video thumbnail 2:06
Interactive model of a 3D printer for teaching

2011-05-18

details
video thumbnail 7:00
Piezoelectric Braille system with PC parallel port control and HV transistors

2011-04-25

details
video thumbnail 14:31
DIY Scanning Electron Microscope - Electron Gun Detail

2011-04-16

details
video thumbnail 3:12
Fiberoptic mouse with quadrature encoders and custom shutter buttons

2011-04-14

details
video thumbnail 4:26
DIY Scanning Electron Microscope - Tektronix contest entry

2011-04-12

details
video thumbnail 11:39
DIY Scanning Electron Microscope - Sources, Costs and References

2011-03-26

details
video thumbnail 14:57
DIY Scanning Electron Microscope - Overview

2011-03-21

details
video thumbnail 10:11
Tutorial: How to build an air muscle and use it in a force-feedback joystick

2011-02-17

details
video thumbnail 12:13
Cathode ray tube disassembly and explanation

2011-01-27

details
video thumbnail 9:11
Fiberoptic joystick with quadrature encoders and arduino

2010-12-19

details
video thumbnail 6:10
DIY flex sensor gloves for possible VR or video game control

2010-12-11

details
video thumbnail 1:53
Quick Tip: Tapping holes in plastic

2010-10-28

details
video thumbnail 7:41
1000W xenon arc lamp built into DIY searchlight housing

2010-10-13

details
video thumbnail 4:29
Low-cost DIY thermal imaging - liquid crystal paint testing

2010-10-07

details
video thumbnail 6:55
Remote electronic focus for telescope (DIY remote follow focus)

2010-09-13

details
video thumbnail 7:07
Web-controlled watering can with siteplayer and arduino

2010-09-05

details
video thumbnail 5:25
Universal motor speed control by a microcontroller (arduino)

2010-08-29

details
video thumbnail 13:30
How to make fondant cakes - complete tutorial -Part 2

2010-08-16

details
video thumbnail 6:43
How to make fondant cakes - complete tutorial -Part 3

2010-08-15

details
video thumbnail 7:26
How to make fondant cakes - complete tutorial - Part 1

2010-08-15

details
video thumbnail 5:30
Speaker repair - replacing the foam surround

2010-04-18

details
video thumbnail 6:50
Etching Acetal (Delrin) plastic in preparation for painting, gluing, etc

2010-04-15

details
video thumbnail 4:13
First test run of 1000W Osram Xenon short arc lamp XBO

2010-04-02

details
video thumbnail 2:15
GH1 with macro lens -- bees and other garden sights

2010-03-14

details
video thumbnail 5:15
Heartbreaker medly

2010-03-08

details
video thumbnail 1:15
Improved Lumix GH1 test 720p60 reef aquarium

2010-02-25

details
video thumbnail 1:54
Volume Control

2009-12-08

details