Jeri Ellsworth - Channel

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Jeri Ellsworth

Jeri Ellsworth documents her amateur science experiments.

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125 videos

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Let's Port Centipede to Tilt Five - Part 2

5.5K views
2 years ago

Let's Port Centipede to Tilt Five - Part 1

7.2K views
2 years ago

Let's Make a Tilt Five Game - Part 7

1.7K views
2 years ago

Let's Make a Tilt Five Game - Part 6

1.8K views
2 years ago

Let's Make a Tilt Five Game - Part 5

1.8K views
2 years ago

Let's Make a Tilt Five Game - Part 4

1.7K views
2 years ago

Let's Make a Tilt Five Game - Part 3

2K views
2 years ago

Let's Make a Tilt Five Game - Part 2

2.9K views
2 years ago

Let's Make a Tilt Five Game - Part 1

5.9K views
2 years ago

Mr. Cook for Ms. Ellsworth - Part 2

20K views
2 years ago

Mr. Cook for Ms. Ellsworth - Part 1

20K views
2 years ago

Youth On The Air 2021

42K views
4 years ago

Ham Radio at Maker Faire 2019

28K views
6 years ago

Low Cost Reverse Polarity and Over Current Protection (Corrected)

138K views
7 years ago

Polarization Conversion Systems

34K views
7 years ago

Magnetic Loop Antenna Current and Voltage Distribution

175K views
7 years ago

Build a 160/80 Meter Magnetic Loop Antenna - Part 1

341K views
8 years ago

Museum of Radio and Technology Part 4 - Record Players and Hi-Fi

12K views
8 years ago

Museum of Radio and Technology Part 3 - Televsion

10K views
8 years ago

Museum of Radio and Technology Part 2 - Education

12K views
8 years ago

Museum of Radio and Technology Part 1 - Radios

35K views
8 years ago

Magnetic Logic - Forgotten Technology

466K views
13 years ago

Scanning Electron Microscope - Zoom, Enhance, Rotate

73K views
13 years ago

Static Vs Dynamic Flip Flops - Race Against the Clock

46K views
13 years ago

Wien Bridge Oscillator - Don't Use Lame Parts

241K views
13 years ago

One Bit ADC - Short Circuits

84K views
13 years ago

Resistive Multi-touch Pad Prototype

26K views
13 years ago

C64 Bass Guitar - Cool to be Square Wave?

1.2M views
13 years ago

Exploring Lava Flows in Hawaii

6.1M views
13 years ago

Pinball and Arcade Auto Power Management - Save Power, Lamps and Monitors

28K views
13 years ago

Continuous Variable Slope Delta Modulator - HC55564

35K views
14 years ago

Solenoid Basics

773K views
14 years ago

Seat, Steering and Window Post - Building a Pure Stock Race Car

64K views
14 years ago

Drivers Compartment Lower X Brace - Building a Pure Stock Race Car

22K views
14 years ago

Rear Frame Rail and Front Bracing - Building a Pure Stock Race Car

83K views
14 years ago

DSP/Software Radios - You Only Live Nine Times

63K views
14 years ago

Light Emitting Dress with Motion Detector

54K views
14 years ago

Power Supply Debugging Tool

16K views
14 years ago

The Brain Bulb - I've Got an Idea!

28K views
14 years ago

Minimal Solar Night Light Circuit

102K views
14 years ago

555 Contest Winners Announcement - Recorded Live

33K views
14 years ago

Battery Monitor Prototype

2.7K views
14 years ago

Energy Harvesting - Is It For Fools?

27K views
14 years ago

Energy Harvesting Project Status Update

7.9K views
14 years ago

Capacitors - A to Z of Electronics

88K views
15 years ago

The PIR Sensor - Motion Activated Art

46K views
15 years ago

Batteries - A to Z of Electronics

69K views
15 years ago

Ampere - A to Z of Electronics

91K views
15 years ago

Secret to Learning Electronics - Fail and Fail Often

537K views
15 years ago

Practical uses of Quenching in Phosphors

12K views
15 years ago

Darlington Learns about Electrophorus

17K views
15 years ago

DIY Body Scanner Electronics

78K views
15 years ago

Microwave Handy Scanner - TSA Body Imaging at Home

413K views
15 years ago

Build a Radar from Satellite Dish Parts - Speed Radar Basics

191K views
15 years ago

Making an OLED - Light from Carbon Compounds

109K views
15 years ago

Flexible Aluminum Electroluminescent Display - No Transparent Conductor Needed

66K views
15 years ago

Make a Point Contact Transistor at home

83K views
15 years ago

Phase Shift Oscillator - Short Circuits

47K views
15 years ago

Fun Properties of Holograms - Projecting 3d Images

44K views
15 years ago

Laser Cutter Gas Containment Chamber - Don't Damage that Laser

24K views
15 years ago

I Really Do Know How To Build Race Cars - Don't Make Me Pull Out the Trophies

52K views
15 years ago

Passenger Side Bracing - Building a Pure Stock Race Car

61K views
15 years ago

Halo and Window Post Installation - Building a Pure Stock Race Car

49K views
15 years ago

Installing Door Bars (sissy bars) - Building a Pure Stock Race Car

91K views
15 years ago

Roll Bar Installation - Building a Pure Stock Race Car

308K views
15 years ago

Make Electroluminescent (EL) Ink at Home - Re-doping Glow Powder

85K views
15 years ago

How to Make Glow Powder with Household Chemicals

96K views
15 years ago

Greenhouse Gas Detection Part 2 of 2

6.7K views
15 years ago

Greenhouse Gas Detection Part 1 of 2

5.8K views
15 years ago

Tying Subframes Together - Building a Pure Stock Race Car

105K views
15 years ago

Front Frame Horn Brace - Building a Pure Stock Race Car

131K views
15 years ago

Jeri Cuts a Fuel Line

19K views
15 years ago

EL Power Supplies - Step-up to the Tickler

80K views
15 years ago

Printed Circuit Board EL Display - Lets Make Retro Hand Held Games

41K views
15 years ago

Making EL Wire Step by Step - Twist and Shout

99K views
15 years ago

EL Wire Made at Home - The Currency of Burning Man

149K views
15 years ago

EL Displays - The Stack Up

12K views
15 years ago

Twilight Zone Pinball Upper Playfield Mod - $5 Blinky LEDs

8.6K views
15 years ago

Play with my Giant Joystick - The Pacinator

26K views
15 years ago

Triboluminescence - Batteries, Glow Paint and Flames

38K views
15 years ago

Glow Paint Electroluminescences

31K views
15 years ago

Pinball Plastic Repair - Good Luck Opening Blister Packs

9.2K views
15 years ago

Programmable Delay Timer 74hc5555 - More Fives the Better

14K views
15 years ago

Cleaving Silicon Wafers - Home Chip Lab

76K views
15 years ago

Reverse Engineering Camcorder Viewfinders - Mini CRT's

44K views
15 years ago

Direct Digital Synthesis (DDS) - Short Circuits

33K views
15 years ago

DIY Liquid Nitrogen for Less Than $500 - Ben Krasnow

123K views
15 years ago

Eric Schlaepfer Clocks - Nixie, Incandescent and CRTs

8K views
15 years ago

Safe HF Etching at Home with an Etch Chamber

58K views
15 years ago

Homemade Transistor Demonstration

149K views
15 years ago

Homebrew NMOS Transistor Step by Step - So Easy Even Jeri Can Do It

181K views
15 years ago

Hombrew NMOS FET Substrate Contacts using Conductive Epoxy

28K views
15 years ago

Hall Effect Sensors - Magnetic Mirrors - Pinball Bumpers

4.6K views
15 years ago

Debugging Bus Contention - Electronics Repair Techniques

7K views
16 years ago

Improved LED Pinball Lamp Replacement

10K views
16 years ago

Pinball Playfield Restoration Basics

141K views
16 years ago

Removing Playfield Mylar

7.2K views
16 years ago

Star Trek Next Generation Pinball Modifications - Trouble with Tribbles

20K views
16 years ago

Lightning Flipper Paint Job - Pinball

5.4K views
16 years ago

Inside a Pinball Machine Cabinet - Tour of the Electronics of an Electromechanical Pinball

17K views
16 years ago

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