IntroductionIn Engineering resistors one of the very common and one of the most essential components which are very widely used. The resistances of through-hole resistors can be calculated using colour code, while for other components and SMT compone...

Introduction The Geiger counter setup Background radiation Radiation distance Radiation blocking Final words Introduction Radioactive decay is the process where unstable atoms lose energy through emission of ionizing radiation in the...

This blog is not an entry for the Proving Science challenge - but it does demonstrate Ohm's Law in action.  Proving Science seems like the best place to put it. E=IR     In a different blog, I added extension cords t...

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an EntrySubmit an Entry  Back to homepage Project14 HomeMonthly ThemesMonthly Theme Poll LASER stands for Light Amplification by Stim...

What's not to love about seeing science in action?  We can't always see the actual event but we can see the results.  In troubleshooting, I call them symptoms, because the event we can measure or observe isn't the root cause.   I also...

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an EntrySubmit an Entry  Back to homepage Project14 HomeMonthly ThemesMonthly Theme Poll Hello Everyone,My name is Harji Nagi.I am cu...

The Planck Constant and the Relationship of Frequency to Photon Energy by Frank Milburn   I have revisited a subject I first explored in 2017 using LEDs to determine the value of the Planck constant.  The method used is one that seems to b...

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an EntrySubmit an Entry  Back to homepage Project14 HomeMonthly ThemesMonthly Theme Poll Although my original Tempmeter (TempMeter : ...

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an EntrySubmit an Entry  Back to homepage Project14 HomeMonthly ThemesMonthly Theme Poll Hello  Everyone,My name is Harji Nagi.I...

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an EntrySubmit an Entry  Back to homepage Project14 HomeMonthly ThemesMonthly Theme Poll For the Proving Science Project14 activity I...

THE FAST CHAIN PROBLEM - ARDUINO LASER GATES 1. Introduction Story What is IYPT? 2. Problem 3. Theory 4. Experiment Idea Build Software 5. Tests 6. Results & Analysis 7. Upgrade Ideas 8. Summary   1. Introduction   &nb...

Basic concept is to measure the speed of the sound using echoes and with the microphone build in notebook.   Apparatus and materials: 1. Notebook or device with microphone, 2. Sound editor e.g. Audacity 3. Paper or other material tube with kno...

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an EntrySubmit an Entry  Back to homepage Project14 HomeMonthly ThemesMonthly Theme Poll I made a dc voltmeter which displays four di...

The Problem How can we make a hula hoop automatically go up a straight vertical pole? The problem sounds simple, people have been playing with hula hoops for many decades making them go up and down their bodies. However, when it is a straight vertic...

After watching James Lewis' Work Bench Wednesday presentation a couple weeks ago on Clamp Meters and sensing current   Workbench Wednesday 24: No-Contact Current Measurements   and reading some of the comments I decided that it would be f...