Blog

DIY OHM-METER & VERIFYING WHEATSTONE BRIDGE CONDITION

aabhas — Tue, 15 Sep 2020 06:47:08 GMT

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...(read more)

Radioactivity fun!

neuromodulator — Tue, 15 Sep 2020 04:32:48 GMT

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...(read more)

Voltage Drop Bonus Content

kmikemoo — Mon, 14 Sep 2020 21:05:27 GMT

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...(read more)

Laser Microscope Experiment

vishwasn — Mon, 14 Sep 2020 07:49:31 GMT

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll LASER stands for Light Amplification by Stim...(read more)

Where Did My Volts Go?

kmikemoo — Mon, 14 Sep 2020 02:34:00 GMT

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...(read more)

Fire Extinguisher Car

harjinagi — Fri, 11 Sep 2020 13:45:57 GMT

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll Hello Everyone,My name is Harji Nagi.I am cu...(read more)

The Planck Constant and the Relationship of Frequency to Photon Energy

fmilburn — Sat, 05 Sep 2020 22:10:00 GMT

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...(read more)

TempMeter#2 : Improved Accuracy by Using a Laser Poiter

dubbie — Wed, 19 Aug 2020 16:06:33 GMT

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll Although my original Tempmeter (TempMeter : ...(read more)

Calorie Meter and Activity Tracker

harjinagi — Mon, 10 Aug 2020 20:43:45 GMT

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll Hello Everyone,My name is Harji Nagi.I...(read more)

TempMeter : Measuring Temperature with a Brass Rod

dubbie — Fri, 07 Aug 2020 13:53:46 GMT

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll For the Proving Science Project14 activity I...(read more)

The Fast Chain Problem - Arduino Laser Gates

milosrasic98 — Sun, 02 Aug 2020 20:51:00 GMT

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...(read more)

Measuring the speed of sound

kk99 — Sun, 02 Aug 2020 13:29:00 GMT

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...(read more)

Voltmeter 4*Reading

harjinagi — Fri, 31 Jul 2020 21:29:42 GMT

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll I made a dc voltmeter which displays four di...(read more)

Electric Hula Hoop

dougw — Thu, 30 Jul 2020 05:45:00 GMT

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...(read more)

Experimenting with AC Current Sensing

jw0752 — Sat, 18 Jul 2020 21:35:00 GMT

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...(read more)