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  • DIY OHM-METER & VERIFYING WHEATSTONE BRIDGE CONDITION

    aabhas
    aabhas
    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...
    • 15 Sep 2020
  • Radioactivity fun!

    neuromodulator
    neuromodulator
    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...
    • 15 Sep 2020
  • Voltage Drop Bonus Content

    kmikemoo
    kmikemoo
    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...
    • 14 Sep 2020
  • Laser Microscope Experiment

    vishwasn
    vishwasn
    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...
    • 14 Sep 2020
  • Where Did My Volts Go?

    kmikemoo
    kmikemoo
    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...
    • 14 Sep 2020
  • Fire Extinguisher Car

    harjinagi
    harjinagi
    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...
    • 11 Sep 2020
  • The Planck Constant and the Relationship of Frequency to Photon Energy

    fmilburn
    fmilburn
    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...
    • 5 Sep 2020
  • TempMeter#2 : Improved Accuracy by Using a Laser Poiter

    dubbie
    dubbie
    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 : ...
    • 19 Aug 2020
  • Calorie Meter and Activity Tracker

    harjinagi
    harjinagi
    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...
    • 10 Aug 2020
  • TempMeter : Measuring Temperature with a Brass Rod

    dubbie
    dubbie
    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...
    • 7 Aug 2020
  • The Fast Chain Problem - Arduino Laser Gates

    milosrasic98
    milosrasic98
    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...
    • 2 Aug 2020
  • Measuring the speed of sound

    kk99
    kk99
    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...
    • 2 Aug 2020
  • Voltmeter 4*Reading

    harjinagi
    harjinagi
    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...
    • 31 Jul 2020
  • Electric Hula Hoop

    dougw
    dougw
    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...
    • 30 Jul 2020
  • Experimenting with AC Current Sensing

    jw0752
    jw0752
    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...
    • 18 Jul 2020
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