Create STEM

                                                Hand Battery : Harnessing electricity  Well !! You 👉👉 are also a battery !! A human powered one !! 😀😀😀Lets check this out. Item list   2 x cardboard covers  Copper plate   Aluminium foil  2 x jumper wires   A few paper clips   Multimeter  Procedure. Mount the copper plate on one of the cardboard covers and cover other cardboard cover with Aluminium foil.  Connect the two above prepared  plates to the multimeter test probes using the jumper wires. Set the multimeter to  the 200 milliampere setting.  Place one hand on each plate and observe the readings. If negative current is shown in the.meter, then simply reverse the connections of  the multimeter probes. You can even wet your hands with water (or sanitizer works the best) to make ...

   HARNESSING ELECTRICITY TO COMMUNICATE - MORSE CODE Morse code  is based on name of its inventor Samuel Morse and was used first in 1844. For well over 100 years it was extensively used for communication including during the World War 1 and World War 2. UNDERSTANDING MORSE CODE Here is a video to understand the Morse Code and you can also try a few android apps to get the hang of Morse Code STARTING THE PROJECT An excellent resource to understand the Morse Code  and execute this project of harnessing electricity to communicate is via the Microsoft Education Workshop site     https://www.microsoft.com/en-us/education/education-workshop/telegraph.aspx Collecting materials for the project was super cool. It's mostly available online via Amazon or other web portals. A simple Google search and would suffice. I used an Arduino Uno micro controller for the project but you can use a Microbit micro controller also. PROCESS Lets get started.....first...

Have you ever wondered how fast does light travel ? We can measure the speed of light in our home using just our home appliances through a simple(and tasty !!) activity. Item List For this you will be needing: 1. A microwave  2. A bar of chocolate ( eggs work too!!) 3. A ruler  4. and a calculator. Principle A Microwave oven as the name suggests uses microwaves to heat our food. These microwaves are a part of the Electro-Magnetic spectrum and lie between Radio Waves and Infrared Waves.     The interesting part is that these micro waves travel at the same speed as that of light. Viola! Calculating the speed of these micro waves would give us the speed of light. Now thankfully we have a handy equation to calculate this :-        Speed of Microwaves (Light) = Wavelength (  λ)   x  Frequency (  ν )          Experiment Frequency - You may find this at the back of your microwave (usually 2450 MHz) o...