HOW TO MAKE A TOY PHONE
What you need: 2 plastic cups A thread roll A match stick A compass A pair of scissors Submitted by Khushant Kumar Gola
Drinking Straw Hydrometer
Drinking straw hydrometer
Take a drinking straw about 20 cm long. Seal one end with wax, and introduce some lead shot or fine sand until it floats in a vertical position. Then drop…
Mystic Roller- a test for Newton’s laws
Materials required: A Cylindrical Plastic Jar Rubber band A Heavy Nut Thread Wire steel or copper Pliar scissors A nail to make holes Video|Step 20 : Now we are done,…
Reading resistor color codes
Electronic color code How to read electronic color codes written on resistors The electronic code is employed to point the values or ratings of electronic elements, like resistors, capacitors, inductors,…
Reading Capacitor Codes
Reading Capacitor codes Let's learn about reading capacitor codes! Units of Capacitance: The base unit of capacitance is the farad (F). This value is very large for ordinary circuits, so smaller…
How to make an Android app
How to make an Android app Android app development is done by many IDEs but nowadays it is mainly done in Android Studio based on IntelliJ IDEA. You can download…
Surface Tension Powered Boat
Materials required: Hard plastic Sheet like mobile sim extra partCamphorMarkerScaleA round dinner platePaperScissors https://www.youtube.com/watch?v=ZjPM0ELZ-Zo&feature=emb_title Fig.1| Take some plastic sheet or card, for example, mobile sim remaining part. Fig.2| Using permanent…
Earthquake detector
Materials required A NutSteel WireCopper WireThree Wood piecesOne battery 9 voltLed bulb redCardboardConnecting WiresSmall size nailsBuzzerSwitch Slider typeSolderingTape https://www.youtube.com/watch?v=1LVTY1f-oOM&feature=emb_title Video 1| Working model of Earthquake Detector. https://www.youtube.com/watch?v=6LteDMssq4Q&feature=emb_title Video 2| Works…