Ironing is the use of a heated tool (an iron) to remove wrinkles from clothes. The heating is commonly done to a temperature of 180–220 °Celsius, depending on the fabric.…
December 29, 2020
December 28, 2020
Why do we see flashes of lightning before thunders?
FLASH! (Wait for it) Craack! A big sound of thunder and a spark of lightning!! Every second, about 100 lightning bolts strike the Earth. Lightning is a gigantic electrical spark,…
December 28, 2020
How do Solar panels work?
Solar panels are made of photovoltaic cells (that is why generating electricity with solar panels is also called solar PV) that convert the sun’s energy into electricity. Photovoltaic cells are sandwiched between layers…
December 4, 2020
Why the ISRO made Pragyan Rover can function only for 14 days
Pragyan was the rover of Chandrayaan-2, a lunar mission developed by the Indian Space Research Organisation (ISRO), launched in July 2019. Pragyan was destroyed along with its lander, Vikram, when it crash-landed on the…
December 4, 2020
Emulsions: Magical Mixtures of oil and water?
An emulsifier is the best mixing element that allows oil and water to mix. Detergent is one of the reference examples of emulsions. Mixing Oil and Water Do you know…
December 4, 2020
Which is heavier 1kg of iron or 1kg of cotton?
Which is heavier, 1 kg of iron or 1 kg of cotton? If you are one of the 50% of the people who answered this question. I would say 1…
November 4, 2020
How does Ceiling Fan work?
Many things add comfort to our lives. One example of such things is Fan. From Handheld to Electric fans and Air conditioners, we have lined up a wide variety of…
October 4, 2020
Evolution of Light Bulb
LED which stands for Light Emitting Diode is a special type of diode that emits light when an electric current is passed through it. How Do LED Bulbs Work? The “light-emitting”…