How to Find Windows 10 or Windows 11 Product Key
How to Find Windows 10 or Windows 11 Product Key A Windows product key is a 25-character code, which is required if you want to reinstall w...
How is Blood Pressure measured?
The most common method for measuring blood pressure uses a sphygmomanometer – an inflatable armband with a pressure gauge and hand pump. The...
Which City lies on two Continents?
Istanbul, the city that lies on two continents. Istanbul, the largest city in Turkey and the fifth-largest city in the world by population, ...
What is Fax Machine? How does it work?
Short for facsimile machine, a device that can send or receive pictures and text over a telephone line. Fax machines work by digitizing an i...
Why do they fill Airplane tires with Nitrogen?
Aircraft tires are filled with nitrogen because nitrogen gas is mostly inert, meaning that it requires more energy to react with other subst...
What is Chemical Weapon?
A chemical weapon (CW) is a specialized munition that uses chemicals formulated to inflict death or harm on humans. Nerve gas, tear gas and ...
Red Lights Around the CCTV Camera
What are the small red lights around the CCTV cameras? CCTV stands for Closed-Circuit Television . These are used for video surveil...
Doctor Rub Arm before Injecting a Syringe
Why Doctor Rub Someone's Arm before Injecting a Syringe? It's isopropyl alcohol applied with some sort of cotton swab. They...
Dogs Pant During Summer - गर्मियों के दौरान कुत्ते हाँफते क्यों हैं
Why Dogs pant during hot summer days? Dogs, unlike humans do not have sweat glands or any other mechanisms to reduce the body te...
Antiseptics Sting When Put on Cuts
Why Do Antiseptics Sting When Put on Cuts? The answer has to do with ethanol and hydrogen peroxide , which are often ingredients in...
Clapperboard - What are clapperboard?
Clapperboard Clapperboard What is Clapper Board? A clapperboard is a device used in filmmaking and video production to a...
Why are there gaps between Bridge segments?
These gaps in the bridges are known as expansion joints. Expansion joints are basically gaps in the bridge that allow the bridge to ex...
Why are overhead Transmission Lines not insulated?
Why are overhead Transmission Lines not insulated? The conductor used in overhead transmission and distribution line is called ACSR...
What are Dampers? What is the purpose of Damper in Overhead Transmission wires?
Dampers used in transmission lines for avoiding oscillations in overhead transmission lines. Due to laminar wind, overhead transmissio...
Science of Electoral Ink
Sometimes seeing the stains of Electoral Ink made us surprise.....it surprised me as well, it made me think of the science behind it. ...
Uluru Rocks
Why Uluru Rocks changes its colour? Uluru Rock is a large sandstone rock formation located in Northern part of the Australia within...
How does Wireless Charger work?
Wireless charging works by transferring energy from the charger to a receiver in the back of the phone via electromagnetic induction. The ch...
Why is Octopus Blood Blue?
Hemocyanin, is responsible for keeping the species alive at extreme temperatures. Hemocyanin is a blood-borne protein containing cop...
The Lotus Effect
The Lotus effect refers to self cleaning properties that are a result of ultrahydrophobicity as exhibited by the leaves of lotus ...
Most Expensive Liquid
Which is most Expensive liquid in world? Scorpion Venom is the most expensive liquid on earth at approx $39 million per gallon. S...