Energy
Induction vs Gas Stove: Which Is Really Cheaper to Cook With?
Electricity per unit sounds cheap, an LPG cylinder sounds expensive, and everyone has an opinion about which is better for the monthly budge...
Energy
Construction
How to Keep Your Home Cool in a Heatwave: 12 Engineering Tricks That Actually Work
Extreme heat has become one of the most searched topics in India, and heatwaves now regularly hit Europe and North America too. Air conditio...
Construction
Why Proper Earthing Matters at Home, and How to Check Yours
Earthing is the hidden safety system of every building. You never see it working, but when an appliance develops a fault, it is the earth co...
Construction
MCB vs RCCB vs RCBO: Which One Protects You From What?
Open the distribution board in any modern home and you will see a row of switches with labels like MCB, RCCB or RCBO. They are not interchan...
Energy
Home EV Charger Installation Guide: Power Ratings, Wiring, Safety and Costs
If you buy an electric car, home charging is where you save the most money and time. Installing a charger properly, however, is an electrica...
Energy
Solid-State Batteries: What They Are and Why Phones and EVs Are Waiting for Them
Carmakers and electronics companies keep announcing breakthroughs in solid-state batteries. They promise longer range, faster charging and b...
Energy
Small Modular Reactors (SMRs) Explained: The Mini Nuclear Plants Everyone Is Talking About
Governments and tech companies around the world are betting on small modular reactors to supply clean, round-the-clock electricity. The Unit...
AI
How Much Electricity and Water Does AI Use? Inside the Data Centres Powering Chatbots
Every chatbot answer, AI image and video recommendation runs on servers in a data centre somewhere. As AI use has exploded, so has demand fo...
Energy
Heat Pumps Explained: How They Heat and Cool Homes Using 3 to 4 Times Less Energy
Heat pumps are replacing gas boilers in the UK and Europe and are increasingly common across the United States. In India, every air conditio...
Energy
How to Cut Your Electricity Bill: An Engineer's Appliance-by-Appliance Guide
Most households try to save electricity by switching off lights. Lights are rarely the problem. A few heavy appliances, often an air conditi...
Energy
How Lithium-Ion Batteries Work, and 7 Habits That Make Your Phone Battery Last Longer
The same basic battery technology powers your phone, laptop, electric scooter and electric car. Understanding what happens inside a lithium-...
Energy
EV vs Petrol in India: The Real Cost of Ownership, Kilometre by Kilometre
Electric vehicle advertisements talk about saving on fuel. Petrol loyalists talk about the high purchase price and battery worries. Both are...
Energy
Rooftop Solar in India: How to Size Your System and Know If It Pays Off
Rooftop solar has quietly become one of the best returns available to an Indian household. With the PM Surya Ghar subsidy launched in 2024, ...
Energy
Inverter and Battery Calculator: Right VA Rating and Backup Hours
List the appliances you want running during a power cut, add up their watts and use this calculator to find the right inverter rating in VA ...
Energy
EV vs Petrol Cost Calculator: How Much Will You Really Save?
This calculator compares the running cost of an electric car or scooter with a petrol one, using your own driving distance, fuel price and e...
Energy
Rooftop Solar Calculator: System Size, Subsidy and Payback in India
Type in your monthly electricity use and this calculator tells you what size rooftop solar system you need, how many panels, how much roof s...