Construction
Bathroom Waterproofing Done Right: Step-by-Step Before You Tile
Bathroom leaks are one of the costliest repairs in a home, because fixing them means breaking tiles, often damaging the ceiling of the flat ...
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Construction
Vitrified vs Ceramic vs Granite vs Marble: Choosing the Right Floor
Flooring is one of the most visible and most debated choices in any home. It affects how a room looks, how easy it is to clean, how it feels...
Construction
Plastering Guide: Thickness, Mix Ratio and How to Avoid Cracks
Plaster is the skin of your walls. It protects masonry from weather, hides uneven surfaces and gives a base for paint. Done well, it lasts d...
Construction
Red Brick vs AAC Block vs Fly Ash Brick: Which Wall Material Is Best?
The walls of a house account for a large share of its weight, cost and comfort. Today, builders choose mainly between traditional red clay b...
Construction
M-Sand vs River Sand: Strength, Cost and How to Check Quality
River sand has become scarce and expensive in many Indian states because of restrictions on sand mining. Manufactured sand, or M-sand, made ...
Construction
OPC vs PPC vs PSC Cement: Which Should You Use for Your House?
Walk into any cement shop and you will be asked: OPC or PPC? 43 grade or 53? The choice affects strength, durability, cracking and even how ...
Construction
Damp Walls and Seepage: 7 Causes and the Right Fix for Each
Damp patches, bubbling paint and a musty smell are among the most common complaints in Indian homes, especially after the monsoon. The mista...
Construction
Plinth Beam and DPC: Why Walls Get Damp at the Bottom and How to Stop It
Look at older houses and you will often see a band of peeling paint and white salt patches along the bottom metre of the walls. That is risi...
Gadgets
Wi-Fi 6 vs 6E vs 7: What the Numbers Mean and How to Fix Slow Wi-Fi
New routers and phones advertise Wi-Fi 6, 6E and 7. Meanwhile, your Wi-Fi still drops in the bedroom. Understanding what each version actual...
Science
The Science of a Cricket Bat: Willow, Sweet Spot and Why You Knock It In
A cricket bat looks like a simple plank of wood with a handle. In reality, it is a carefully engineered piece of sports equipment, shaped by...
Science
How VAR and Goal-Line Technology Work in Football
Few things in sport spark as many arguments as a VAR decision. Video technology now decides goals, penalties and offsides in top football le...
Science
How Rockets Reach Orbit: Speed, Stages and Why Space Is Hard
Space is only about 100 km up, a short drive horizontally. So why do rockets need to be so enormous? The answer is that reaching space is ea...
Science
How Chandrayaan-3 Landed on the Moon: The Engineering of a Soft Landing
On 23 August 2023, ISRO's Chandrayaan-3 lander Vikram touched down near the Moon's south polar region, making India the first countr...
AI
How AI Image Generators Turn Words Into Pictures
Type "a red double-decker bus on a rainy Mumbai street at night" and seconds later you have a detailed picture that never existed....
AI
How Deepfakes Are Made, and 9 Ways to Spot a Fake Video or Voice
A video of a celebrity endorsing an investment scheme. A voice note from your boss urgently asking for a payment. A clip of a politician say...
AI
Passkeys Explained: Why Your Passwords Are Being Replaced
Google, Apple, Microsoft, banks and shopping sites are now asking you to "create a passkey". It is the biggest change to how we lo...
Science
India's Bullet Train: The Engineering Behind 320 km/h Travel
The Mumbai-Ahmedabad High Speed Rail corridor is India's first bullet train project, built with Japanese Shinkansen technology. Covering...
Science
How Metro Trains Work: Power, Braking and Driverless Signalling
Metro rail has transformed travel in Delhi, Mumbai, Bengaluru and many other Indian cities, and urban rail moves millions of people a day in...
Construction
How Lifts Work, and Why Elevators Almost Never Fall
Many people feel a flicker of worry stepping into a lift, imagining the cable snapping. In reality, modern elevators are among the safest fo...
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...