Science is everywhere, even in the simplest things we do! Without realising it, we interact with brilliant scientific principles daily, often missing the invisible geniuses working behind the scenes. Let’s uncover the science hidden in plain sight!
You wake up, check your phone, brush your teeth, and grab a cold drink from the fridge—just another ordinary day. But have you ever stopped to think about the science behind these simple actions? How does your phone recognise your face? What makes soap wash away dirt? How does your refrigerator keep food fresh? Science isn’t just in laboratories or textbooks; it’s all around you, silently shaping your everyday life. Let’s uncover the invisible geniuses at work behind the things we use without a second thought!
How does it work?
Science isn’t just in textbooks — it’s in your hands, in your kitchen, and even on your skin! Let’s take a closer look at how everyday objects work their magic:
The chemistry of soap: Grease’s worst nightmare
Soap is more than just a nice-smelling bar; it’s a microscopic cleaning force. Each soap molecule has two ends—one that loves water (hydrophilic) and another that loves grease but repels water (hydrophobic). When you wash your hands, the hydrophobic ends grab onto grease and dirt, while the hydrophilic ends pull them into the water, breaking them apart and washing them away. It’s a tiny battle happening every time you lather up.


The physics of a refrigerator: A cool story
Your fridge doesn’t create cold — it removes heat! This happens through a special liquid called a refrigerant, which cycles through different states to absorb and release heat. Inside the fridge, the refrigerant absorbs heat and turns into a gas, cooling the interior. Then, the gas is compressed and sent to the condenser coils at the back, where it releases the heat and turns back into a liquid. This cycle repeats, keeping your food fresh and your drinks chilled.

The technology in smartphones: A pocketful of wonders
Your smartphone is packed with incredible tech:
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Touchscreen: Most smartphones use capacitive touchscreens, which sense the tiny electrical signals from your fingers to detect touches.
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Sensors: Ever wonder how your phone knows when to rotate the screen or dim during calls? That’s thanks to accelerometers, gyroscopes, and proximity sensors.
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Artificial Intelligence (AI): AI powers features like voice assistants, facial recognition, and predictive text, making your phone smart and intuitive.

The invisible genius behind it all: Why does it matter?
The science we’ve just explored isn’t confined to textbooks or laboratories. It’s the invisible engine powering our modern world. These seemingly simple principles have shaped everything from the cleanliness of our homes to the way we communicate and access information.
Shaping the way we live
Without soap’s chemistry, hygiene and health would take a hit, increasing the spread of diseases. Refrigeration revolutionized food storage, reducing waste and making fresh food accessible. The sensors and AI in smartphones have redefined how we communicate, learn, and navigate.
Did you know?
Our parents have been kitchen chemists all along! Ever noticed how they add salt, lemon juice, or vinegar while cooking bhindi (okra) to keep it from getting sticky? That’s because okra contains mucilage, a natural thickener that turns slimy when heated. But salt and acids break it down, reducing the stickiness—something science explains, but our parents have known and practiced for generations!
From everyday science to big innovations
Some of the world’s greatest breakthroughs started with simple scientific concepts:
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Better cleaning solutions: Advances in surfactant chemistry have led to more effective and eco-friendly cleaning products.
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Energy-efficient cooling: New materials inspired by thermodynamics have improved refrigeration and air conditioning.
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AI-powered technology: The same sensors in your phone are now driving smart homes, self-driving cars, and medical diagnostics.
Did you know that microwave ovens were invented by accident?
A scientist working with radar technology noticed a chocolate bar melting in his pocket — leading to the discovery that microwaves can heat food!
Every innovation begins with curiosity. Maybe the next big leap in technology—biodegradable soaps, ultra-efficient cooling, or a revolutionary AI—will come from someone asking, Why does this work the way it does? Look around you! What everyday object do you think has an interesting scientific principle behind it? Maybe your sneakers, the ink in your pen, or even the way your WiFi works. Science is everywhere—can you spot it?
Published – March 06, 2025 03:37 pm IST