Browse Questions
Find answers to academic questions from our community
Why does ice feel cold when touched?
Ever wondered why ice feels so cold the moment you touch it?
Refrigerators
How does your fridge keep things cold even though its motor gets hot?
What makes gases flow and fill any container?
Gases seem to magically spread out everywhere. Why?
Pressure cooker
Why does food cook faster in a pressure cooker?
Why do we sweat more on humid days?
Even if it’s not that hot, humidity makes us sweaty. What’s happening?
Thermal expansion
Why do railway tracks have gaps between sections?
Why do clothes dry faster on windy days?
Same sunlight, but windy days dry clothes quicker. Why?
Entropy concept
Why can’t heat flow from a colder body to a hotter one naturally?
Can we liquefy gases like oxygen or nitrogen?
Gases are “free”, so how do scientists turn them into liquids?
Capacitance basics
Why are capacitors used in camera flashes?
Why does camphor disappear without melting?
You leave camphor out, and it just vanishes. Where does it go?
Transformers
How do transformers help reduce electricity bills during transmission?
What is the reason behind fogging on glass surfaces?
On a cold morning, why do glass windows fog up?
Eddy currents
Why do bullet trains use eddy-current braking systems?
Why is steam more dangerous than boiling water?
Both are at 100°C, but steam burns worse. Why?
Join Our Academic Community
Get help with your studies and share your knowledge with other students.