Beats phenomenon
Why do we hear “beats” when two guitar strings are slightly off-tune?
Nanotechnology
How is nanotechnology changing electronics?
Tyndall effect
What is Tyndall effect and where do we see it?
Doppler effect
Why does an ambulance siren sound different as it passes you?
Solar Cells
How do solar cells convert sunlight into electricity?
Energy in waves
Why do tsunamis cause massive destruction even in shallow waters?
Future of Physics
Will quantum computing change the world?
Heat vs temperature
Why does boiling water stay at 100°C no matter how long you heat it?
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?
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