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Showing posts from June, 2017

The Doppler Effect

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“So you’re telling me that the sound waves are coming in a direction different from the train”? Sunil looked very perplexed asking me that question. The most scientific thing we were taught at school till then was how the light bulb worked and here Ms. Alamelu had just delivered a 25-minute lecture on something called ‘The Doppler Effect’. It was the last period and we were done for the day. Sunil and I would often wait for everyone in the class to trickle out leaving only the two of us behind. We thoroughly enjoyed our 10 minutes of unmonitored freedom, well, until the janitor would eventually show up in the evening to clean up and lock all rooms in the building. This was a time reserved for jumping on and off every desk, and for standing at one end of the empty oblong classroom and listen our loud voices echo off the walls, amongst many other things. "Explain it to me man". Sunil urged as I started wiping off the chalky writing on the blackb