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Light travels faster than sound

December 30, 2010

When I was kid I was taught this in physics.

My teacher substantiated it by saying how lightening is seen before you hear the thunder.

Even today I can see it when my phone gets a sms. It lights up first and then gives out the sound.

It is nature’s way of cutting the surprise element and warning us beforehand.

But we rarely pay attention to the light before the sound.

Because light requires us to look in a particular direction to notice it.

Sound has to be only received and is heard irrespective of what you are doing.

Most times we miss the light because we are not looking for it.

We are not ready for surprises. And we appear surprised when we hear the sound.

Not realizing there is always a light preceding it.

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4 Comments
  1. so true…very deep indeed. it requires one to slow down and be more mindful

  2. Shop Detective permalink

    Thanks Neetika.

  3. May be technology can trigger a perfume in the mobile in addition to the silent mode

  4. Tushar Jambhekar- tujams permalink

    Sorry, but I will give the techie perspective.

    The display backlight in a mobile by default is linked to any activitiy that is triggered by the mobile SIM card or by press of any button. The only thing you can control in the display backlight is intensity and idle switchoff time.

    Sound has a higher level of customization options for the user. Ringtones sounds inherently have a lag of a few miliseconds after starting, thereby seeming late to respond.

    The delay in reception of sound is thereby a combination of more factors than just speed of transmission in air for both energies.

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