‘You have a voice message’ the phone informs and we all run to grab our earphones. The usual ways of transmitting Voice Messages are via the internet. WhatsApp and similar social media applications are the modes of transfer for voice messages. But what if we can use light to transfer sound directly to the ears of the person we want to send the Message to?? Weird? Impossible? Well! It is none. Sound can now travel through the light. Transmission of sound via laser is the new reign. How does this happen? Researchers are using the water in the atmosphere to generate sound […]

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