Make life better by reading!!

What if I tell you, that every one of us heard the sound of the birth of the universe? let me simplify this, you all might have heard the buzz or hiss sound when you try to change the channel on the radio, or FM mode on your phone. Have you ever thought about what it is? A major part of it is radio waves from your surroundings, but a tiny tiny part of it is, older than 13 billion years, yes you heard me right 13 billion years! As the electromagnetic waves produced at the birth of the universe have been traveling all long for the last 13.4 billion years, as space expands the shorter wavelength becomes longer wavelength, in short, the photons lose their energy in traveling, and boom, the longer wavelength means radio waves, and your phone or radio can receive the signals and make you eligible to hear those sounds. so next time when you turn on the radio, don't get irritated by the buzz, you are listening to the sound of the universe at its youngest stage! How wonderful it is...