The prime goal of this article is to discuss about wonders of modern science. We survive in the era of science. The task of science cannot be described in a word. We can observe the wonders of science approximately us. It has prepared our life simple and relaxed. We cannot believe of our present life without science. Such an instance of modern science is Internet Modem (Modulator Demodulator). It’s a huge wonders of modern science. It’s a particular gadget which connects to a computer and allows the device to attach to the internet.