If your digital TV is getting a signal at all, you're getting clear audio and video. Â­That said, if you have a TV with an analog tuner and a terrestrial antenna -- not a satellite dish antenna -- you need a digital-to-analog converter box to continue watching TV now that the deadline for conversion has passed.igital TV Conversion. You might think that with the switch to digital television you need to buy a new, expensive high-definition television (HDTV) set. You can do that if you want to, and you'd have many good reasons to do so.
Lavoisier immediately repeated Priestleyâs experiments and, between 1775 and 1780, conducted intensive investigations from which he derived the elementary nature of oxygen, recognized it as the âactiveâ principle in the atmosphere, interpreted its role in combustion and respiration, and gave it its name.
12 Oct, 2009 Who discovered 1. Carbon is the fourth most abundant element in the universe by mass. It is also the second most abundant element in the human body after oxygen. But who discovered carbon? This post will answer that question and also tell you a few interesting facts about carbon. Who Discovered Carbon? Unfortunately, no one knows who discovered carbon. It is one of the few elements that was known since ancient times. The earliest use of carbon was sometime around 3750 BC. The Egyptians and Sumerians are jointly credited with the discovery as they were the first to use charcoal (a form of carbon) to obtain copper, tin and zinc from their ores.