Checking your tax refund status online. Step 1 - Wait. Wait at least three days after e-filing your tax return before checking a refund status. When you e-file your tax return to the IRS, it needs approximately three days to update your information on the website.
In 1456 Gutenberg invented the printing press. This created a widespread of books. Once people owned books reading glasses began to be seen in the hands of the common people. These glasses were made with a variety of materials including wood, lead, copper, bone, leather, and even horn. In 1623 the Spanish invented the first graded lenses.
Updated: 13 October 2016. Although it is best known for its cultural and artistic advancements, the Italian Renaissance was also a period of significant scientific progress too. We take a look at some of the eraâs most interesting inventions, from Leonardo da Vinciâs parachute to Galileoâs precursor to the modern thermometer.