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.
11 Simple Inventions That Could Change The World. We have a tendency to lionize mankind's mind-bogglingly complex inventions. It's why we teach our children about the Alexander Graham Bells and Thomas Edisons of the world, and scour the Internet for every little iPhone rumor we can find. But sometimes, it's the simple technologies that truly change the world. Think of what pasteurization did for public health or what mechanical clocks did for, well, time. These unheralded inventions maybe don't appear incredibly complicated at first glance, but they nevertheless improved the lives of countless people.