3. 3-D Printing.....You probably didn’t know that what’s now known as 3-D printing began in the early 1980s with a process called selective laser sintering. University of Texas alum Carl Deckard began inventing the process, commonly referred to as SLS, while he was still a graduate student.
Our lives have changed because of the handheld calculator. We have the calculator right at our hands, and able to use at anytime! Easily portable, you can take it to school, work, or even just put it in your bag.
The city was a land route from Europe to Asia and a waterway between the Mediterranean and the Black Sea. The strategic geographic location of Byzantium protected it from attacks.
