15 Most Interesting lost Pieces of Technologies

The Magic of Photography with Polaroid

Polaroid is a camera that uses a special film to produce a photograph very quickly. Polaroid also invented and manufactured an instant movie camera system was called Polavision. Today, a speedy way of assessing exposure and lighting has been overlooked in favour of digital cameras. Now these Polaroid cameras are forgotten by us.

Pyramids

For thousands of years, the largest structures on earth were pyramids. The pyramids were built to protect the body of the deceased pharaoh. These massive tombs were constructed to withstand the elements of time and were intended to last forever.

The Secrets of Ancient Roman Concrete

The Romans started making concrete more than 2,000 years ago, but it wasn’t quite like today’s concrete. They had a different formula, which resulted in a substance that was not as strong as the modern product. Roman concrete, also called opus caementicium, was a material used in construction during the late Roman Republic through the whole history of the Roman Empire.

Read Also: The Most Awaited Innovations are Here
Portable Device to Detect Tainted Medicines