A Simple Israeli Invention Could Help 2.5 Billion People– and NASA
By TRN Online
20 Dec, 2021
The two researchers continued with their experiment with the second generation of secret ingredients – a mop bucket – and used it to create a lens with a diameter of 20 centimeters, suitable for a telescope. The cost of lenses grows exponentially by diameter, but with this new method all that is required, regardless of size, is a cheap polymer, water, salt (or glycerin) and a ring-shaped mold.