Makers

Maker Birthdays: Guglielmo Marconi

Maker Birthdays: Guglielmo Marconi

On this day in way back in 1874 Marchese Guglielmo Marconi was born. At the beginning of the 20th century he played a pivotal role in the development of wireless communication. By incorporating and refining preexisting technologies, Marconi’s radiotelegraph sent messages over unprecedented distances. In 1902 his experimental transmissions made it all the way across […]

Homegrown laser crystals

Homegrown laser crystals

My Dorkbot DC cohort Jon Singer sent me a link to a webpage of a buddy of his, a Croatian laser-hacker, who grew his own KDP (Monopotassium phosphate) crystals for use in a Nd:YAG laser. He had a time getting the crystals to grow, but was able to finally get some suitable growth and to […]