Operating the machine is a project of Ron Wild — a digital artist who considers himself a "citizen scientist" — and his friend and collaborator Stephen Morris, a University of Toronto physics professor who has been studying icicles for many years and compiling findings in an icicle atlas.

Morris typically grows his icicles in his lab, but has also been growing them on his porch for the last two winters, using an outdoor version of the lab machine.  This year Morris is away in British Columbia, so Wild has been babysitting — and experimenting.

Read the full article here:
https://www.cbc.ca/news/canada/toronto/icicle-machine-toronto-1.5439862