Ivan Semeniuk

Sept. 25th: Ivan Semeniuk –

Over four fifths of the matter in the universe is an unseen, unidentified substance known as dark matter. Astronomers posited the existence of dark matter in the 20th century but discovering its true nature had become a key goal for experimental physicists in the 21 Century. Scientists are now closing in on the elusive stuff with major experiments underway on three fronts — in space, in deep underground laboratories and in the heart of the world’s largest particle accelerator. The coming 18 month are expected to be crucial because it is a period during which dark matter with either be found or a wide range of possible explanations for it will be ruled out.

Simulation of the large-scale structure of matter in the universe, with galaxies distributed

Ivan Semeniuk is an award-winning science journalist and broadcaster. He reports on science for The Globe and Mail and is the writer and host of the astronomy TV series Cosmic Vistas.

The meeting will be held from 8:00 to 10:00 p.m. at The University of Toronto,Mississauga Campus, in lecture hall SE2082 in the William Davis Building. The meeting is open to the public and is free.

Enter off of Mississauga Road. Park in lot 4 or the parkade, across from the fitness centre south of theDavis Building. Enter through the Fitness centre, walk up the stairs untilyou reach the main corridor then turn right. (If you need an elevator,follow the corridor to the right of the stairs, then go up to the mainfloor.) Look for the Mississauga Centre sign in front of the lecture room.

Post meeting plans: we usually continue the discussion post-meeting at a local bar – please join us!

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