Flip Tanedo, University of California Riverside


Mike Lazaridis Theatre of Ideas Wed, Feb 28 7:00 PM


PI Public Lecture Series:

Title: Why we have not discovered dark matter: A theorist's apology

Free tickets to attend the event in person will be available on Monday, February 12 at 9:00 AM EDT.


A preponderance of astronomical evidence suggests that the galaxy is filled with dark matter. Despite knowing remarkably little about what this dark matter is, we expect that it is not composed of ordinary matter. Though we have spent 30 years expecting that it may be related to pressing open problems in fundamental physics, a heroic experimental program has shown that dark matter is even more elusive than we had initially imagined. In this talk we discuss how we got things so wrong, why we can be optimistic about the future, and what it means to "do physics" on something where the only thing we really know is that it probably exists.

Flip Tanedo, University of California Riverside

Flip Tanedo spends his time thinking about dark matter. He grew up in Los Angeles and fell in love with physics after reading The Physics of Star Trek. This carried into degrees in mathematics and physics at Stanford, Cambridge, Durham, and a Ph.D at Cornell. After a postdoc at UC Irvine, he is currently faculty at UC Riverside where he is often covered in a layer of chalk dust.

Please, if you are feeling unwell, help keep our community healthy by watching the
live webcast at home rather than joining us in person. If you need to cancel your tickets, please go to CANCEL FREE TICKETS.

Attendance to the lecture is free, but advance tickets are required. Our lectures consistently sell out. As a courtesy to our waiting list guests, your ticket will be honoured until 6:45 PM only. If you have not arrived by 6:45 PM your reservation will be filled by another guest, and you will be asked to join the end of the waiting line.

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Pre-Lecture Activities
Doors open at 6:00 PM for the following pre-lecture activities. Tickets are not required to participate.

  • Ask a Scientist!
    Perimeter scientists will be on hand to answer physics questions from 6:00 - 6:45 PM.
  • Black Hole Bistro
    The Black Hole Bistro will not be open.

Waiting Line Experience
There will be a waiting line for last minute cancelled (or ‘no show’) seats on the night of the lecture. Doors open at 6:00 pm. Come to Perimeter and pick-up a waiting line chit at the Waiting Line sign. An announcement will be made in the Atrium around 6:50 pm if theatre seats are available. Note: you must arrive in person to be part of the waiting line and be in the Atrium when the waiting line announcement is made.

No Disappointments
Everyone who comes to Perimeter will be able to participate in the lecture. The public lecture will be shown simultaneously on closed circuit television in the quiet of the Time Room for any members of the waiting line who are not able to get a theatre seat.

Live Webcast Online
For most lectures the on-demand playback will be online within 24 hours after the live event. Check our YouTube page for the playbacks.