Complex sentence: Research activities at PI are accessible to the public via the internet through the Perimeter Institute Recorded Seminar Archive (PIRSA), which is a permanent, free, searchable, and citable archive of recorded seminars, conferences, workshops and outreach events.
Split into simpler sentences: Research activities at PI are accessible to the public via the internet through the Perimeter Institute Recorded Seminar Archive (PIRSA). PIRSA is a permanent, free, searchable, and citable archive of recorded seminars, conferences, workshops, and outreach events.