April 23, 2021 at 8:00 PM Meeting #2,439

“Crossrail” — Building the £15B Elizabeth Line

Digitally Digging a New Metro Beneath London's Skyscrapers

Simon Bennett & Daniel Irwin

Crossrail, Ltd
May 7, 2021 at 8:00 PM Meeting #2,440

Satellite Constellations and Astronomy

Satellite Interference with Astronomical Observations and Potential Remedies

Tony Tyson

Distinguished Professor of Astronomy - UC Davis
Chief Scientist at The Rubin Observatory
May 21, 2021 at 8:00 PM Meeting #2,441 Sponsored by PSW Science Member Tim Thomas

Bringing Back the American Chestnut Tree

How Biotechnology Can Be Applied to Conservation

William A. Powell

Director, American Chestnut Research & Restoration Project
Roosevelt Wild Life Station Scientist-in-Residence
June 4, 2021 at 8:00 PM Meeting #2,442 The 90th Joseph Henry Lecture Sponsored by MWZB Law

Quantum Gravity

Carlo Revelli

Director, The Quantum Gravity Group
Centre de Physique Théorique de Luminy, Aix-Marseille University
June 18, 2021 at 8:00 PM Meeting #2,443 Sponsored by PSW Science Member Adarsh Deepak

NASA’s Commercial Crew Program

Returning America to Human Spaceflight

Steve Stich

Program Manager
NASA Commercial Crew Program