March 2020 Issue of Physics Today Now Available
Hua Liu American Astronomical Society (AAS)
Physics Today, the flagship publication of the American Institute of Physics (AIP), is the most influential and closely followed physics magazine in the world. With authoritative features, full news coverage and analysis, and fresh perspectives on technological advances and groundbreaking research, Physics Today informs readers about science and its role in society. Members of the AAS, an AIP Member Society, automatically receive free print and online subscriptions to the magazine. Physics Today Online, the magazine’s internet home, presents an enhanced digital edition and provides a valuable online archive.
In the March 2020 Issue
The Fall and Rise of the Doppler Effect
The phenomenon is so pervasive that we stake our lives on it, but Doppler’s idea faced fierce criticism that took half a century to overcome. — David Nolte
Gravitational-Lensing Measurements Push Hubble-Constant Discrepancy past 5σ
If the tension can’t be attributed to systematic errors, it could be a sign of new cosmological physics. — Johanna L. Miller
Brookhaven Facility to Be Transformed into Electron–Ion Collider
The Long Island lab prevailed over a rival proposal from the Thomas Jefferson National Accelerator Facility in Virginia. — Toni Feder
What Caused Australia’s Disastrous Wildfires? It’s Complicated
The country’s catastrophic bushfire season could either be a one-off or a new normal, experts say. — David Kramer
Nikola Tesla, a Man of His Time
A review of Iwan Rhys Morus's Nikola Tesla and the Electrical Future. — Richard Bradley
Space Weather on the Moon
Apollo missions placed astronauts outside Earth’s protective magnetosphere for days at a time. Future missions risk exposing them to solar and cosmic radiation for months. — Larry Townsend