High-energy laser weapons: A defense expert explains how they work and what they are used for
Militaries around the world are rapidly developing science fiction-like laser weapons, motivated in part by the growing threat from swarms of drones.
Iain Boyd, Director, Center for National Security Initiatives, and Professor of Aerospace Engineering Sciences, University of Colorado Boulder •
conversation
March 7, 2024 • ~9 min
March 7, 2024 • ~9 min
Low-level blasts from heavy weapons can cause traumatic brain injury − 2 engineers explain the physics of invisible cell death
The people manning the guns are also at risk of injury from the force of the weapon.
Christian Franck, Bjorn Borgen Professor of Mechanical Engineering and Director of the Center for Traumatic Brain Injury, University of Wisconsin-Madison, University of Wisconsin-Madison •
conversation
Feb. 28, 2024 • ~6 min
Feb. 28, 2024 • ~6 min
Is Russia looking to put nukes in space? Doing so would undermine global stability and ignite an anti-satellite arms race
Russia isn’t likely to put nuclear missiles in space, but their reported anti-satellite weapon is just as alarming. An expert on nuclear strategy explains.
Spenser A. Warren, Postdoctoral Fellow in Technology and International Security, University of California, San Diego •
conversation
Feb. 17, 2024 • ~9 min
Feb. 17, 2024 • ~9 min
Chlorine is a highly useful chemical that's also extremely dangerous − here's what to know about staying safe around it
Chlorine is a widely used industrial chemical that’s frequently a factor in toxic accidents and workplace injuries. A pharmaceutical expert explains why it’s so hazardous.
Aliasger K. Salem, Associate Vice President for Research and Bighley Chair and Professor of Pharmaceutical Sciences, University of Iowa •
conversation
Nov. 27, 2023 • ~8 min
Nov. 27, 2023 • ~8 min
The Doomsday Clock warns the world about catastrophe – here's why it stands at 90 seconds to midnight
Since 1947 the clock’s hand have been set at the beginning of every year.
Rod Thornton, Associate Professor/Senior Lecturer in International Studies, Defense and Security., King's College London •
conversation
Nov. 15, 2023 • ~6 min
Nov. 15, 2023 • ~6 min
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