Episodes

A conversation with Lorraine Daston

Dr. E.C. “Ed” Krupp joins Alan on this episode of AMSEcast to discuss the Griffith Observatory and his role as its longtime director. Now in its 90th year, the observatory remains a hub for public astronomy, drawing over 1.6 million visitors annually. Ed shares its educational mission, including a fifth-grade program and immersive exhibits like “Water is Life.” He also discusses archaeoastronomy, the cross-disciplinary study of ancient skywatching, and how visiting historical sites deepens our u...

Success has patterns

A glimpse into General Douglas MacArthur

From Skunk Works to the National Academy of Engineering

Menlo Park and innovation

Jack Kelly joins Alan on this episode of AMSEcast to talk about his book Gunpowder: Alchemy, Bombards, and Pyrotechnics. They discuss gunpowder’s accidental invention in 10th-century China and its explosive mix of saltpeter, charcoal, and sulfur. Kelly explains how gunpowder shaped science and warfare, fueling revolutions in physics, ending the era of castles, and powering colonial empires. Though once too expensive for civilian use, gunpowder later drove mining and infrastructure projects befor...

Alan Lowe speaks with Dr. Simon Cordery about the transformative role of railroads in American history. From the Baltimore and Ohio Railroad in 1828 to a national network by 1916, Cordery details how rail shaped commerce, industry, and infrastructure. He also explores regulation, from early oversight efforts to the 1980 Staggers Act, which revitalized the struggling industry. The conversation touches on Amtrak’s dependence on subsidies, the challenges of expansion, and the promise of high-speed ...

Alan talks with historian Walter Borneman about his book MacArthur at War: World War II in the Pacific. They examine General Douglas MacArthur’s early career, his leadership in the Philippines, and his strategic command from Australia. Borneman discusses MacArthur’s evolving coordination with the Navy, his key role in island-hopping operations, and his push to reclaim the Philippines. They also explore MacArthur’s late awareness of the atomic bomb, his post-war leadership as Supreme Commander in...

Uranium: War, Energy, and the Rock that Shaped the World, Author speaks

Alan Lowe speaks with Dr. Margaret Weitekamp of the Smithsonian’s National Air and Space Museum about its transformation ahead of America’s 250th anniversary. They explore how new exhibits, immersive storytelling, and iconic artifacts like the Wright Flyer, Space Shuttle Discovery, and Neil Armstrong’s spacesuit bring aviation and space history to life. Weitekamp discusses the museum’s role as both a public institution and research center, preserving innovations from early flight to modern space...

Kathleen Carlucci, director of the Thomas Edison Center at Menlo Park, joins AMSEcast to discuss Edison’s lasting impact on American innovation. From his early love of telegraphy to his system-wide inventions in sound, light, and film, Edison redefined how ideas were developed and assembled skilled teams in the world’s first “invention factory.” Carlucci highlights his resilience, collaborative spirit, and ability to turn failure into progress. Visitors to the Center can explore original artifac...

Dr. Josh Levy is a historian of science and technology at the Library of Congress. In this episode of AMSEcast, he highlights key figures and artifacts from all across America’s innovation history. From Samuel Morse’s early telegraph designs to George Washington Carver’s advocacy for sustainable farming, Levy reveals stories of invention and resilience. He also discusses aviation pioneer Lt. Thomas Selfridge and Claude Shannon’s groundbreaking work in information theory. Josh and Alan finish wit...

Alan is joined by Peter Armstrong, president of Mystic Seaport Museum, to continue our celebration of 250 years of American innovation. Peter reflects on his 25 years in museum leadership and shares insights into Mystic’s long shipbuilding history....

AMSEcast continues celebrating 250 years of American innovation with Curtis Gregory. A park ranger at the George Washington Carver National Monument, Curtis sits down with Alan to share Carver’s inspiring journey from enslavement to becoming a...

Alan speaks with Dr. Guru Madhavan at the National Academy of Sciences in Washington, DC, as we continue our series marking 250 years of American innovation. Guru, a leader at the National Academy of Engineering, explores the Academy’s Civil War...

AMSEcast celebrates 250 years of American innovation with Dr. Andrew Hammond, historian and curator at the International Spy Museum. Hammond explores the evolution of intelligence and espionage, from trial-and-error codebreaking by pioneers like the...

We continue to celebrate 250 years of American innovation with Don Bennett, Deputy Associate Director of the U.S. Mint’s Manufacturing Directorate. He joins Alan on this episode of AMSEcast to talk about the Mint’s history, operations, and...

Presidents enrich the scientific process

A gas is a lot to consider

Award-winning science writer Dava Sobel returns to AMSEcast to discuss her latest book, The Elements of Marie Curie. She and host Alan explore Curie’s groundbreaking research, her struggles against societal barriers, and her enduring impact on...

With support from the Institute of Museum and Library Services, AMSEcast is celebrating 250 years of American innovation with expert interviews. CEO of the American Association for the Advancement of Science and executive publisher of Science, Dr....

Executive Officer of the National Academy of Engineering, Dr. Al Romig joins this special edition of AMSEcast, recorded at the National Academy of Sciences Building in Washington. Dr. Romig has led a distinguished career including leadership roles at...