Perpetual Notion Machine
Tonight, we explored a mystery of the cosmos that might be detected as a particle right here on Earth. That mystery is dark matter. PNM’er Dennis Shaffer talked with Yang Bai, theoretical particle physicist at UW-Madison. “Extra” matter was first postulated in the early 1930’s by Fritz Zwicky, when he noticed the gravitational effects of […]
Dustin Zarnikow talks about pollution issues inherent in mining for taconite in Wisconsin’s Penokee Range with Environmental Specialist for the Bad River Band of Lake Superior Chippewa Department of Natural Resources Cyrus Hester, Lawrence University Geologist Marcia Bjornerud, and Lakeland College Geologist Tom Fitz.
On this week’s episode, Matthew Zmudka interviews Fima Zaltsman, a graduate student at UW-Madison who researches stem cell differentiation. We discuss what a stem cell is, why some are opposed to using them, and recent research advances and failures.
On this special pledge drive show, PNM takes its new time machine for a spin to several shows in the past. First, we hear the opening intro of a pledge drive show from March 6, 1997 with PNM founder Kris Wedding. However, the time machine busted a gear or two, and we returned to today’s […]
This month is the 100th anniversary of the extinction of the, a very shameful anniversary for a bird that once numbered as many as 5 billion. The last one died in captivity at the Cincinnati Zoo. Extinctions of species are not uncommon when the delicate balance of nature occasionally veers off-course.
On this show, we explore the history of exploring – the effort of mankind to find itself. Our guest is Hiawatha Bray, a technology reporter for the Boston Globe. His new book is called “You Are Here.” He talked with PNM producer Jim Carrier.