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  • Folge vom 14.08.2024
    The Promise Of Perovskite Solar Panels
    Solar holds great promise as a clean energy solution, as the sun is an incredibly abundant resource, and panels can be placed unobtrusively on roofs and in fields. And solar panel technology has advanced quite a bit over the past few decades: panels have become less expensive, more efficient, and more widely used. Panels also generally fare well, considering that they’re outside in inclement weather year after year.Recent advancements with perovskite solar cells—a type of cell whose name refers to the structure of a compound it contains—have many clean energy enthusiasts excited. Perovskite solar cells are a thin, flexible technology that can even be painted onto a structure and conduct electricity. Much of the work on these has been conducted at the National Renewable Energy Laboratory (NREL) based in Golden, Colorado.At Science Friday Live in Boulder, Colorado, Ira sat down with two solar experts from NREL, Dr. Joseph Berry and Dr. Laura Schelhas, to discuss perovskite solar cell advancements and the future of this clean energy technology.Transcripts for each segment will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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    • Was ist das?
      Radio hören mit phonostar Help layer phonostarplayer Um Radio anzuhören, stehen dir bei phonostar zwei Möglichkeiten zur Verfügung: Entweder hörst du mit dem Online-Player direkt in deinem Browser, oder du nutzt den phonostar-Player. Der phonostar-Player ist eine kostenlose Software für PC und Mac, mit der du Radio unabhängig von deinem Browser finden, hören und sogar aufnehmen kannst. ›››› phonostar-Player gratis herunterladen X
  • Folge vom 13.08.2024
    An Expert Vegetable Breeder On Innovating Crops For The Future
    It’s become clear to farmers and home gardeners alike that climate change is affecting the gardening landscape, literally. The climate is warming, pests are moving into different regions, and there’s a growing need for vegetable varieties that are resilient to the stresses of this new age.In the world of organic farming, the job of creating those new varieties falls to a plant breeder: someone who, often painstakingly, crosses plants until they create a new variety. Dr. Jim Myers, one of the most accomplished plant breeders in the country, has lots of experience with this.Myers created the Indigo Rose tomato, a strikingly purple variety with the same antioxidants as blueberries. He also created the green bean cultivar predominantly used by Oregon producers, and is debuting two new varieties of low-heat habanero peppers next month, dubbed “Mild Thing” and “Notta Hotta.”Myers joins Ira Flatow from Corvallis, Oregon, where he’s a professor of agricultural science at Oregon State University. They discuss his decades-long career in plant breeding and what he sees as the biggest challenges for the plant breeders of the future. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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    • Was ist das?
      Radio hören mit phonostar Help layer phonostarplayer Um Radio anzuhören, stehen dir bei phonostar zwei Möglichkeiten zur Verfügung: Entweder hörst du mit dem Online-Player direkt in deinem Browser, oder du nutzt den phonostar-Player. Der phonostar-Player ist eine kostenlose Software für PC und Mac, mit der du Radio unabhängig von deinem Browser finden, hören und sogar aufnehmen kannst. ›››› phonostar-Player gratis herunterladen X
  • Folge vom 12.08.2024
    What The Private Sale Of Fossils Means For Paleontology
    On July 17, Apex the stegosaurus was sold at Sothebys in New York City for a record $44.6 million. The buyer was billionaire Ken Griffin, CEO of the hedge fund Citadel, who says he plans to loan the fossil to American institutions for display.But despite Griffin’s statement, some paleontologists aren’t too happy about the trend of fossils going up for auction.The sale of dinosaur fossils has become more and more profitable in recent years. Eight out of the ten most expensive fossils have been sold in the last four years. This trend of rising sale prices leaves museums and research institutions unable to pay for fossils that could benefit paleontological research.Paleontologists fear that as more and more fossils become privately owned, the availability of fossils for research and even access to dig sites might decrease or be restricted.SciFri guest host and producer Kathleen Davis is joined by Dr. Steve Brusatte, professor of paleontology at the University of Edinburgh in Scotland to talk about the potential scientific impacts of privatizing and selling fossils.Transcript for this segment will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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      Radio hören mit phonostar Help layer phonostarplayer Um Radio anzuhören, stehen dir bei phonostar zwei Möglichkeiten zur Verfügung: Entweder hörst du mit dem Online-Player direkt in deinem Browser, oder du nutzt den phonostar-Player. Der phonostar-Player ist eine kostenlose Software für PC und Mac, mit der du Radio unabhängig von deinem Browser finden, hören und sogar aufnehmen kannst. ›››› phonostar-Player gratis herunterladen X
  • Folge vom 09.08.2024
    Starliner Leaves Astronauts Stuck | Could We Get Weather Forecasts Years In Advance?
    The Boeing capsule is having issues with its thrusters and cannot bring astronauts back to Earth. Also, move over, Farmer’s Almanac. A more accurate long-term weather forecast could be on the horizon.Boeing’s Starliner Leaves Astronauts Stuck On The Space StationIn another blow to Boeing’s Starliner program, which is meant to ferry astronauts and supplies to the International Space Station, NASA announced Wednesday that the troubled spacecraft would not be able to take astronauts Suni Williams and Butch Wilmore back to Earth due to issues with its thrusters.The two astronauts arrived at the International Space Station in June for a mission that was supposed to last eight days. But with the current problems, the pair might be stuck on the space station, where Starliner remains docked, until early next year. NASA is considering bringing them back in an upcoming SpaceX Dragon mission.Ira Flatow is joined by Umair Irfan, senior correspondent at Vox, who breaks down this and other top science stories this week, including how the Olympic Games are adjusting to abnormally high temperatures in France, why the EPA banned a widely used weedkiller, and what the moon’s atmosphere is made of.Could We Get Weather Forecasts Years—Or A Decade—In Advance?Access to weather forecasts has been made easier than ever with the advent of smartphones. Most of the time, we can get accurate information about weather for the next few hours up through the next few days. But a week or two out, those predictions get less reliable.In the near future, it may be possible to get accurate weather forecasts weeks, months, or even a decade ahead of schedule. While this sounds like science fiction, researchers at the National Center for Atmospheric Research (NCAR) are working on this very challenge.Earth system predictions, as the field is called, combines a variety of factors including atmospheric conditions, ocean currents, and even what’s happening in the soil to form predictions. These forecasts are in high demand as the climate changes, particularly as farmers need more information about incoming heat and precipitation. There’s even the possibility that Earth systems predictions could help regions prepare for dangerous natural hazards well ahead of time.At Science Friday Live in Boulder, Colorado, Ira sat down with two NCAR scientists, Dr. Yaga Richter and Dr. Jerry Meehl about their work in this field.Transcripts for each segment will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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    • Was ist das?
      Radio hören mit phonostar Help layer phonostarplayer Um Radio anzuhören, stehen dir bei phonostar zwei Möglichkeiten zur Verfügung: Entweder hörst du mit dem Online-Player direkt in deinem Browser, oder du nutzt den phonostar-Player. Der phonostar-Player ist eine kostenlose Software für PC und Mac, mit der du Radio unabhängig von deinem Browser finden, hören und sogar aufnehmen kannst. ›››› phonostar-Player gratis herunterladen X