PODCAST: Once fringe and futuristic, this renewable energy shines brightly today as a cheap and efficient source of energy. Still, it remains controversial — for much different reasons.
Jan. 13, 2021 • ~16 min
climate-change podcast technology food-environment
PODCAST: Replacing or assisting the human heart with a machine would save countless lives. But the quest to build an artificial heart has had many gruesome missteps and caused researchers to reimagine how to keep our blood flowing.
Jan. 12, 2021 • ~24 min
podcast technology health-disease
Traffic planners, securities traders and military strategists all use it. Simulating the behavior of millions of idiosyncratic individuals also may be the best way to understand complex phenomena like pandemics.
Dec. 15, 2020 • ~23 min
public-health coronavirus society technology health-disease reset special-report-reset
Machines might better understand our commands if they experienced our physical worlds, researchers say. That enhanced perception could sharpen their listening skills and improve performance.
Dec. 11, 2020 • ~15 min
robotics society technology
The unlikely marriage of two major artificial intelligence approaches has given rise to a new hybrid called neurosymbolic AI. It’s taking baby steps toward reasoning like humans and might one day take the wheel in self-driving cars.
Oct. 14, 2020 • ~22 min
Modern industry has made great strides in turning trash into tomorrow’s new products, but the process is still a long way from perfect. New technologies can help. Plus, updates on chemical recycling, design for recycling and dirty recycling.
Oct. 1, 2020 • ~27 min
climate-change technology food-environment
The controversial technology of reflecting sunlight away from the planet could help blunt the worst impacts of climate change
Sept. 16, 2020 • ~15 min
climate-change technology qa food-environment physical-world
Researchers and companies are harnessing computers to identify the emotions behind our written words. While sentiment analysis is far from perfect, it manages to distill meaning from huge amounts of data — and could one day even monitor mental health.
Sept. 14, 2020 • ~16 min
Machine learning has found uses in fields as diverse as particle physics and radiology, and its influence is growing. But so is the understanding of its limits.
Aug. 27, 2020 • ~14 min
robotics technology physical-world in-review