Scientific American
2024年11月15日 · Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.
Flat Earthers: What They Believe and Why | Scientific American
2020年3月27日 · Michael Marshall, project director of the Good Thinking Society in the U.K., talks about flat earth belief and its relationship to conspiracy theories and other antiscience activities.
What Is Pi, and How Did It Originate? | Scientific American
1999年5月17日 · Succinctly, pi—which is written as the Greek letter for p, or π—is the ratio of the circumference of any circle to the diameter of that circle.
Issue Archive: 2020-2024 - Scientific American
Browse Scientific American's archives going back to 1845. Learn and share the most exciting discoveries, innovations and ideas shaping our world today.
How Does Wind Energy Work? - Scientific American
2019年8月8日 · In the U.S. 8% of our energy generating capacity comes from wind turbines—that’s more than any other renewable resource—and wind power has more than tripled over the past decade. More than ...
What Are Chemtrails Made Of? | Scientific American
2018年9月22日 · Believers in chemtrails say those trails are actually clouds of chemicals used by the government for nefarious purposes. But as Carl Sagan says, “extraordinary claims require extraordinary proof”
The Truth about Genetically Modified Food - Scientific American
2013年9月1日 · Despite such promise, much of the world has been busy banning, restricting and otherwise shunning GM foods. Nearly all the corn and soybeans grown in the U.S. are genetically modified, but only ...
Daring to Die: The Psychology of Suicide | Scientific American
2010年1月1日 · (Further Reading) Trends in Suicide Ideation, Plans, Gestures, and Attempts in the United States, 1990–1992 to 2001–2003. Ronald C. Kessler, Patricia Berglund, Guilherme Borges, Matthew Nock ...
What Is the Future of Fusion Energy? | Scientific American
2023年6月1日 · L ast December physicists working on fusion claimed a breakthrough. A team at the National Ignition Facility (NIF) in California announced it had extracted more energy from a controlled nuclear ...
The Scale of Space Will Break Your Brain | Scientific American
2024年3月8日 · Space is big. That’s why we call it space. But how big is “big”? That’s relative. When an astronomer says something is nearby, they might mean it’s a few million kilometers away (if they ...