Skip to the content Skip to the Navigation

科学のネタ帳

  • Experiment
  • Materials
  • Youtube
  • Podcast
  • Books
  • Seminar
  • About
  • Contact

Science

  1. HOME
  2. Science
2026年7月5日 / Last updated : 2026年7月5日 桑子 研 Science

From Bucket to Science Lab! Measuring Sound Wavelengths with Your Smartphone (Air Column Resonance Experiment)

I’m Ken Kuwako, a science educator. Every day is an experiment. In this article, I’ll introduce a simple but powerful experiment that explores sound resonance using the iPhone app “AƒG – Audio Function Generator.” Students can actually experience the relationship between wavelength and frequency, then confirm it with calculations. Best of all, the equipment is […]

2026年7月4日 / Last updated : 2026年7月4日 桑子 研 Science

Why Doesn’t Your Stomach Digest Itself? What a 170-Year-Old Accident Revealed (Video: “The Marvel of Human Digestion”)

I’m Ken Kuwako, your science educator. Every day is an experiment. I first learned about this fascinating video, “The Wonders of Human Digestion,” from Mr. Y, and I’ve been showing it to my students every year ever since. It’s simply too good not to share. Have you ever wondered why your stomach doesn’t digest itself […]

2026年7月3日 / Last updated : 2026年7月3日 桑子 研 Science

How Buildings Fight Back Against Earthquakes: From Liquefaction to Sloshing Dampers, Fully Explained [Miraikan]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment! If a major earthquake struck right now, would your home or office building be able to withstand it? In Japan, many buildings are designed with clever engineering tricks that help protect people from powerful earthquakes. During a visit to the National Museum of Emerging […]

2026年7月2日 / Last updated : 2026年7月2日 桑子 研 Science

See the Invisible: The Mysterious Phase Shift Hiding in Coils

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. Did You Know That Current and Voltage Can Actually Fall Out of Step? Have you ever imagined that the electricity flowing from a wall outlet might have voltage and current that aren’t perfectly synchronized? We use electricity every day without giving it much thought, […]

2026年7月1日 / Last updated : 2026年7月1日 桑子 研 Science

Punches Aren’t Damage: Understanding Becquerels and Sieverts Through Boxing

I’m Ken Kuwako, a science trainer. Every day is an experiment. The units “becquerel” and “sievert” are used to describe radiation levels. Many people have heard these names before, but surprisingly few can clearly explain the difference between them. At the Tsukuba Expo Center in Ibaraki Prefecture, I found an exhibition poster that explained this […]

Posts pagination

  • Page 1
  • Page 2
  • …
  • Page 89
  • »

Languages

  • 日本語
  • 한국어
  • 中文
  • हिन्दी
  • Suomi
  • Español
運営:桑子研(くわこ けん)
科学の楽しさや不思議、感動を多くの人に届けていきたい。サイエンストレーナーとしてテレビ番組の科学監修・出演、実験教室、科学本執筆なども行っています。

Author: Ken Kuwako
My mission is to share the joy, wonder, and excitement of science with as many people as possible. As a Science Trainer, I stay busy supervising and appearing on science-themed TV programs, hosting hands-on experiment workshops, and authoring science books.

Copyright © 科学のネタ帳 All Rights Reserved.

Powered by WordPress with Lightning Theme & VK All in One Expansion Unit

MENU
  • Experiment
  • Materials
  • Youtube
  • Podcast
  • Books
  • Seminar
  • About
  • Contact
  • 日本語
  • English
  • 한국어
  • 中文
  • हिन्दी
  • Suomi
  • Español