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
2025年10月19日 / Last updated : 2025年10月19日 桑子 研 Science

Why Does a Motor Keep Spinning? Unraveling Fleming’s Law and the Secret of the Commutator with Digital 3D and Papercraft!

I’m Ken Kuwako, a Science Trainer. Every day is an experiment. How many “motors” do you think are around you? Fans, washing machines, smartphone vibrations, even train wheels… Our lives are overflowing with the power to “rotate” things. But if someone asks you, “Why does electricity make things spin?” it can be a tricky question, […]

2025年10月19日 / Last updated : 2025年10月19日 桑子 研 Science

The $20 Science Breakthrough: Prove Light is a Wave with a Paper Cup!

I’m Ken Kuwako, a Science Trainer. Every day is an experiment. “Light travels in a straight line.” The sun’s light and a flashlight beam certainly look like they do, right? But what if you could easily see the “proof that light is a wave” using only items you have at home? Wouldn’t that be astonishing? […]

2025年10月19日 / Last updated : 2025年10月19日 桑子 研 Science

“What’s a Longitudinal Wave?” Explained Instantly! Learn the Basics of Waves and the Secrets Behind Japan’s Earthquake Alerts with a Spring!

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Return to Special Page Doable with a Dime-Store Toy! The Longitudinal Wave Science Experiment that Captivates Students “You can hear sound, but have you ever seen what it actually looks like?” “We hear about ‘P-waves’ in earthquake news. They say it’s the small tremor […]

2025年10月18日 / Last updated : 2025年10月18日 桑子 研 Science

The Earthquake Experiment: Watch Your Desk Turn to Quicksand!

I’m Ken Kuwako, a Science Trainer. Every day is an experiment. What if the ground you’re standing on suddenly turned into a wobbly, pudding-like liquid? This is ‘Liquefaction,’ a phenomenon you hear about in earthquake news. The idea of the ground turning into a liquid sounds like something out of an sci-fi movie, but it’s […]

2025年10月18日 / Last updated : 2025年10月18日 桑子 研 Science

It’s Not Magic! The Science Behind the Balloon That Bends Water (Static Electricity Experiment)

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment. Static electricity is everywhere—that invisible yet definitely present mysterious force: the crackle when you take off a sweater in winter, the shock when you touch a doorknob! But did you know this static electricity has the power to manipulate water, almost like magic? […]

Posts pagination

  • «
  • Page 1
  • …
  • Page 40
  • Page 41
  • Page 42
  • …
  • Page 67
  • »

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