Skip to the content Skip to the Navigation

科学のネタ帳

  • Experiment
  • Materials
  • Podcast
  • Seminar
  • Contact
  • About

Science

  1. HOME
  2. Science
2025年11月8日 / Last updated : 2025年11月8日 桑子 研 Science

Pascal’s Power Coil: Turn One Wire into a 200-Turn Electromagnet! (And Make It Safe!)

Hello! I’m Kuwako Ken, your Science Trainer. Every day is an experiment! It looks like just a single electrical cable. But what if that one wire secretly held the power of ten wires? Doesn’t that sound exciting? The “Pascal Cable” I introduced recently is exactly that kind of magical item. A single tube bundles 10 […]

2025年11月8日 / Last updated : 2025年11月8日 桑子 研 Science

Why Is the Sky Blue and the Sunset Red? Discover the Secret with Soap Bubbles and a Plastic Bottle!

I’m Ken Kuwako, a Science Trainer. Every Day is an Experiment! “Why is the sky blue?” “If it’s blue, then why are sunsets red?” If you’re a science teacher (or maybe a parent), you’ve probably been asked these questions by a child at some point. While explaining “light scattering” using words and diagrams is certainly […]

2025年11月8日 / Last updated : 2025年11月8日 桑子 研 Science

The $1 Science Lesson: Why Your “Facts” About Turtles and Seahorses Are Probably Wrong!

I’m Ken Kuwako, a Science Trainer. Every Day is an Experiment! Hello, everyone! Can you confidently say which class of animal a turtle belongs to? And what about a seahorse? When we judge animals purely by their appearance or where they live, we often get it wrong. What we “think we know” from our daily […]

2025年11月7日 / Last updated : 2025年11月7日 桑子 研 Science

Smaller Than Your Phone: This “Little Giant” is Revolutionizing the Science Lab

This is Ken Kuwako, your science trainer. Every day is an experiment! When you think of science experiments, what comes to mind? Beakers? Flasks? …And that big, heavy “power supply unit”? Lugging it to the lab is a pain, and your desk ends up cluttered with cords. I’ve just found an amazing new item that […]

2025年11月7日 / Last updated : 2025年11月7日 桑子 研 Science

Finding the “Real” Night Sky: A Science Teacher’s Guide to Cosmo Planetarium Shibuya

I’m Ken Kuwako, Science Trainer. Every day is an experiment. Did you know there’s a place in the middle of the city where you can witness a breathtaking view of the “real night sky”? While many planetariums now feature amazing visual technology, a venue that takes the time to carefully explain “the stars you can […]

Posts pagination

  • «
  • Page 1
  • …
  • Page 17
  • Page 18
  • Page 19
  • …
  • Page 56
  • »

Languages

  • 日本語
  • 한국어
  • 中文
  • हिन्दी
  • Suomi
  • Español
運営者: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。理科教師として勤務する傍ら、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
I want to share the fun, wonder, and excitement of science with as many people as possible. In addition to my work as a science teacher, I also work as a "Science Trainer," providing scientific supervision for and appearing on TV programs, holding hands-on science workshops, and writing science books.

おすすめの記事等

やめられなくなる!静電気実験

きめる!共通テスト物理基礎

スクリーンショット 2014-07-05 0.43.51

大人のための高校物理復習帳

Recent posts

Escape the Chemistry Labyrinth: Master Mole Calculations with One Simple Flowchart!

2026年1月3日

The Shock of a Simple “I” That Changed the World! The Hidden Story of Electrons and Magnets Inside CRT TVs

2026年1月2日

Knock Over a Coin Without Touching It—And Make Aluminum Foil Float!? Have Fun with Eddy Current Experiments at Home! (Faraday Desk)

2026年1月1日

From Meiji-Era Models to Cutting-Edge Apps! Unraveling the Nature of Waves Through the Dance of Bees (Transverse Waves, Longitudinal Waves & Superposition)

2025年12月31日

What Happens When Light Passes Through a Prism? White Light Becomes a Seven-Color Puzzle — The World of Light Loved by Newton

2025年12月30日

A 10-Kilometer Cliff Time Travel! Discover Earth’s Memories at Choshi’s Byobugaura

2025年12月29日

Twisting Light to Create Color at Home! Turn Scotch Tape into Magical Paint — Make a Polarized Light Kaleidoscope

2025年12月28日

【Quiz】Which Is Heavier After the Cut? A Carrot at the Balance Point! – Exploring Torque with Vegetables

2025年12月27日

Visualizing Physics with a Flying Hammer! Revealing the Beautiful Path of the Center of Mass Using a Smartphone App

2025年12月26日

When Your Fridge Becomes a Lab: The Fascinating World of Standing Waves Drawn with Springs and Magnets

2025年12月25日

Category

  • experiment
  • Science

Archive

  • January 2026
  • December 2025
  • November 2025
  • October 2025
  • September 2025
  • August 2025

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
  • Podcast
  • Seminar
  • Contact
  • About
  • 日本語
  • English
  • 한국어
  • 中文
  • हिन्दी
  • Suomi
  • Español