Skip to the content Skip to the Navigation

科学のネタ帳

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

April 2026

  1. HOME
  2. April 2026
2026年4月8日 / Last updated : 2026年4月8日 桑子 研 Science

A Magic Trick to Keep Your Cake Spotless! The Surprising Science Behind “Frozen Candles” (Melting & Boiling Points of Paraffin)

I’m Ken Kuwako, your Science Trainer. To me, every day is an experiment. Is there anything more magical than the moment you blow out the candles on a special celebration cake? It’s pure happiness—until you notice a trail of melted wax dripping all over your beautiful frosting. “Oh no, there goes the decoration…” It’s a […]

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

Not a Broadleaf Tree?! The Truth Behind Ginkgo’s Fan-Shaped Leaves—A Living Fossil Revealed (Plant Guide)

I am Ken Kuwako, your Science Trainer. Every day is an experiment! Golden ginkgo trees are the crowning jewels of autumn streets. When we see those fan-shaped leaves fluttering down, most of us think, “What a beautiful broadleaf tree!” But if you crack open a textbook, you’ll find a surprising truth hidden beneath those yellow […]

2026年4月6日 / Last updated : 2026年4月6日 桑子 研 Science

A Split-Second Miracle! Capture the “Law of Inertia” Hidden Inside a Water Balloon!

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Have you ever taken a really close look at the exact moment a water balloon pops? To our eyes, it’s a blink-and-you-miss-it event, but that tiny fraction of a second is packed with the beauty and mystery of physics. Today, I’ll show you […]

2026年4月5日 / Last updated : 2026年4月5日 桑子 研 Science

The Moment Play Turns into Learning! The “Magic of Math” Hidden in Spirograph Patterns (Desmos Programming)

Hi, I’m Ken Kuwako, your Science Trainer. Life is one big experiment! Do you remember playing with a “Design Ruler” when you were a kid? It’s that magical toy where you place a pen inside a small plastic gear and spin it around to create intricate, mesmerizing geometric patterns. As it turns out, hidden behind […]

2026年4月3日 / Last updated : 2026年4月3日 桑子 研 Science

Visualize Invisible Electric Potential in 3D! An Amazing Science Craft Using a Lunchbox Lid

I’m Ken Kuwako, your science trainer. For me, every day is an experiment. The world of electricity is invisible to the naked eye, but have you ever wondered what it would look like if we could actually see it? In physics class, we learn about the concept of electric potential, but it’s often hard to […]

Posts pagination

  • «
  • Page 1
  • …
  • Page 4
  • Page 5
  • Page 6
  • »

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