Million Whys Press logo
Million Whys PressToronto
← Book 26 videos

Book 26, Question 140 · Video

How do you improve an invention again and again?

Video · 1:48 · Crafty Clover explains, from A Million Whys Book 26

Making something better in steps is called iteration. Build a version, test it, find what's wrong, and fix it. Then build version two and test again. Each round teaches something. Write down changes so you can see what helped. Some inventions go through hundreds of versions, but even three rounds can make your project much better.

Read the full answer →

What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. How do you improve an invention again and again?

The Big Idea

Your first version probably won't be perfect. That's okay! Inventors improve things again and again.

The Cycle

Step one: The Cycle. Making something better in steps is called iteration. Build a version, test it, find what's wrong, and fix it.

Version Two

Step two: Version Two. Then build version two and test again. Each round teaches something new.

Keep Notes

Step three: Keep Notes. Write down changes so you can see what helped. Some inventions go through hundreds of versions, but even three rounds can make a project much better.

A Closer Look

Let's take a closer look! Make it. Try it. Spot problems. Do it again.

Quick Facts

Quick facts! Iteration means repeating a cycle of making and improving. Track every change. Three rounds help a lot. Don't give up.

Think Like a Scientist

Now, think like a scientist! With a grown-up, make a paper airplane. Test it by throwing gently, away from faces. Make three improved versions. Measure how far each flies. Which one flew farthest?

Outro

Inventors improve inventions through iteration: build, test, find problems, and fix them, again and again. Keeping notes shows what helped, and even three rounds can make a big difference. Every version gets you closer to great. Patience pays off for inventors. Science is amazing! Keep asking questions! The more you look around, the more wonders you will find, so keep your eyes open! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

Why I wrote this