# Topic:how to

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## How to make a paper airplane that flies far: Strike Eagle

A tutorial by paper airplane engineer Mahir Cecen, this is how to make a paper airplane that flies far. In fact, all of Cecen's paper plane videos are titled that, so you'll have to test them all out and let us know w...

## How to Make the World’s Simplest Electric Toy Train

How to make the World's Simplest Electric Toy Train from the Amazing Science YouTube channel, a super delightful science experiment that will wow kids, friends, family, science classes... pretty much everyone on the p...

## How to fold The World’s Best Paper Airplane

If you want to fold the world's best paper airplane, how do you know it's the best? Watch the video! In 2012, former Cal Berkeley quarterback Joe Ayoob officially broke the Guinness World Record by flying a John Colli...

## How To Draw Your Hand In 3D

Here’s a fun, quick trick: How To Draw Your Hand In “3D”. What other things around the house or outside can you use this technique with?

## Turning a brick of melted crayons on the lathe

What can you make when you melt 256 crayons? Peter Brown of Shop Time experimented with making a Rainbow Crayon Bud Vase on the lathe. Side effect: Shredded crayon bits everywhere.

## Make a 3D “hologram” using your smartphone & a CD jewel case

Create a 3D hologram illusion with your smartphone! This DIY tutorial by Arun Maini, inspired by YouTuber American Hacker, shows us how with the help of an old CD jewel case, some graph paper, a pen, scissors, an x-ac...

## Fold & Cut Theorem – Cut any shape from only one cut

Can you cut a square from the center of a piece of paper with just one straight cut? Spoiler: YES, you can. In this Numberphile video, Manchester-based mathematician Dr. Katie Steckles demonstrates an idea that dates ...

## How to build your own Wave Machine physics demo

This National STEM Centre DIY Wave Machine demo is a perfect hands-on experiment for home or in the classroom. The ingredients: Duct tape, wooden kebab skewers, and jelly babies, (or dots... or maybe gummy bears if th...

## How to make a Popsicle Stick Chain Reaction

Have you seen that crazy popsicle stick chain reaction video in the archives? This Sick Science tutorial explains how to make it. Why does it work? The key to the Popsicle Chain Reaction comes from potential and ki...

## How To Make Mini Donut Cookies – SweetAmbs

Cookies that look like mini donuts! Cookie decorating artist Amber Spiegel demonstrates how to make these bite-size desserts look like donuts, crullers, cinnamon buns, and more thanks to the detail that she puts into ...

## How to make fizzy bottle rockets – ExpeRimental

This ExpeRimental episode from The Royal Institution is full of super explosive fun. Danielle and Michael show a group of kids how to make fizzy bottle rockets with some small, sports-capped plastic bottles, some Alka...

## How to make Halloween jack-o-lanterns with scary teeth

How scary and realistic do faces look when you give them big teeth? YouTuber DaveHax demonstrates five pumpkin carving techniques for making your own scary and surprising Halloween Jack-o'-lanterns, including how to: ...

## How to create chocolate out of nothing

Geometry has never looked so sweet… or perplexing: Mariano Tomatis shows us how to create chocolate out of nothing. Related reading: Curse of the crystal skulls and other vanishing area puzzles and the missing ...

## How to Make Balancing Sculptures – ExpeRimental

Physics! Engineering! Kinetic sculptures! Snacks! Learn about the science of stability (and instability) while making these delicious DIY balancing sculptures. In this episode of the Royal Institution's ExpeRiment...

## Quirkology’s 10 Amazing Optical Illusions (and how to make them)

From former magician/current author and British psychologist Richard Wiseman, enjoy these 10 amazing DIY optical illusions that you can try at home: A LEGO impossible object, a kiwi triangle, an appearing straw, an up...

## How to make a mechanical snail coin bank

Designer Christopher Blasius makes small wooden machines and then shares his designs online, including plans that can be purchased. Watch as he carefully cuts, glues, drills, sands, paints, and precisely fits together...

## The Magic Moment: Work by paper engineer Peter Dahmen

From sketches, to prototypes, to finished three dimensional pieces, Germany-based paper engineer Peter Dahmen infuses his passion for movement into his paper structures and pop-up cards. In this film by Christopher He...

## How to make a coin sorting machine with cardboard

With some thick cardboard, a cutting knife, some hot glue, a ruler, and probably a bit of trial and error, you can create your own DIY coin sorting machine. The key to the sorting "mechanism" is to cut the right size ...

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