Name: ヘキサフレクサゴン安全ガイド (Hexaflexagon Safety Guide)
Uploaded: 2021-01-14T10:28:06.000Z
Duration: 4 min 9 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

Hexaflexagons-- they're cool, hip, and hexa-fun

With the increasing number of hexaflexagons finding their way

into homes and schools, it's important to be aware

when engaging in flexagon construction and use.

Taking proper precautions can help avoid a flexa-catastrophe.

Do not wear loose clothing when engaging in flexagation.

so it doesn't get caught in a flexagation device.

Ties are also a common source of incidents.

Never flexagate while under the influence.

When using a hexaflexagon, sudden unexpected sides

may appear, and drugs like alcohol can slow reaction time.

If you aren't sure what kind of flexagon you're dealing with,

it's safer to temporarily disable the flexagon.

Flexagons can be disarmed by using scissors

where the paper strip was taped together,

which may appear on the edge or through the face

can be cut apart right through a triangle, or on three edges

if you want to retain symmetry, or into nine separate triangles

You can even cut them in half down the length of the paper

If it has nine triangles, that's 18 triangle sides.

made from a double strip of triangles that have been folded

in half, so that marker doesn't bleed through.

Don't let yourself be fooled by the extra triangles.

Avoid danger during hexaflexagon construction.

If you're not working from a printed pattern,

you might start your flexagon by picking a point

on the edge of a strip of paper, folding that 180 degree

angle into thirds to create 360 degree angles,

and then using the equilateral triangle that results

as a guide to fold the rest of the strip of paper,

this could easily lead to becoming unreasonably amused

with the springy spring of happy triangles that results.

Always keep your hexaflexagon in good working order.

before configuring them into hexaflexagonal formation

will help your flexagon operate properly and avoid accidents.

Keep a close watch on the chirality of your hexaflexagon.

That is, whether it is right or left handed.

Notice how in this hexaflexagon, water flows

Well, in this hexaflexagon, it flows counter-clockwise.

The chirality is decided when you fold and tape

your triangles into a twisty loop, and once taped,

at least in three-dimensional euclidean space.

through four-dimensional space and is possibly a highly

can construct a hexaflexagon in mere seconds.

by folding a double strip that's too long

This is an advanced technique that should not

This family seems safe from this philosoraptor,

with a cold, empty vacuum of space between them.

But after a single flex, the unfortunate victims

are now doomed, protected only by the inconsequential barrier

Your stars might explode, your frowns may become smiles,

Perfectly healthy snakes may turn into snake loops,

as having no head can lead to starvation.

This can be avoided by simply marking where connections will

Afterwards, the lines can be filled in however you like.

So you can simply draw one side where triangles connect,

But in the hexa-hexaflexagon, the main three

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ヘキサフレクサゴン安全ガイド (Hexaflexagon Safety Guide)

engage

properly

technique

experience