Science is Magic

56

YOU WILL NEED

Pencil or pen

Tracing paper or thin paper

First make your

prediction. Do

you think the top

curve is the longer

of the two? Or

is the bottom

one longer?

1

Here’s a simple but mysterious

visual trick that scientists can’t

explain. Can you figure out which

of the two curves above is longer?

C

U

R

I

O

U

S

C

U

RVES

W

HI

CH

C

U

RV

E^

IS^

LO

NGER?

US_056-057_Curious_curves.indd 56 12/09/2018 15:50