Science is Magic

93

infrared type

of light that

feels warm but is

invisible to humans

Jastrow illusion

visual trick in which

two identical curved

shapes are placed

together in a way

that makes them

look like they are

different sizes

levitation act of

rising or floating

in the air

light spectrum

range of light

colors, from red

to violet, that our

eyes can detect

lung capacity total

amount of air that

someone can take

into their lungs

after breathing in

very deeply

magnet piece

of iron or other

material that can

attract another

magnetic material

meditation

practice of clearing

or focusing the mind

oil liquid that does

not mix with water

optic nerve bundle

of nerves carrying

electrical signals

from the retina in

the eye to the brain

photoreceptor

type of cell in the

retina of the eye

that detects light

pixel tiny area on

a display screen.

Many pixels make

up an image

polymer groups

of atoms locked

together in a

long chain

retina light-

sensitive lining

at the back

of the eye

sensor electronic

device in a digital

camera that uses

light to form an

image made up

of pixels on the

display screen

solar wind fast

stream of particles

flowing out of the

sun and across the

solar system

surface tension

force caused by

tiny water particles

sticking to each

other, forming

a type of skin

on the surface

tendon band of

tough tissue that

connects a muscle

to a bone

Jastrow

illusion

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