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Alertness Stock Video Footage

Licenses 6509 high quality Alertness stock video clips in 4K, raw formats

Passage Of Time

Amnesty Films

Late night in a sci-fi city alley

Jyra Films

Nature Time Lapses

Eric Hines

Trip To Iceland

Alberto Cruzado

Born Cold - People Exploring Desert and Arctic Environments

Ben Lalande

Blonde woman dancing in kitchen with red lights flashing

A person standing outdoors at night wearing a helmet with a circular red led light

Woman on an apartment balcony talking on the phone looking at the city view during sunrise

A low-angle shot shows a pedestrian crossing signal changing from a red 'don't walk' hand to a white 'walk' person symbol on a city street

An extreme close-up macro shot of a vibrant blue human eye shows the iris and pupil reacting to changes in light

Light moves across a person's closed eye and then opened eye

Wasp nest with swirling structure hanging from branch with dry leaves against black background

Person stands on the peak of a mountain

Human brain model with human nervous system and anatomy of the brain

A dramatic sunset timelapse shows clouds moving over a large satellite dish in a remote desert valley

A softly lit orange lily blooms against a black background its petals glowing in a warm spotlight

A rocket launches into space

Portrait of a man outdoors at night on a snowy day

Man lying on his couch reading a book with a view of forested mountains in the windows

Nature Time Lapses

Eric Hines

Closeup of a newtons cradle with polished metal balls in motion in a dark studio

The planets atmosphere is green in the dark

Man talking on a cell phone while pacing in a dimly lit hallway

Monitor attached to a human statue in a dim room

A clock with a wooden frame resting on a brown table with a black background

A timelapse of a large radio telescope in a desert valley as dramatic storm clouds pass and the sun sets

Red sky and volcanic eruption plume

A pink anatomical brain model features labels like creativity and intuition embossed on its surface the camera slowly pans across the textured folds while the lighting shifts and dims dramatically

Vintage 8mm film footage captures the progression of a solar eclipse with prominent lens flares and film grain

Trip To Iceland

Alberto Cruzado

Born Cold - People Exploring Desert and Arctic Environments

Ben Lalande

A deer grazing alone in a meadow during the day

A security guard riding an escalator down

A radar tracks various objects

A cinemagraph loop shows four fighter jets flying in perfect diamond formation in super slow motion

View from a window of a person on a vast field

Man lies down among field of flowers on windy day as vehicle drives by

A mesmerizing animated journey into the event horizon of a supermassive black hole surrounded by a swirling, glowing accretion disk

The planet earth with clouds lights and atmosphere with space in the background

Surfer in swimming suit in the ocean

A medical monitor displays statistics on its screen

Light flashes on a person's eye

Woman sleeping inside the car

A man stares as lights flash

Color magnetic resonance imaging of the human brain in lateral view

A three dimensional image of a skull is spinning against a black background

A view of a bain sculpture with paint on it

A detailed macro shot of a blue-gray eye reveals the intricate iris as the pupil contracts with light and expands in darkness

A woman in a dark, smoky room slowly approaches an old television and reaches her hand out towards its glowing, empty screen

Rocket rising into the sky releasing fire and smoke

A skier stands above a mountain vista

View of a persons eye moving and blinking as a red light shines on their face

A teenage girl sleeping on the passenger seat of a car

A thoughtful woman is reflected in a blue framed car side mirror resting her chin on her hand as she looks outside

The road has a large white line painted in the middle

A footage of a lady on a surgery bed

Closeup of a sad young womans face standing on a balcony in the city at dusk

Young man in a black tank top looks forward in a dark setting lit by bluish light

Red light shines on the smoke

A man stands on top of the tall mountain looking at the skyline

A cow with horns rests in a lush green mountain pasture before beginning to graze on the grass

Generic speaker or loudspeaker icon against a black background playing music as audio visualization with sound in various frequencies as symbol for sound design or processing in the digital age

Black and white cinemagraph of a train arriving in a Chicago rail yard against the city skyline and a dramatic sky

Spherical beads in liquid in round container on black background

A squadron of four fighter jets fly in a synchronized diamond formation during a slow-motion aerial performance

View of a solar eclipse

The sun glows and shine above the curve of earth in space

Woman sits near window overlooking city at night and talks on smartphone

Day-to-night timelapse of a large hexagonal mirror array at an astronomical observatory reflecting the starry night sky

An abstract macro shot shows a clear bubble slowly rippling and shrinking against a black background

Pedestrian traffic light in operation in the city