In video, what does 'fps' stand for?
AnswerFrames per second
Frames per second is the number of still images shown each second to create smooth motion.
Film & TV · Facts & stats
Challenge Cam facts & stats
7 fact-checked facts about filming challenges on camera, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What is a small camera connected to a computer for video calls called?
AnswerA webcam
A webcam streams video to a computer, often built into the top of a laptop screen.
Going deeper
How is smooth slow-motion video usually made?
AnswerRecording at a high frame rate and playing back at a normal rate
Capturing, say, 120 frames per second and playing at 30 stretches each second of action to four seconds.
What is a gimbal used for in filming?
AnswerKeeping the camera steady as it moves
A motorised gimbal uses sensors and motors to counter hand movements for smooth footage.
A one-minute video recorded at 30 frames per second contains how many frames?
Answer1,800
60 seconds times 30 frames per second equals 1,800 frames.
Expert level
Which photographer captured a galloping horse in a sequence of photos in 1878, showing all four hooves off the ground?
AnswerEadweard Muybridge
Eadweard Muybridge used a row of cameras triggered in sequence to settle how a galloping horse moves.
What is a zoetrope?
AnswerA spinning cylinder with slits that makes pictures appear to move
Looking through the slits of a spinning zoetrope at a strip of drawings creates the illusion of motion.
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