Try these curated collections

Blackboard inscribed with scientific formulas and calculations in physics and mathematics. Can illustrate scientific topics tied to quantum mechanics, relativity theory and any scientific calculations
wise man writing mathematical problem solution
Hand drawing Theory Practice concept with black marker on transparent glass board.
Theory Vs Practice Bridge the Gap Puzzle Pieces 3d Illustration
Group of people with foil on their heads discussing conspiracy theories. Friends with foil on their heads. You know, so they can't read your mind
Close up of math formulas on a blackboard
Financial technology concept. Stock chart. Investment. Fintech.
Theory and practice in balance - pictured as balanced balls on scale that symbolize harmony and equity between Theory and practice that is good and beneficial., 3d illustration
Human brain creativity vs logic chaos and order a continuous line drawing concept, organised vs disorganised left and right brain hemispheres as a chaos theory metaphor, one line vector illustration
Gravity and general theory of relativity concept. Earth and Sun on distorted spacetime. 3D rendered illustration.
Theory-Practice. Balance. Vector icon.
word theory composed of wooden cubes with letters, explain a fact or event concept, scattered around the cubes random letters, top view on wooden background
Conspiracy theory concept. All Seeing Eye and Pyramid on USA dollar banknote, macro photo with motion blur effect
close up of math formulas on a blackboard
Fake Dictionary, Dictionary definition of the word conspiracy theory. including key descriptive words.
Putting Theory Into Practice TIP acronym arrow concept handwritten with white chalk on blackboard.
businesswoman drawing theory on the wall
TIP - Theory Into Practice acronym, education concept background
wise man start writing on a empty blackboard
The hand puts a wooden cube with the letter T from the word THEORY. The word is written on wooden cubes standing on the yellow surface of the table.
Blackboard inscribed with scientific formulas and calculations in physics and mathematics. Science and education background.
Theory Into Practice - TIP written on wood wall decor. Acronym concept.
Color theory placard. Colour models, harmonies, properties and meanings memo poster design.
Brilliant Young Mathematician Is Writing on Big Blackboard and Thinking about Solving Long and Complex Equation/ Formula.
TIP - Theory Into Practice acronym, education concept background
Color theory infographics layout with multicolored wheel and subtractive complementary triadic and square schemes vector illustration
Color mixing wheels meanings properties tones combinations with explanations and circle schemes set infographic poster vector illustration
BANGKOK, THAILAND - JANUARY 08, 2019: Albert Einstein wax figure at Madame Tussauds wax museum
man think how to solve a mathematical problem
Illustration of Network, Brushstroke Texture, Abstract, Neural, Algorithm, Complexity, Deep Learning, Concept, Neural, Computing Theory, AI, Connectivity, Molecular Shape, Atom, Science, Chemistry
A 3D illustration of the now debunked competing conspiracy theory that the Earth is flat, as it appears from land, rather than spherical. Earth texture maps courtesy of NASA.gov
Science blackboard with math. Real physical equations of relativity theory, string theory and quantum mechanics. Used chalkboard with scratches and stains from chalk piece.
Abstract background - the big bang theory. Explosion flower. Rainbow colors. Origin of the Universe. Nebula beautiful, colorful. Reminds a paint spot. Explosion of a supernova star. Fantastic clouds.
Meditating businessman standing against chalkboard with connected dice sketch. Game and probability theory
Financial technology concept. Fintech. Crypto currency. Electronic money. Cashless payment. Modern Monetary Theory.
Science abstract background with formulas. Real string theory and relativity physics formulas on gradient background with chemical skeletal formula of molecules. Scientific banner for text placement.
Color theory online studying. Web design basics, drawing tutorial, interior designer. Female artist cartoon character holding pencil. Vector isolated concept metaphor illustration.
Big Bang theory vector illustration infographic. Universe time and size scale diagram with development stages from first particles to stars and galaxies to gravity and light. Cosmos history map.
theory and practice balance sign
greatest scientists from all the times
Theory concept word cloud background
Illustration of Network, Brushstroke Texture, Abstract, Color Dots, Blue Background, Algorithm, Complexity, Deep Learning, Concept, Neural, Computing Theory, AI, Connectivity, Molecular, Deep learning
Three Abstract Peterson Graphs, Grunge Texture, Mathematics Concept, deep learning, theory, cryptography, connectivity, model, neural network, laboratory, engineering, experiment, particle, construct
Fake pandemic. Conspiracy theory. Text on a gray vintage background. Vignette. Disposable surgical mask.
ISTANBUL, TURKEY - MARCH 16, 2017: Albert Einstein  wax figure at Madame Tussauds museum in Istanbul. Albert Einstein was a physicist who developed the general theory of relativity.
Cartoon Albert Einstein was a German-born theoretical physicist[5] who developed the theory of relativity He is best known to the general public for his mass–energy equivalence formula E = mc2
illustration of printing color wheel with twelve colors in gradations
Abstract minimal vector background for Computer Analytics subject: statistical analysis, data mining and machine learning. Vaporwave/ synthwave futuristic neon aesthetics style.
Illustration of Network, Brushstroke Texture, Abstract, Color Dots, Algorithm, Complexity, Deep Learning, Concept, Neural, Computing Theory, AI, Connectivity, Molecular, linear, lines
Group of people with foil on their heads discussing conspiracy theories. Friends with foil on their heads. You know, so they can't read your mind
Structure of extra dimensions in String theory in physics. 3D rendered illustration.
illustration of physics, Science of light, Particle theory and Waves Theory
 Order and Chaos

Search for "theory" in these categories

Man solving problem to have the key access to success, surreal concept
Coronavirus - Fake News, Lies, Conspiracy Theories or Truth and Facts about the Virus
Blackwork tattoo flash. Eye of Providence. Masonic symbol. All seeing eye inside triangle pyramid. New World Order. Sacred geometry, religion, spirituality, occultism. Isolated vector illustration
Tunnel or wormhole over curved spacetime. Travelling in space concept. 3D rendered illustration.
Eye of Providence. Masonic symbol. All seeing eye inside triangle pyramid. New World Order. Hand-drawn alchemy, religion, spirituality, occultism. Isolated vector illustration. Conspiracy theory.
5G radiation in a shape of COVID-19. 5G letters on smartphone silhouette hold in a hand and coronavirus image on the background. Real photo, not a a montage. 5G conspiracy fake news, arson concept.
Coronavirus fraud and covid-19 scams or medical lies and conspiracy theory as a virus scammer spreading false medical information as a long nose as fake news medicine with 3D illustration elements.
theory icon vector on white background, theory trendy filled icons from Communications collection, theory vector illustration
Polygonal vector 3d illustration concept of a hand governing our entire planet, on a dark blue background, a symbol of business, finances and
  conspiracy theories.
Color theory substractive and aditive models Color wheels
vector illustration, psychology of color, color values, red, orange, blue, yellow, green, white, pink, black, brown, purple, gray
Warning sign (conspiracy theory), vector illustration.
Coronavirus COVID-19 infection 3D question mark illustration. Floating pathogen respiratory influenza covid19 corona virus cells. Coronavirus pandemic crisis FAQ, what to do tips questions background
Fact or Fake concept, Hand flip wood cube change the word, April fools day
Practice vs Theory - Traffic sign with two options - be theoretical theorist vs practical realist. Vision and idea vs reality and difficulties of realization
Mosaic brain radiance pictogram and rectangle Theory stamps. Flat vector brain radiance mosaic pictogram of random rotated rectangle elements. Blue Theory seal stamps with scratched texture.
Group of multiethnic people in elegant wear in office discussing new project and ideas using laptop and poster looking away
Coronavirus Fake News: Treatments, Misinformation And Conspiracy Theories. Unreliable And False Information Spreading Around The World. Debunking, Hoax, Junk News Concept. COVID-19 Vector Illustration
String theory. From matter, molecule, and atom, to electrons, protons, neutrons and quarks. Quantum physics. Atomic models. theoretical framework. Vector diagram
String theory. Physical processes and quantum theory. Quantum entanglement. An abstract computer generated modern fractal. Abstract fractal element in rotational motion pattern for your design.
Theory Practice arrows concept written on yellow sticky note pinned on bulletin cork board.
Conceptual business illustration with the words nudge theory
set of 20 line icons such as color value, colory theory, content curation, content marketing, conversion, conversion rate optimization, css3, data architecture, data modelling, data visualization.
Fake, Fact. The inscription on wooden blocks on a yellow, red background. Not verified information.
dirty grunge chalkboard full of mathematical problems and formula
Flat Earth theory. Seamless pattern. Turtle and three elephants. Octopus kraken and Galileo scientist. Old school tattoo style. Traditional tattooing art
Theory into practice text on a blackboard
Black and white vector icon science physics. E=mc2. Formula for the equivalence of mass and energy. Theory of relativity. Science atom symbol icon. Vector illustration
University students putting their hands together. concept of teamwork and partnership
BARCELONA, SPAIN - APR 21, 2014: Unrecognizable woman watches, on her Apple Ipad, The Big Bang Theory, a famous American sitcom (situation comedy), isolated on white background.
Banner heading Qanon graffiti sprayed on white wall with Deep State text, copy space, conspiracy theory, deep state conservative concept
Theory Proof Evidence Found Puzzle Piece 3d Illustration
Man with a tin foil hat on his head demonstrate angry, concept conspiracy theory and schwurbler
Strange man in a foil hat. Fake news conspiracy theories concept
E = mc2 or Mass-energy equivalence equation is theory of special relativity.
E = mc2 vector illustration on white background
Conspiracy theory. Focus on newspaper news under a magnifying glass
Megaphone Hand business concept with text Reality versus Theory, vector illustration
Businessman sitting on a chair and studying math formulas on blackboard
Text "Conspiracy Theory" on a respiratory mask on a light gray background. Close up. Conspiracy Theory Concept
Storm area 51. Paleocontact. Aliens and people. UFO, conspiracy theory. Template for clothes, covers, emblems, stickers, poster and t-shirt design. Typography art. Vector illustration
A man in a medical mask put a finger to his lips. Coronavirus conspiracy thesis concept
Color theory substractive and aditive models Color wheels
Color theory with hue tint shades wheels for primary secondary and supplementary combinations schemes poster vector illustration
Atomic theory icon in filled, thin line, outline and stroke style. Vector illustration of two colored and black atomic theory vector icons designs can be used for mobile, ui, web
Sacred geometry symbols and elements background. Cosmic, universe, big bang, alchemy, religion, philosophy, astrology, science, physics, chemistry and spirituality themes. Matter, space, time.
atomic theory icon in different style vector illustration. two colored and black atomic theory vector icons designed in filled, outline, line and stroke style can be used for web, mobile, ui
String theory is a theoretical framework in which the point-like particles of particle physics. quantum theory, superstrings, a M-Theory. Quantum physics, Atomic models.
The composition of the space of time, the flight in space in a spiral of Roman clocks 3d illustration
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