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Flag of England, the predominant constituent unit of the United Kingdom, occupying more than half the island of Great Britain.

English background in national coloures red and white with a flag

Flag of Finland

Flag of Scotland, the most northern part of the United Kingdom.

Flag of Cape Verde

Flag of El Salvador

Flag of Egypt

Illustrated collection of flag icon set for the United kingdom

British flag icon for all nations in the united kingdom

Flag of Netherlands Antilles, five islands in the Caribbean Sea, an autonomous part of the Kingdom of The Netherlands.

Illustrated version of the british flag ideal for a background

旭日旗　国旗　背景　壁紙

旭日旗　国旗　背景　壁紙

旭日旗　国旗　背景　壁紙

旭日旗　国旗　背景　壁紙

The rocker, or cradle, form of placer mining enabled one miner to handle more material than by simple panning.

British flag blowing in the wind ideal background

Flag of Dominica

Australian flag wrapped around itself with a drop shadow

The artery wall and the ultrastructure of the smooth muscle cells within it.

vector silhouette of the candle on white background

Historical flag of the United States of America

fingerprinted flag of United Kingdom

fingerprinted flag of United Kingdom

dotted flag of United Kingdom

Vegetation profile of a boreal forest. The tree layer consists mainly of conifers, and mosses are the predominant ground cover.

Flag of the Republic of the Congo

Three models of hyperbolic geometry: the Klein-Beltrami model, the Poincare disk model, and the Poincare upper half-plane model.

Flag of the Republic of Georgia

Flag of Greenland, a self-governing province in the North Atlantic Ocean and a part of the Kingdom of Denmark.

Flag of Faroe Islands, a self-governing region within the kingdom of Denmark located in the North Atlantic ocean.

Historical flag of Eritrea, a country on the horn of Africa, from 1993 to 1995.

silhouettes of people in front of an united kingdom flag

Collection of abstract british grunge flags with color variation

British brain, conceptual artwork

Flag of the United Kingdom

red white and blue british flag with dark reflection

Aged great british flag icon with red white and blue colours

Grunge british flag in red white and blue with old aged effect

Cross-section showing component parts of arteries and veins

国別図_イギリス_国旗

The existence of parallel magnetic anomalies in the oceanic crust corroborates the hypothesis of seafloor spreading .

vector illustration of the fox

Flag of France

Flag of Germany

Flag of Italy

silhouette of the cancer on white background

The weather model of meteorologist Edward Lorenz.

vector silhouette of the smith on white background

vector silhouette of the burnted match on white background

vector silhouette of the burnted match on white background

国別図_ネパール_国旗

Flag of Equatorial Guinea

Flag of Chile

Flag of China

Flag of Haiti

Flag of Iceland

Flag of South Korea

Flag of Laos

Flag of Lebanon

Flag of Malta

Flag of the Dominican Republic

Flag of The Gambia

Flag of the Democratic Republic of the Congo (formerly Zaire)

The "Starburst Flag" of Macedonia, a country in the southern Balkans, used from 1992 to 1995.

Historical flag of Ethiopia, a landlocked country on the horn of Africa, from 1991 to 1996.

Historical flag of Serbia and Montenegro (formerly the flag of Yugoslavia)

Flag of Guernsey, a crown dependency of the United Kingdom.

Historical flag of Belarus, a country in Eastern Europe, used in the early 20th century and from 1991 to 1995.

Delaware state flag

Rhode Island state flag

Liu Hui's "Tangram" proof that the sum of the squares on the sides of a right triangle equals the square on the hypotenuse.

Flag of Nova Scotia, a Canadian province located on the eastern seaboard of North America.

close-up of girl holding flag

A demonstration of the fundamental theorem of similarity, showing that small and large triangles are similar.

Thales of Miletus proof that for any chord AB in a circle, all of the angles subtended by points on the same semiarc are equal.

An example of a hyperbolic paraboloid. The figure shows part of the hyperbolic paraboloid x2/a2 - y2/b2 = 2cz.

Proof that the area of a triangle = 1/2 base x height.

Illustration of the three basic theorems that triangles are congruent: side-angle-side, angle-side-angle, and side-side-side.

An annular strip (region between two concentric circles) cut and bent into a helical strake following the contour of a cylinder.

Flag of Germany with detail of crest.

British flag inspired by a stamp with drop shadow

Grunge british flag icon with light reflection and silver bevel

A checkerboard, or draughtboard, set for play.

British flag wrapped around itself with a drop shadow

Visual demonstration of the Pythagorean theorem.

Pappus's theorem proved the formula for the volume of the solid torus obtained by rotating the disk of radius a around line L.

Proof, attributed to the Pythagoreans, that the sum of the angles in a triangle is 180 degrees.

Star of David

Elements of a typical Prony brake, which develops mechanical friction on the periphery of a rotating pulley.

The three families of conic sections (ellipse, parabola, and hyperbola) result from intersecting a plane with a double cone.

Seasons change because more direct sunlight falls on some parts of Earth than others at different times of the year.

Flag of Togo

Paper cut of Chinese zodiac snake

Union jack flag for the royal wedding of kate and william

Glycolysis, the dissolution of sugar, is carried out in the cytoplasm of cells.

Historical flag of the Russian Empire from 1914 to 1917.

Flag of Cyprus

vector drawing of the dog on white background

The normal, or perpendicular, at each point of a surface defines the corresponding tangent plane, and vice versa.

Comparison of cross-sections from a CD and from a DVD, illustrating the reason for the greater capacity of a DVD.

Red amrble icon with a drop shadow

vector silhouette red fire on white background

burning sketch on white background. vector

ラフレシア

The bottom views of a mechanical and an optical mouse, detailing their components.

A saddlepoint, or entry, in a payoff matrix at which the expected gain of each participant has the highest guaranteed payoff.

Czech Republic flag

Part of the elliptic paraboloid z = x2 + y2 which can be generated by rotating the parabola z = x2 (or z = y2) about the z-axis.

日章旗パターンのイラスト

Set of white bear silhouettes

Head of a northern cardinal (Cardinalis cardinalis)

Transverse section of an artery.

Historical flag of France, a country in Europe, from about 1370 to 1600.

カーネーション

カーネーション

ハート

Illustration of colorful triangles

甘エビ

伊勢エビ

毛ガニ

スジコ

松葉ガニ

サクランボ

スイカ

リンゴ

リンゴ

サクランボ

Story of a cartoon bomb at different stages with shadow

vector silhouette of the bird on fire on white background

Light waves matching the orientation of the molecules of a polarizing filter are absorbed, reducing the intensity of the light.

The onset and retreat of the West African monsoon with respect to the timing of the direct rays of the sun.

The Michelson interferometer measures the effect on the speed of light of the motion of the ether through which light travels.

vector drawing of the human trace

vector drawing of the young girl

The process of cell division by mitosis.

The components of a personal computer system.

獅子舞

Diagram of the operating process of a laser printer.

Diagram of the operating process of an inkjet printer.

Flag of Djibouti

Flag of Fiji

Flag of Israel

Evolutionary history of the globin genes. The dots indicate the duplication of ancestral genes, giving rise to new gene lineage.

Flag of British Columbia

Flag of Bulgaria

Flag of Burkina Faso

Flag of Burundi

Flag of Cambodia

Flag of Cameroon

Flag of Canada

Flag of Chad

Flag of Colombia

Flag of East Timor

Flag of Eritrea

Flag of Ghana

Flag of Grenada

Flag of Guinea

Flag of Guinea-Bissau

Flag of Guyana

Flag of Hungary

Flag of Iran

Flag of Iraq

Flag of Japan

Flag of Jordan

Flag of Kenya

Flag of North Korea

Flag of Kuwait

Flag of Kyrgyzstan

Flag of Latvia

Flag of Liberia

Flag of Liechtenstein

Flag of Lithuania

Flag of Luxembourg

Flag of Macedonia

Flag of Madagascar

Flag of Malawi

Flag of Malaysia

Flag of Maldives

Flag of Mali

Flag of Romania

Flag of Russia

Flag of Western Samoa

Flag of Senegal

Flag of Yemen

Historical flag of Yugoslavia

Three types of natural selection, showing the effects of each on the distribution of phenotypes within a population.

剣先イカ

鮭切身

ボタンエビ

丸鶏

スイカ

vector silhouette of the girl on white background

silhouette of the young girl on white background

Human arterial supply and venous drainage of the organs.

Diagram demonstrating the progression of an arterial embolism

The diffusion of water across a semipermeable membrane.

The steps involved in the engineering of a recombinant DNA molecule.

Electrocardiogram of the alternating contractions during one heartbeat and a diagram of the heart's impulse-conducting system.

The figure shows part of the graph of the polynomial equation y = 3x4 - 16x3 + 6x2 + 24x + 1.