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Aircraft are vehicles which are able to fly by being supported by the air, or in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines. Although rockets and missiles also travel through the atmosphere, most are not considered aircraft because they use rocket thrust instead of aerodynamics as the primary means of lift...

Sleep is a naturally recurring state characterized by reduced or absent consciousness, relatively suspended sensory activity, and inactivity of nearly all voluntary muscles. It is distinguished from quiet wakefulness by a decreased ability to react to stimuli, and is more easily reversible than being in hibernation or a coma. Sleep is a heightened anabolic state, accentuating the growth and rejuvenation of the immune, nervous, skeletal and muscular systems...

The universe is commonly defined as the totality of existence, including planets, stars, galaxies, the contents of intergalactic space, and all matter and energy. Definitions and usage vary and similar terms include the cosmos, the world and nature. Scientific observation of earlier stages in the development of the universe, which can be seen at great distances, suggests that the universe has been governed by the same physical laws and constants throughout most of its extent and history...

Asia is a land of fascinating nature, history and traditions, and this is exactly what photographer Weerapong Chaipuck captures on camera and shares with us in his stunning images. The Thailand-based photographer found his brand new passion for this visual art only after an early retirement from the medical profession, which makes his amazing photographic accomplishments all the more impressive...

Cosplay (コスプレ kosupure), short for "costume play", is a type of performance art in which participants don costumes and accessories to represent a specific character or idea. Characters are often drawn from popular fiction in Japan, but recent trends have included American cartoons and Sci-Fi. Favourite sources include manga, anime, tokusatsu, comic books, graphic novels, video games, hentai and fantasy movies...

Dariusz Klimczak, born in 1967 in Sieradz, a graduate of Art School in Zduńska Wola, Poland, settled with his family in a village near Łeba. Independent journalist, painter and aphorist (Grand Prix winner of the seventh edition of Aphoristic Contest in Nowy Targ, 2005). Photorgaphy for the last 25 years has been an important part of his life, but it's become his true passion few years ago. The former chairman of FOTOSIS (an association of photographers), Sieradz...