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The New Book of Optical Illusions is a mind-bending collection of 150 of the most significant optical phenomena, loosely grouped into 33 chapters according to particular visual effect. An optical illusion has two elements. One is the perceived illusion, what you see. It may be merging lines, moving shapes or conflicting sizes. The other element is the scientific explanation or neuronal basis of the illusion. Here enters The New Book of Optical Illusions, which describes the latter - the science of an optical illusion. Concise text describes the history of the optical illusions and their origin. Some are ancient (like a 3D Roman mosaic in a 2nd-century BC home on Malta) and others are modern (like emoticons and street art). There are rarely seen phenomena, works by great illusionists, like M.C. Escher, and well-known illusions like the Impossible Triangle and the Albert Einstein/Marilyn Monroe portrait. Some of the illusions are: Seeing Things That Are Not There - Discovered on a BBC studio wall in the 1950s, this illusion involves shadows that seem to flit up and down along columns of stripes.Apparently the number of identical lines causes the brain to lose proper focus on what it is seeing. Flashes from the Corner of the Eye - The Scintillating Grid is a variation of the classic Hermann Grid first described in 1870. In this illusion, circles in an intersecting grid disappear and reappear elsewhere. It is a complex effect rooted in lateral inhibition, which increases the contrast between light and dark in the retina. Perfect for young and adult readers and enthusiasts of optical illusions, this is a great selection for circulating collections and retail customers.

Dragoljub Velimirovic was a former Yugoslav – Serbian, chess grandmaster whose international career was handicapped by political intrigues and his outspoken temperament. During the heyday of the USSR as the greatest national chess power, the former Yugoslavia was capable of running the Soviet Union a good second. Dragoljub Velimirovic posed a real threat to the men from Moscow.Velimirovic was born in 1942 to a prominent family from Valjevo, in the former Yugoslavia. He was introduced to chess at the age of seven by his mother, Jovanka Velimirovic, one of Yugoslavia’s leading female chess players. He died at the age 72, being one of the last players to develop a system or strategy that is so inventive it bears its creator’s name. It is a feat that is unlikely to be repeated in the modern era, when computer-based games and databases so thoroughly dominate competition that it is almost impossible to come up with something new. That does not mean that players were more talented or courageous in the decades when Velimirovic was in his prime. Velimirovic, who became a grandmaster in 1973, was never among the 20 top-ranked players in the world. And that was when there were only 200 or so grandmasters; today, there are about 2,400.

Das Buch behandelt das Kleben von Kunststoffen mit Metallen in einer f}r denPraktiker verst{ndlichen und umsetzbaren Form. Es leitet zu Klebeverfahren an, die optimale Ergebnisse hinsichtlich Qualit{t, Dauerhaftigkeit und Wirtschaftlichkeit liefern.

das Buch handelt von einem Chocolatier, dessen Leben einen sehr ungewöhnlichen Verlauf nimmt. Viel mehr kann leider nicht vorweggenommen werden.Alles nimmt seinen Anfang mit einem Testament. youtube.com/watch?v=8rAUAqb4suQ schildert die Problematik in einer nachgestellten Schlüsselszene des Buches. Ein Testament, wie es zuvor keines gegeben hat.

Aicha vorm Wald – der Name allein lässt bereits Bilder von idyllischen Landschaften, herzlichen Dorfgemeinschaften und Geschichten aus längst vergangenen Zeiten aufblitzen. Aber was weißt du wirklich über dieses charmante Stück Bayern? Hier gibt es das ultimative eBook, das auf alle Fragen, die du je über Aicha vorm Wald hattest, Antworten liefert – und das mit einem Augenzwinkern!Ob du ein waschechter Aichaner bist, ein neugieriger Tourist oder ein Historienfreund – dieses Werk ist ein wahres Mysterium an Informationen. Wusstest du, dass die Geschichte von Aicha vorm Wald nicht nur von der Landwirtschaft, sondern auch von einem gehörigen Hauch Adelsgeschichte geprägt ist? Und was hat der Turm des alten Rathauses mit der lokalen Politik zu tun? All das und mehr wird in diesem humorvollen Sammelsurium von Fragen und Antworten behandelt.Natürlich bitten wir an dieser Stelle um Nachsicht, falls einige Wiederholungsfragen auftauchen. Bei so vielen Informationen und unterschiedlichen Quellen lässt sich das leider nicht immer vermeiden. Und ja, wir müssen gestehen: Updates gibt es keine. Aber keine Sorge – das eBook ist trotzdem so frisch, wie ein kühles Bier an einem heißen Sommertag!Ein kleiner Hinweis: Unsere Recherchen könnten hier und da das ein oder andere "Oops!" enthalten. Daher empfehlen wir, besonders wichtige Informationen zur eigenen Sicherheit nochmal zu überprüfen. Schließlich kann die Geschichte auch mal ein wenig ungenau sein – vor allem, wenn man auf so viele spannende Fakten stößt!Was dich erwartet:Aicha⏳ Geschichte️ PolitikWirtschaftBaudenkmälerBodendenkmälerSchloss und HerrschaftRathausMusikschuleAlso, schnapp dir dieses eBook und lass dich von Aicha vorm Wald überraschen – in all seiner Pracht, seinen Eigenheiten und seiner Geschichte!

Albin Planinc was born in the middle of the Second World War, on 18th April 1944, in the little village of Briše, near the small town of Zagorje ob Savi, approximately 30 kilometers from Ljubljana, the capital of Slovenia. He spent his childhood with his mother Ljudmila (unofficially Milka), a simple, uneducated woman who earned money from various unskilled jobs’.This fascinating biography of over eighty-five annotated games and stories are being presented by grandmasters Georg Mohr and Adrian Mikhalchishin. It covers Planinc’ entire life and chess career, including his most fascinating games. This fitting tribute of a forgotten chess genius should be found in anyone’s chess library. Thanks to this colorful book Albin Planinc will continue to inspire us all and will keep his spirit alive.

The book you have just started reading isabout a very interesting and difficult concept: the exchange sacrifice. This isthe moment in chess when basic mathematics breaks down, the moment when 3counts equal to or even more than 5. So let us leave the mathematics aside andtry to figure out why this simple calculation is so difficult to understand.The answer is largely hidden in psychology, as the ninth World Champion, TigranPetrosian, has often told us, as the man who brought this strategic-tactical chessconcept to its first peak. Chess beginners were taught the value of pieces bytheir teachers (parents, grandparents, perhaps at school or even later in thebeginners’ sections of chess clubs). We explain the difference between piecevalues to children in the simplest way possible, with the help of a unit ofmeasurement, and in chess those units are the pawns. They tell us that a rookis worth five pawns (units) and a knight and a bishop are worth about threeeach. They also tell us to always be careful, especially during exchanges, toensure we take at least as much from our opponent as he or she took from us.So, one rook at a time, perhaps for a bishop and a knight next to two pawns.This “chess thinking” is done quickly and very strongly subconsciously in most,one could even say all. Therefore, when choosing moves, we will automaticallyreject unfavorable exchanges. But who trades a queen for a knight, a bishop fora pawn, and the like? We know from our own life experience that it is better tohave ten coins in our pocket than three, and I prefer three to one! Thispsychological barrier is the most difficult step in making the decision tosacrifice. And so it is with the sacrifice of an exchange. Five for three, thatis! Even five for four, if we get a pawn for the rook along with the knight orthe bishop. “I am not stupid,” you think. The Exchange Sacrifice Unleashedbrings different games or coaches try to explain this and that to us, we seethat a material advantage is not always something to celebrate about.

The book you have just started reading isabout a very interesting and difficult concept: the exchange sacrifice. This isthe moment in chess when basic mathematics breaks down, the moment when 3counts equal to or even more than 5. So let us leave the mathematics aside andtry to figure out why this simple calculation is so difficult to understand.The answer is largely hidden in psychology, as the ninth World Champion, TigranPetrosian, has often told us, as the man who brought this strategic-tactical chessconcept to its first peak. Chess beginners were taught the value of pieces bytheir teachers (parents, grandparents, perhaps at school or even later in thebeginners’ sections of chess clubs). We explain the difference between piecevalues to children in the simplest way possible, with the help of a unit ofmeasurement, and in chess those units are the pawns. They tell us that a rookis worth five pawns (units) and a knight and a bishop are worth about threeeach. They also tell us to always be careful, especially during exchanges, toensure we take at least as much from our opponent as he or she took from us.So, one rook at a time, perhaps for a bishop and a knight next to two pawns.This “chess thinking” is done quickly and very strongly subconsciously in most,one could even say all. Therefore, when choosing moves, we will automaticallyreject unfavorable exchanges. But who trades a queen for a knight, a bishop fora pawn, and the like? We know from our own life experience that it is better tohave ten coins in our pocket than three, and I prefer three to one! Thispsychological barrier is the most difficult step in making the decision tosacrifice. And so it is with the sacrifice of an exchange. Five for three, thatis! Even five for four, if we get a pawn for the rook along with the knight orthe bishop. “I am not stupid,” you think. The Exchange Sacrifice Unleashedbrings different games or coaches try to explain this and that to us, we seethat a material advantage is not always something to celebrate about.

Dragoljub Velimirovic was a former Yugoslav – Serbian, chess grandmaster whose international career was handicapped by political intrigues and his outspoken temperament. During the heyday of the USSR as the greatest national chess power, the former Yugoslavia was capable of running the Soviet Union a good second. Dragoljub Velimirovic posed a real threat to the men from Moscow.Velimirovic was born in 1942 to a prominent family from Valjevo, in the former Yugoslavia. He was introduced to chess at the age of seven by his mother, Jovanka Velimirovic, one of Yugoslavia’s leading female chess players. He died at the age 72, being one of the last players to develop a system or strategy that is so inventive it bears its creator’s name. It is a feat that is unlikely to be repeated in the modern era, when computer-based games and databases so thoroughly dominate competition that it is almost impossible to come up with something new. That does not mean that players were more talented or courageous in the decades when Velimirovic was in his prime. Velimirovic, who became a grandmaster in 1973, was never among the 20 top-ranked players in the world. And that was when there were only 200 or so grandmasters; today, there are about 2,400.

The Lighter Sideof Chesscelebrates the game we love from a refreshingly humorous angle. Beyond deepcalculations and serious tournament battles lies a world filled with blunders,bizarre positions, unexpected checkmates, and unforgettable moments of humancomedy.Georg and Adrian broughttogether a delightful collection of entertaining games, amusing goofs, andcurious chess facts that reveal just how funny chess can be. From legendarymasters caught in embarrassing mistakes to incredible oversights that defybelief, each chapter reminds us that even the greatest players are human—andthat laughter is part of the game.Perfect for casual reading,coffee-table browsing, or sharing with fellow chess enthusiasts, The Lighter Side of Chess is a joyful tribute to chess as asource of fun, surprise, and endless amusement. Whether you’re a seasonedcompetitor or a weekend player, this book proves that chess doesn’t always haveto be serious to be brilliant. ♟️

Using carefully selected examples, the authors want to make you familiar with the strategic ideas behind the famous Maroczy bind. These plans arising from both colors, are a must for your arsenal of chess knowledge and understanding.