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Harald Sack

chemistry
Justus von Liebig and the Agricultural Revolution

Justus von Liebig and the Agricultural Revolution

Harald Sack
On May 12, 1803, German chemist Justus Freiherr von Liebig was born, who made major contributions to agricultural and biological chemistry. He is probably best known as the “father of the fertilizer industry” for his discovery of nitrogen as an essential plant nutrient. The acquisition of a new truth is like the acquisition of a new sense, which renders a man capable and recognizing a large number of phenomena that are hidden…
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art
The Surreal Dreams of Salvador Dalí

The Surreal Dreams of Salvador Dalí

Harald Sack
On May 11, 1904, Spanish surrealist artist Salvador Domingo Felipe Jacinto Dalí i Domènech, Marquis of Dalí de Púbol was born. As one of the main representatives of surrealism, he is one of the most famous painters of the 20th century. Around the year 1929 Dalí had found his personal style and genre, the world of the unconscious that appears in dreams. “Someone like myself, who claimed to be a real madman,…
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chemistry
Mary the Jewess and the Origins of Chemistry

Mary the Jewess and the Origins of Chemistry

Harald Sack
Mary the Jewess (also known as Maria Prophetissima or Miriam the Prophetess) is a figure who first appeared in the works of the Gnostic Christian writer Zosimos of Panopolis, whose sources for this are not clear. On the basis of Zosimos’s comments, she lived between the first and third centuries A.D. She is credited with the invention of several kinds of chemical apparatus and is considered to be the first true alchemist of the…
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photography
You Press the Button and We Do the Rest – George Eastman revolutionized Photography

You Press the Button and We Do the Rest – George Eastman revolutionized Photography

Harald Sack
On May 5, 1885, George Eastman filed a patent for a “Roll Holder for Photographic Films“, which was the first film in roll form to prove practicable. Based on his newly invented roll film and a rather simple camera for that film, he established the Eastman Kodak Company, in Rochester, New York. It was one of the first firms to mass-produce standardized photography equipment. Roll Film Ok, please hold on before you…
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communication
SPAM Rules the Internet

SPAM Rules the Internet

Harald Sack
On May 3, 1978, the earliest documented spam (although the term had not yet been coined) was sent as a message advertising the availability of a new model of Digital Equipment Corporation computers sent by Gary Thuerk to 393 recipients on ARPANET. A Global Issue Today, spam has become a global issue that is not only restricted to email. There is spam in instant messaging, newsgroups, social networks, mobile phones, online gaming,…
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photography
Frederick Scott Archer and the Collodion Process

Frederick Scott Archer and the Collodion Process

Harald Sack
On May 2 1857, British sculptor and photographic pioneer Frederick Scott Archer passed away. Frederick Scott Archer invented the photographic collodion process which preceded the modern gelatin emulsion. The complex process required the photographic material to be coated, sensitized, exposed and developed within the span of about fifteen minutes, necessitating a portable darkroom for use in the field. Frederick Scott Archer’s Way to Photography Frederick Scott Archer was born in 1813 in…
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architecture
The Great Exhibition and the Crystal Palace

The Great Exhibition and the Crystal Palace

Harald Sack
On May, 1st, 1851, Queen Victoria opened the Great Exhibition in the Crystal Palace in Hyde Park, London, which was the first in a series of World’s Fair exhibitions of culture and industry. A special building, nicknamed The Crystal Palace, a gigantic cast-iron and plate-glass building, was built to house the show on its 92,000 square meters of exhibition space to display examples of the latest technology developed in the Industrial Revolution. If you…
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space
Dennis Tito, the very first Space Tourist

Dennis Tito, the very first Space Tourist

Harald Sack
On April 28, 2001, American engineer and multimillionaire Dennis Tito joined the Soyuz TM-32 mission to the International Space Station ISS, spending 7 days, 22 hours, 4 minutes in space and orbiting Earth 128 times. He paid $20 Mio for his trip, which made him the very first space tourist in history. Space Travel Who ever thought that space tourism would become possible? To travel in space simply for recreational, leisure or…
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history
How the Chernobyl Disaster Started

How the Chernobyl Disaster Started

Harald Sack
On Saturday 26 April 1986, at the No. 4 nuclear reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the north of the Ukrainian SSR, the Chernobyl nuclear disaster started. It is considered the worst nuclear disaster in history and is one of only two nuclear energy disasters rated at seven — the maximum severity — on the International Nuclear Event Scale, the other being the 2011 Fukushima…
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physics
Wolfgang Pauli and the Pauli Principle

Wolfgang Pauli and the Pauli Principle

Harald Sack
On April 25, 1900, Austrian-born Swiss theoretical physicist Wolfgang Ernst Pauli was born. Pauli is one of the pioneers of quantum theory. In 1945, Pauli received the Nobel Prize in Physics for his “decisive contribution through his discovery of a new law of Nature, the exclusion principle or Pauli principle.” The discovery involved spin theory, which is the basis of a theory of the structure of matter. “At the dawn of religion,…
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