SciHi Blog

A Wire to Connect the World – Stephen Gray’s Discovery

A Wire to Connect the World – Stephen Gray’s Discovery

In a famous experiment Stephen Gray demonstrated static electricityby charging a boy suspended by insulating strings in 1744 Today for us it’s pretty normal that electricity can be transmitted on a wire, because it’s part of our daily life. But, in the early 18th century, when the English nature-scientist Stephen Gray was able to show that electricity really can be transmitted on a string of copper, it was an unheard-of…
Murder in the Bathtub – Jean Paul Marat and Charlotte Corday

Murder in the Bathtub – Jean Paul Marat and Charlotte Corday

The Death of Marat by Jacques-Louis David (1793) On July 13, 1793, the ‘martyr of the revolution’, Jean Paul Marat was assassinated by Charlotte Corday, a 24 year old girl. The physician, natural scientists, and political activist was a member of ‘the Mountain‘, a group active during the French Revolution, and author of the radical newspaper ‘L’Ami du peuple‘. Jean Paul Marat grew up in Neuenburg, which was ruled by the…
Never Stop Looking into Nature – Henry David Thoreau

Never Stop Looking into Nature – Henry David Thoreau

Henry David Thoreau (1817-1862) On July 12, 1817, philosopher and author Henry David Thoreau was born. He is probably best known today for his book ‘Walden‘, a reflection upon simple living in natural surroundings, as well as for his essay ‘Civil Disobedience’, an argument for individual resistance to civil government in moral opposition to an unjust state. Thoreau may be the most quoted American author. Excerpts from his writings surface…
The time you enjoy wasting is not wasted time – Bertrand Russell, Logician and Pacifist

The time you enjoy wasting is not wasted time – Bertrand Russell, Logician and Pacifist

Bertrand Russel from the Graphic Novell ‘Logicomix – The Epic Search of Truth’ On July 11, 1906, mathematician and philosopher Bertrand Russell was suspended from Trinity College, Cambridge due to his engagement in pacifist activities. The remarkable Bertrand Russell, a philosopher, logician, mathematician, historian, and social critic was best known for the famous ‘Principia Mathematica‘, which he published along with Alfred North Whitehead between 1910 and 1913. Bertrand Russel was born…
Smile! Harvey Ball and his famous icon

Smile! Harvey Ball and his famous icon

This is a smiley 🙂 The inventor of the smiley, Harvey Ball, was born July 10, 1921 . In December 1963, commercial artist Harvey Ball was assigned to create a smiling face for an insurance company in order to improve their employee morale. In between about 10 minutes, he drew two dots and a smile into a yellow circle and the smiley was born. More than fifty million buttons were…
To Boldly Go Where No Man Has Gone Before – Voyager 2

To Boldly Go Where No Man Has Gone Before – Voyager 2

Jupiter with the great red spot shot from Voyager 1© NASA/CalTech/JPL On July 9, 1979 the interplanetary spacecraft Voyager 2 passed Jupiter, the largest planet in the Solar System. The space probe had been launched by NASA on August 20, 1977 to study the outer Solar System and eventually to push forward into interstellar space. Until today,  operating for more than 30 years the spacecraft still receives routine commands and…
Gothic – The Life and Works of Percy Bysshe Shelley

Gothic – The Life and Works of Percy Bysshe Shelley

Percy Bysshe Shelley (1792-1822) On July 8 1822 the great English Romantic poet Percy Bysshe Shelley was drowned near the Italian coast. He was one of the major English Romantic poets and is critically regarded as among the finest lyric poets in the English language. Shelley was famous for his association with John Keats and Lord Byron. And actually he was married with novelist Mary Wollstonecraft Shelley, the author of the…
Elementary, my Dear Watson! – Sir Arthur Conan Doyle and his famous Sherlock Holmes

Elementary, my Dear Watson! – Sir Arthur Conan Doyle and his famous Sherlock Holmes

Photograph of Basil Rathbone as Sherlock Holmes Â© New York Public Library Digital Collection. Sir Arthur Conan Doyle, who died 82 years ago today in 1930, was one of the most prolific, versatile and successful authors of the late 19th and early 20th century. Besides his best known character, the ‘consulting detective’ of the London police, Sherlock Holmes and his dear friend and advisor Dr. John Watson, he also wrote science…
The misjudged Math Teacher – Georg Simon Ohm

The misjudged Math Teacher – Georg Simon Ohm

Georg Simon Ohm(1789 – 1854) On this day in 1854, the Bavarian physicist and mathematician Georg Simon Ohm passed away, he was best known for his research on electricity and it was him to initiate the subject of circuit theory. The SI unit of electrical resistance and Ohm’s law are named after this Bavarian ‘teacher’. Ohm’s intention was to develop a formula dealing with the effects of flowing electricity and…
Sir Isaac Newton and the famous Principia

Sir Isaac Newton and the famous Principia

Sir Isaac Newton(1642 – 1727) On July 5, 1687, Sir Isaac Newton published his Philosophiae Naturalis Principia Mathematica (in Latin). It is to be considered as the most influential work of Sir Isaac Newton and as one of the greatest scientific works of all time. The original impulse to work on the Principia gave Edmund Halley, the English scientist known for his calculations on the orbits of comets and for being the…
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