Geniuses

Geniuses born today: December 13

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Heinrich Heine

Birthdays

Discover which Genius was born on your Birthday & send brilliant birthday wishes!

Which term refers to the sum total of all life on Earth?

Biosphere Hydrosphere Lifeiosphere

Choose one of the answer options

genius michael faraday

Michael Faraday

Michael Faraday

genius michael faraday

genius oswald avery

genius ludwig van beethoven

genius zeno of elea

William Cullen Bryant

An American romantic poet, journalist, and long-time editor of the New York Evening Post.

Roger Bacon

A medieval English philosopher and Franciscan friar who placed considerable emphasis on the study...

Anaximander

A pre-Socratic Greek philosopher

Walter Raleigh

An English statesman, soldier, spy, writer, poet, explorer and landed gentleman who played a lead...

Niels Bohr

A Danish physicist who made foundational contributions to atomic structure and quantum theory, fo...

Hipparchus

A Greek astronomer, geographer, and mathematician who is considered the founder of trigonometry a...

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How Was Avogadro’s Number Determined?

How Was Avogadro’s Number Determined?

scientificamerican.com

Contrary to the beliefs of generations of chemistry students, Avogadro’s number—the number of particles in a unit known as a mole—was not discovered by Amadeo Avogadro (1776-1856). Avogadro was a lawyer who became interested in mathematics and physics, and in 1820 he became the first professor of physics in Italy. Avogadro is most famous for his hypothesis that equal volumes of different gases at the same temperature and pressure contain the same number of particles.The first person to estimate the actual number of particles in a given amount of a substance was Josef Loschmidt, an Au...

The Life and Work of Daniel Bernoulli

The Life and Work of Daniel Bernoulli

pumpsandsystems.com

Have you ever noticed that the pressure produced by a centrifugal pump is usually lower when measured at the volute discharge than when measured downstream of the concentric increaser that connects the pump to the piping system? Does pressure have something to do with pipe diameter?The work of Daniel Bernoulli explains a lot about the flow of fluids, and his work was one of the earliest examples of conservation of energy. This two part series will briefly describe the life and work of Daniel Bernoulli and provide examples of how we in the pump industry still benefit from his work in ...

Howard Florey: The Making of a Great Scientist

Howard Florey: The Making of a Great Scientist

jamanetwork.com

In 1945 the Nobel Prize for Physiology and Medicine was awarded to Fleming, Chain, and Florey in recognition of their contributions to the discovery and development of penicillin. Dr Gwyn Macfarlane now presents an extensively researched tribute to Florey, tracing his scientific ideas from germination to fruition. Letters, papers, notebooks, and diaries are sources for an often exciting, sometimes humorous, almost always compassionate volume. Historical and biographical vignettes of men such as Jenner, Lister, and Pasteur are also included and prepare the backdrop against which Florey's tho...

Goodbye homunculus

Goodbye homunculus

If there is one thing that I remember with mixed feelings from my biology classes, it is Nicolaas Hartsoeker's drawing of the homunculus from 1694, which shows a tiny man curled up inside a sperm, or animalcules as they were called then. Finally, a clear male contribution to human life had been discovered in the form of sperm, first observed under the microscope by Antonie van Leeuwenhoeck and his students, among them Hartsoeker.Quickly, the idea came up that sperm could carry a miniature human being, which led to Hartsoeker's iconic sketch of the homunculus. Some researchers of the time even claimed to have seen preformed humans inside the sperm, and that the sperm of different species resembled the future animals they would give rise to....

How Was Avogadro’s Number Determined?

The Life and Work of Daniel Bernoulli

Howard Florey: The Making of a Great Scientist

Goodbye homunculus

Glenn T. Seaborg

THE RISE, DISAPPEARANCE, AND RETIREMENT OF GOOGLE CO-FOUNDERS LARRY PAGE AND SERGEY BRIN

Computer Science

THE RISE, DISAPPEARANCE, AND RETIREMENT OF GOOGLE CO-FOUNDERS LARRY PAGE AND SERGEY BRIN

No two tech executives are quite as enigmatic and private as Google co-founders Larry Page and Sergey Brin. The two men, who started Google more than 20 years ago while computer science graduate students at Stanford University, have hardly been seen or heard from in the last half-decade or so, si...

Beaumarchais: Barber of Seville, and the Genius Behind Figaro

literature

Beaumarchais: Barber of Seville, and the Genius Behind Figaro

The Beaumarchais Barber of Seville and The Marriage of Figaro were phenomena in their time.They called for social equality in the years leading up to the French Revolution. They espoused feminism during an age when common women had no rights. They caricatured the aristocracy and championed...

Chess Child: America's Youngest Grandmaster

Chess

Chess Child: America's Youngest Grandmaster

As an active member of the U.S. chess scene, I of course know of Ray Robson, currently the youngest Grandmaster in the country at 16. In fact, as an active tournament player I have even had the chance to meet him, and play ping pong and chess with him. Just as great a pleasure was meeting his fat...