Science History

15 Feb 1826 — #onthisday G. Johnstone Stoney was 🌟born, Irish physicist who identified a fundamental unit of electricity in electrolysis (Aug 1874). He subsequently coined the word “electron” for it.

Read 📖his letter on the issue of priority (Oct 1894): todayinsci.com/S/Stoney_Geo...

Random from our page of Artificial Intelligence quotes. The cute limerick is an original creation by ChatGTP. The Einstein caricature was imagined by a simple input to midjourney. Prompts devised, outputs selected, and image layout by Webmaster.

For more see todayinsci.com/I/Intelligen...

14 Feb — #onthisday is 🗓️Valentine's Day.
❝Falling in love is not at all the most stupid thing that people do, but gravitation cannot be held responsible for it.❞
— Albert Einstein

Read a brief article giving the interesting context of this #quote at todayinsci.com/E/Einstein_A...

14 Feb 1859—#onthisday 🗓️George Ferris was 🌟born, an American engineer who built a giant Ferris Wheel for the 1893 World’s Columbian Exposition.

Read 1901 report about it 📖 todayinsci.com/F/Ferris_Geo...

Also read about lighting the Ferris Wheel (1894) todayinsci.com/F/Ferris_Geo...

14 Feb 1819—#onthisday Christopher Sholes was born, American inventor who developed the first practical #typewriter.

Read about The Early History of the Typewriter at todayinsci.com/S/Sholes_Chr...

❝Geometry is the most complete science.❞
— David Hilbert, German mathematician, who died #onthisday 14 Feb 1943.

For more of his #quotes go to todayinsci.com/H/Hilbert_Da...

❝In most sciences one generation tears down what another has built…. In mathematics alone each generation adds a new storey to the old structure❞
— Hermann Hankel, German #mathematician, born #onthisday 🌟14 Feb 1839.

More #quotes at todayinsci.com/H/Hankel_Her...

An astronomer winked, “Be advised—
Thirteen’s not in the stars, it’s devised.
No omen up there,
Just hydrogen glare—
The dread is all human-sized.”
— A.I. limerick for #onthisday 🗓️ Friday the 13th.

Read more A.I. science-related verses at todayinsci.com/I/Intelligen...

11 Feb — #onthisday 🗓️is International Day of Women and Girls in Science. Today, women make up less than one third of the world’s researchers, according to UNESCO.

Read some #quotesoftheday by women scientists at todayinsci.com/QuotationsCa...

❝A #mathematician may say anything he pleases, but a physicist must be at least partially sane.❞
— Willard Gibbs, American mathematical #physicist and #chemist, born #onthisday 🌟11 Feb 1839.

More of his #quotes at todayinsci.com/G/Gibbs_Will...

❝I was going to record talking, and then have the machine talk back…the foil was put on; I then shouted ‘Mary had a little lamb’…and the machine reproduced it perfectly.❞
— Thomas Edison, American #inventor, born #onthisday 🌟11 Feb 1847

See #quotes at todayinsci.com/E/Edison_Tho...

11 Feb 1809—#onthisday 🗓️Robert Fulton patented his #steamboat for the first time in the U.S. He had harnessed the power of steam for passenger transport on two-way river trips.

Read a 1909 chapter on his struggles to succeed with his First Steamboat. todayinsci.com/F/Fulton_Rob...

For 🗓️Black History Month, we recognize Madame C.J. Walker, a self-made African-American businesswoman noted for her successful marketing of the hair products she designed for effectiveness on Black hair. She lived 23 Dec 1867–5 May 1919.

Read some of her #quotes at todayinsci.com/W/Walker_CJ/...

❝Liebig taught the world…that in order to teach chemistry it was necessary that students should be taken into a laboratory.❞
— Ira Remsen, American chemist, died #onthisday ✝️4 Mar 1927.

See this in full and more of his #quotes at todayinsci.com/R/Remsen_Ira...

10 Feb 1835—#onthisday 🗓️Victor Hensen was 🌟born, German physiologist and oceanographer who coined the name ❝plankton❞. He discovered their importance to sustain all levels of marine life.

Read 📖a brief bio with more info at todayinsci.com/2/2_10.htm#H...

❝Truths physical have an origin as divine as truths religious.❞
— David Brewster, Scottish physicist, died ✝️ 10 Feb 1868.

See more of his #quotes at todayinsci.com/B/Brewster_D...

❝It is at a surface where many…most interesting and useful phenomena occur. We live for example on the surface of a planet…It is essentially at a surface of a plant that sunlight is converted to a sugar.❞
— Walter Brattain, US physicist, born #onthisday 🌟10 Feb 1902.

todayinsci.com/B/Brattain_W...

February is Black History Month. Read “Darius Meets George Washington Carver” — a Black History Month Time-Travel Adventure, imagined by ChatGTP A.I. at todayinsci.com/C/Carver_Geo...

Q: What is the volume of an object with
radius = Z and height = A?

A: Pi * Z * Z * A

09 Feb — 🗓️ National Pizza Day in the U.S.A.

More pizza #quotes at todayinsci.com/QuotationsCa...

9 Feb 1871—#onthisday 🗓️Howard Ricketts was 🌟born, the US #pathologist who discovered the role of ticks in the transmission of Rocky Mountain spotted fever. He died at age 39 from contracting typhus, the disease he was then investigating.

Read 📖 his work in his words todayinsci.com/R/Ricketts_H...

❝Every living being is also a #fossil. Within it, all the way down to the microscopic structure of its proteins, it bears the traces if not the stigmata of its ancestry.❞
— Jacques Monod, French biochemist born #onthisday 🌟9 Feb 1910.

See more of his #quotes at todayinsci.com/M/Monod_Jacq...

01 Feb — #onthisday Black History Month begins in the U.S. Celebrate by looking at some Black-American scientist #quotes at todayinsci.com/QuotationsCa...

— The quote pictured is from a letter sent by Benjamin Banneker, with his first almanac, to Thomas Jefferson todayinsci.com/B/Banneker_B...

Sorry, folks, spotty posts while a bug flattened me, for a while. Catchup for yesterday:

❝In science there is a court of last resort, experiment, which is unavailable in human affairs.❞
—Emilio Segrè, Italian physicist, born #onthisday 1 Feb 1905.

In full #quotes at todayinsci.com/S/Segre_Emil...

❝Give animal life…reverence we bestow upon historic monuments.”
— Gerald Durrell, British natural, died #onthisday ✝️30 Jan 1995

See more of his #quotes at todayinsci.com/D/Durrell_Ge...

❝Science is a field which grows continuously with ever expanding frontiers. Further, it is truly international in scope. … Science is a collaborative effort.❞
— John Bardeen, American physicist, died #onthisday ✝️30 Jan 1991.

See more of his quotes at todayinsci.com/B/Bardeen_Jo...

❝Natural selection is not wind which propels the vessel, but the rudder which...shapes the course.❞
—Asa Gray, American botanist, who died ✝️30 Jan 1888.

See more of his #quotes at todayinsci.com/G/Gray_Asa/G...

29 Jan — #onthisday is 🗓️National Freethinkers Day.

A scientist never stops being curious and questioning. Read what Albert Einstein wrote about Free Thinking: todayinsci.com/QuotationsCa...

❝The road to a clinic goes through the pathologic museum and not through the apothecary’s shop.❞
— Sir William Withey Gull, English physician, died #onthisday ✝️ 29 Jan 1890.

See more of his excellent #quotes at todayinsci.com/G/Gull_Willi...

29 Jan—#onthisday is 🗓️National Curmudgeon Day (in the U.S.)

H. L. Mencken was an outstanding curmudgeon, so it’s a good day to pick out his #quotes on science and scientists, e.g. for Eddington, Millikan, astronomers and #algebra. See them, and others, at todayinsci.com/M/Mencken_He...

❝Intelligence works by combining the facts stored away in memory… Its main tools are: logic, memory, and the power of concentration upon a single topic… [and] disregard of the irrelevant.❞
— Hans Selye Austrian-Canadian endocrinologist. born #onthisday 🌟26 Jan 1907.

todayinsci.com/S/Selye_Hans...