Joyce Chaplin

@joycechaplin.bsky.social

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Historian of science & tech, often about early America (https://history.fas.harvard.edu/people/joyce-chaplin)

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It’s the misogyny, stupid.

#OnThisDay in 1776, Thomas Jefferson…bought a new thermometer. And he recorded the high in Philadelphia that day: 76 degrees Fahrenheit. The high in Philadelphia today is expected to be 91.

If you're an academic and worried about the climate crisis, please sign the @ucsusa.bsky.social and @scientistrebellion.bsky.social telling Citi to stop funding fossil fuels, respect human rights, and invest in the clean energy future we need--LAST DAY TO SIGN act.ucsusa.org/3yw1fkE

Scientists: Tell Citi to Stop Financing Climate Destructionact.ucsusa.org Citi leadership needs to hear from the scientific community that it is critical to stop funding fossil fuels, respect human rights, and invest in the clean energy future we need. Sign the letter from ...

Final stretch in copyediting my book on the Franklin stove…

Nearly 500 Harvard faculty and staff (including me) signed an open letter questioning sanctions against pro-Palestine/anti-war student protesters www.thecrimson.com/article/2024...

Nearly 500 Harvard Faculty, Staff Blast Sanctions Against Pro-Palestine Protesters in Open Letter | News | The Harvard Crimsonwww.thecrimson.com Nearly 500 Harvard Faculty, Staff Blast Sanctions Against Pro-Palestine Protesters in Open Letter | News | The Harvard Crimson

More than 300 Harvard faculty (including me) are calling on the university’s president to open dialogue with the student protesters encamped in Harvard Yard www.thecrimson.com/article/2024...

More Than 300 Harvard Faculty Urge Garber To Negotiate with Pro-Palestine Protesters | News | The Harvard Crimsonwww.thecrimson.com More Than 300 Harvard Faculty Urge Garber To Negotiate with Pro-Palestine Protesters | News | The Harvard Crimson

Harvard University Police Department Chief says Harvard Yard encampment is peaceful, defends students’ right to protest www.thecrimson.com/article/2024...

HUPD Chief Says Harvard Yard Encampment is Peaceful, Defends Students’ Right to Protest | News | The Harvard Crimsonwww.thecrimson.com HUPD Chief Says Harvard Yard Encampment is Peaceful, Defends Students’ Right to Protest | News | The Harvard Crimson

New mug, suitable for the most bitter of brews

Ah, yes, today is the day when Benjamin Franklin sleepily wakes up in thousands of op eds to complain about the variable lengths of days in a year. Just a tiny reminder that he didn’t suggest a time change—he was proposing better technologies for energy efficiency (still a work in progress)

Greetings! Since I’m a historian of science, I thought my first post in this space should celebrate the cyanometer, the device Alexander von Humboldt (among others) used to determine just how blue any sky actually is

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