World Premiere of Greg DeLiso's short documentary:

"What does E = mc^2 Even Mean?"

Filmed in 2009 in front of Einstein's house in Princeton and Union Square in New York City:

youtu.be/MkMii_xAr6M?...

#science #Einstein #IndieFilms #IndieMovies #GreatAtomDebate #physics #relativity #GregDeLiso

Mach Speed Adventures:

Ernst Mach's remarkable breakthroughs in ballistics.
How Mach Speed got its name.

Video by Mauritz Wilshusen, with completely human-made animation, starring Paul Halpern.

greatatomdebate.com

#GreatAtomDebate #Mach #science #booksky #sciencesky

BOOK LAUNCH: THE GREAT ATOM DEBATE
Main Point Books

Date: Tuesday, December 1, 2026
Time: 6:30pm - 7:30pm
Address: 116 North Wayne Ave, Wayne, PA 19087, USA

mainpointbooks.com/event/2026-1...

#greatatomdebate #booksky #sciencebook #science #physics

Final few days to win a free book or bookplate!

Preorder The Great Atom Debate greatatomdebate.com

Post preorder proof with hashtag #GreatAtomDebate

First 20 entries get free autographed bookplate

Contest ends Oct 31

On Nov 1, five winners randomly chosen to get free autographed book

#booksky

“A truly fun dual biography… that should be of interest even to people who don’t care a whit about physics but love a good story, especially one showcasing two fascinating, driven characters.”

―Forbes

www.amazon.com/gp/product/1...

greatatomdebate.com

#GreatAtomDebate #booksky #science #physics

Dr. Paul Halpern on his new book The Great Atom Debate

youtu.be/ajNhO4-30cs?si…#greatatomdebatet#sciencebooksk#sciencec#physicsc#bookskyky

The strange, hypothetical notion of Boltzmann Brains, entities assembled by mere chance elsewhere in the cosmos with false memories of lives never lived.

Video by Mauritz Wilshusen, starring Paul Halpern

greatatomdebate.com

#greatatomdebate #BoltzmannBrain #booksky #science #physics #Boltzmann

'If... all of scientific knowledge were to be destroyed, and only one sentence passed on to the next generation... what statement would contain the most information in the fewest words?

I believe it is the atomic hypothesis... that all things are made of atoms'

-Richard Feynman

#GreatAtomDebate

#GreatAtomDebate I look forward to reading it.

Win a free autographed book or bookplate!

Follow @phalpern.bsky.social
Preorder The Great Atom Debate greatatomdebate.com
Post proof of preorder with hashtag #GreatAtomDebate
First 20 entries get free autographed bookplate
On Nov 1, five winners randomly chosen to get free autographed book
#booksky

Celebrate Machtoberfest by entering a book contest

Follow @phalpern.bsky.social

Preorder The Great Atom Debate greatatomdebate.com

Post proof with #GreatAtomDebate

First 20 entries get free autographed bookplate

On November 1, five winners randomly chosen to get free autographed books

#BookSky

'It was Ernst Mach who, in his History of Mechanics, upset [my] dogmatic faith [in Newtonian mechanics]...

I see Mach's greatness in his incorruptible skepticism and independence.'

-Albert Einstein

#Einstein #Mach #GreatAtomDebate #science #physics

A Tragic Moment in the History of Science

120 years ago, on 5 September 1906, the eminent physicist Ludwig Boltzmann took his own life during a family holiday at the Hotel Ples in Duino, Italy. His tombstone in Vienna includes his famous entropy formula.

greatatomdebate.com

#greatatomdebate