Physics, Space Science and Theories

1,707 topics in this forum

1. Richard Feynman: A Comprehensive list of Books & Videos 1 2

   By Feynman, January 12, 2013
   • 34 replies
   • 19.3k views
   • 
   • saac
   • April 26

2. Astronomy in schools

   By mark RD, February 4, 2006
   • 17 replies
   • 2.1k views
   • 
   • Ambermile
   • February 5, 2006

3. ...and your simple lenses are stranger than you think

   By Ben the Ignorant, September 19, 2017   

   • optics
   • lens
   • (and 5 more)

     Tagged with:

     • optics
     • lens
     • refraction
     • interference
     • transparency
     • glass
     • light
   • 2 replies
   • 601 views
   • 
   • Ben the Ignorant
   • September 19, 2017

4. ...but optics are really simple...

   By Ben the Ignorant, September 20, 2017   

   • optics
   • scattering
   • (and 4 more)

     Tagged with:

     • optics
     • scattering
     • diffusion
     • dispersion
     • refraction
     • reflection
   • 7 replies
   • 835 views
   • 
   • Tiki
   • October 1, 2017

5. 'Dissecting' a distant galaxy

   By Ships and Stars, April 2, 2020
   • 7 replies
   • 786 views
   • 
   • leibek
   • April 10, 2020

6. 'ElectroWeak' stars: they're out there!

   By Rosanella, December 20, 2009
   • 3 replies
   • 779 views
   • 
   • Ben Ritchie
   • December 21, 2009

7. 'faint' photons and photon energy

   By nytecam, March 15, 2013
   • 8 replies
   • 882 views
   • 
   • J_M_Franklin
   • March 16, 2013

8. 'Fine tuning' the universe... 1 2 3 4 6

   By ollypenrice, March 3, 2023
   • 147 replies
   • 3.8k views
   • 
   • Macavity
   • March 8, 2023

9. 'Impossible' Pulsar Breaks the Rules

   By Jussi, February 13, 2013
   • 2 replies
   • 1.2k views
   • 
   • acey
   • February 14, 2013

10. "Citizen science" solar storms project

    By JamesF, October 11, 2018
    • 2 replies
    • 598 views
    • 
    • Beulah
    • October 15, 2018

11. "Forbidden" Lines

    By Kenza, November 7, 2013
    • 5 replies
    • 1.6k views
    • 
    • Physicist13
    • November 19, 2013

12. "In Our Time" - Einstein - today

    By Zermelo, September 14, 2023
    • 5 replies
    • 500 views
    • 
    • andrew s
    • September 19, 2023

13. "Local Fluff" question

    By Talitha, December 24, 2009
    • 6 replies
    • 2.9k views
    • 
    • Eyeball
    • December 25, 2009

14. "The Strangest Man" - Paul Dirac (Bio. by G.Farmelo)

    By Macavity, August 20, 2018
    • 5 replies
    • 805 views
    • 
    • Macavity
    • August 24, 2018

15. "What happens if I put my hand in the LHC beam"?

    By Macavity, January 12, 2014
    • 11 replies
    • 1.5k views
    • 
    • Macavity
    • January 14, 2014

16. “Visualizing the Proton” through animation...

    By Macavity, May 6, 2022
    • 6 replies
    • 952 views
    • 
    • Macavity
    • May 8, 2022

17. “We don’t really know the speed of light” 1 2 3 4 7

    By Ouroboros, January 18, 2021
    • 160 replies
    • 7.5k views
    • 
    • saac
    • March 2, 2023

18. (Theory) Cosmic Mirrors: looking twice as far back in time

    By wondering, February 9, 2016
    • 5 replies
    • 733 views
    • 
    • cgarry
    • February 10, 2016

19. 1 Divided by 2 = more than 2 halves?

    By Earl, January 9, 2012
    • 1 reply
    • 789 views
    • 
    • acey
    • January 9, 2012

20. 10 thousand million 1 2

    By Ben the Ignorant, March 29, 2018   

    • unbelievable
    • 29 replies
    • 1.5k views
    • 
    • Macavity
    • April 4, 2018

21. 100 years today

    By Sam, December 10, 2008
    • 5 replies
    • 1.1k views
    • 
    • timetraveller
    • December 15, 2008

22. 13.8 lightyears? 1 2 3 4

    By mergatroid, January 29, 2023
    • 81 replies
    • 3k views
    • 
    • Bizibilder
    • February 1, 2023

23. 2011 Physics Nobel Prize goes to the Supernova cosmological acceleration discovery

    By themos, October 4, 2011
    • 4 replies
    • 720 views
    • 
    • themos
    • October 4, 2011

24. 2022 - Binary Collision Nova Predicted in Cygnus

    By SnakeyJ, January 13, 2017
    • 2 replies
    • 588 views
    • 
    • Dinglem
    • January 13, 2017

25. 3 facts maybe you don't know about antimatter

    By alberto91, April 13, 2019
    • 1 reply
    • 484 views
    • 
    • Sunshine
    • April 13, 2019