Jump to content

JohnF

Senior Members

  • Joined

  • Last visited

View Profile Find content

Topics posted by JohnF

  1. communicating with an extraterrestrial civilisation

    JohnF · in Astronomy and Cosmology
    • 77 replies
    • 12316 views
    Widdekind

  2. Playing with the Drake Equation

    JohnF · in Astronomy and Cosmology
    • 7 replies
    • 1768 views
    antimatter

  3. Gravity and the Expanding Universe

    JohnF · in Classical Physics
    • 43 replies
    • 6173 views
    Norman Albers

  4. Homosexual Roller Coaster

    JohnF · in Genetics
    • 0 replies
    • 1201 views
    JohnF

  5. Lego Celebrities

    JohnF · in The Lounge
    • 1 reply
    • 828 views
    Guest026

  6. Freshwater Ocean

    JohnF · in Speculations
    • 12 replies
    • 1945 views
    JohnF

  7. Is Time Necessary?

    JohnF · in Relativity
    • 99 replies
    • 12420 views
    Farsight

  8. The Rights Of The Robot

    JohnF · in Speculations
    • 19 replies
    • 2581 views
    Spyman

  9. Making Aircraft Lighter

    JohnF · in Engineering
    • 29 replies
    • 5769 views
    JohnF

  10. 1 - 1 = 0.999

    JohnF · in The Lounge
    • 19 replies
    • 2541 views
    GutZ

  11. Sneezing

    JohnF · in Biology
    • 7 replies
    • 2210 views
    mytwocents

  12. Out of Body Fever

    JohnF · in Microbiology and Immunology
    • 11 replies
    • 2030 views
    Glider

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.

Configure browser push notifications
Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.