Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

jedishrfu's Recent Activity

  1. jedishrfu replied to the thread Testing Electricity and Magnetism section in GRE Physics.

    The thing about the GRE and tests of this sort are that there are only certain kinds of questions that can be asked so using the study...

    Jul 16, 2018 at 1:28 AM
  2. jedishrfu replied to the thread Which ideas do you think are intriguing?.

    I like how so much of math was transformed by the Pythagorean theorem.

    Jul 16, 2018 at 1:25 AM
  3. jedishrfu replied to the thread Another amazing rescue (helicopter rescue on Mt Hood).

    Yikes, that sounds pretty harrowing! I don’t think I’d go if I’d known about falling rocks.

    Jul 16, 2018 at 1:23 AM
  4. jedishrfu liked Mark44's post in the thread Another amazing rescue (helicopter rescue on Mt Hood).

    Pretty amazing flying skills. They can't land like this if the terrain is much steeper -- they risk breaking off the rotor blades. I've...

    Jul 15, 2018 at 10:06 PM
  5. jedishrfu liked berkeman's post in the thread Another amazing rescue (helicopter rescue on Mt Hood).

    The headlines read that the climber was suicidal, but I didn't read into the articles yet. If he was uncooperative, it may have been...

    Jul 15, 2018 at 10:06 PM
  6. jedishrfu liked Tom.G's post in the thread Another amazing rescue (helicopter rescue on Mt Hood).

    Here is a close match to the Mount Hood image with a wider view. Maybe someone can verify/locate the area....

    Jul 15, 2018 at 10:06 PM
  7. jedishrfu liked Janus's post in the thread Another amazing rescue (helicopter rescue on Mt Hood).

    Here's an article on the rescue. It was said that he was found on the summit plateau. There is also a labeled image of the area....

    mthood.png Jul 15, 2018 at 10:06 PM
  8. jedishrfu replied to the thread Your thoughts on numerical analysis teaching.

    There’s a website https://lectures.quantecon.org/jl/index.html with tutorials on numerical python and Julia that might get you more up...

    Jul 15, 2018 at 4:35 PM
  9. jedishrfu liked eAir's post in the thread Engineering Recommendations for Books [HNC in mech eng].

    Hi Jedishrfu, Thanks for the tip. I’ve been looking at it over he weekend and it’s perfect eAir

    Jul 15, 2018 at 2:42 PM
  10. jedishrfu replied to the thread VOTE PF Photo Contest - Bad Photo.

    This has to be the most unique set of bizarre photos I have ever seen. I had trouble deciding between a selfies, nondescriptive,...

    Jul 14, 2018 at 11:33 AM
  11. jedishrfu replied to the thread I Can one electron emit 3 colors at once?.

    Thanks for being so honest here. In general, we are here to help students with STEM related questions. We shy away from fringe science...

    Jul 14, 2018 at 11:16 AM
  12. jedishrfu replied to the thread B A difficult problem from 1957.

    Did you draw a diagram of it? If you consider east to be the x axis then the man is x feet from the tower and when he looks up it’s at...

    Jul 14, 2018 at 10:19 AM
  13. jedishrfu replied to the thread Another amazing rescue (helicopter rescue on Mt Hood).

    There’s a YouTube channel called the History Guy where he detailed a few daring rescues during WW2. One was the first helicopter rescue...

    Jul 14, 2018 at 12:16 AM
  14. jedishrfu liked berkeman's post in the thread Another amazing rescue (helicopter rescue on Mt Hood).

    Not quite the Thai cave rescue, but the skill of this Chinook pilot is amazing, being able to "land" the tail of his helicopter on the...

    upload_2018-7-13_16-28-40.png upload_2018-7-13_16-31-57.png Jul 14, 2018 at 12:07 AM
  15. jedishrfu replied to the thread What are some good coding languages for beginners?.

    For kids that might work but for high school or college, Python seems to be the preferred route or Java via the Pocessing IDE. These...

    Jul 13, 2018 at 7:41 PM