1 Gustavo Bagu, January 4, 2009 at 11:28 p.m.:

Dear Dr. Walter Lewin:
As I was watching one of your video lectures, the whole process came suddenly to a stop and I was addressed with the message "stream not found". I do not know to what this may be due, but I would very much like to continue watching them since I find them so useful, interesting and amusing.

What is there that I can do to solve this situation?
Thank you so much
Gustavo from Buenos Aires, Argentina

2 S.A..HADI, June 15, 2009 at 7:23 a.m.:

Dear Dr. Walter Lewin:
I am trying to download and watch one of yuor
lecture on waves. BUT I could not down load. what is there that I can do solve the problem.
Regards
S.A.HADI
From KIU GILGIT PAKISTAN

3 Ivan, October 21, 2009 at 3:16 p.m.:

The lecture is great, thanks to MIT for giving the world an opportunity to see it. I'd very much like to visit such a course in person :)

One remark - I'd expect to see a bit more math in such a lecture. For example, a couple of words on the solution of differential equation for harmonic oscillation would be useful to display those deep bonds between physics and mathematics. However, that information could have been present in student handouts or books that they were required to read before the lecture, then my remark is invalid.

Another thing I suddenly became interested in - what's that chalk that enables you to draw dotted lines? I have never seen such one in the places I was studying. Is it a special kind of chalk or is it easily made from a regular chalk?

4 Psylum, December 23, 2009 at 5:19 a.m.:

Ivan-It's a piece of chalk on a small wheel.

5 Sandy, May 10, 2010 at 10:40 a.m.:

Dear Dr. Walter Lewin:
I hv try to listen n download yr lecturer video, bt i failed on both of them. Any other way can i get yr lecturer video? Hope u can reply me soon,thks!

6 Rajivgandhi.R, January 19, 2011 at 12:31 p.m.:

hi sir,
your lectures are superb. i feel they are the gifts for me.Thank you very much. ---Rajivgandhi.R

7 Shashank, February 13, 2011 at 7:45 a.m.:

Dear Dr. Walter Lewin,
I would like to learn how to attack and solve numericals. Could you pls send your suggestions to my E-mail address:
racershashank3@gmail.com

8 santhosh, February 7, 2012 at 5:26 p.m.:

it's amazing the lectures make physics more interesting

9 ramaish, February 13, 2013 at 1:18 p.m.:

dear Dr.Walter Lewin
iwant to learn how to attack and solve numarical.could you plz send your suggestions to my e-mail address.
ramaish57@yahoo.com

10 Waqaas Jawaid Khan, February 2, 2014 at 4:38 p.m.:

Sir! Your lectures are so helpful for me to teach Physics to O levels students though these lectures are for higher levels. Now I teach them by using hands on activities like you.

11 Waqaas Jawaid Khan, February 2, 2014 at 4:38 p.m.:

Sir! Your lectures are so helpful for me to teach Physics to O levels students though these lectures are for higher levels. Now I teach them by using hands on activities like you.

12 Hossein, December 11, 2014 at 5:09 p.m.:

Hi,
Does any one have these lectures subtitle?
recently MIT has deleted these videos and subtitles form the site :/
I'd really be glad if anyone send me the English subtitles.
m.hossein.gh75@gmail.com

13 Chris, January 19, 2015 at 12:12 p.m.:

Hi Hossein and others,

all course materials that used be available from the OCW MIT website (and have now been removed) are still available through the Internet archive:

https://web.archive.org/web/201312020...

This also contains the transcript of the course.

Chris

14 AMIT DAS, August 13, 2016 at 4:44 p.m.:

Prof. LEWIN You are infinite times best teacher in the world of physics..

15 AMIT, August 13, 2016 at 4:45 p.m.:

Prof. LEWIN You are infinite times best teacher in the world of physics..