Guestbook

         Thank you for visiting Light! We appreciate your comments. Please sign our guestbook.

        Dziekujemy za odwiedzenie naszej strony. Podpisz sie w naszym pamietniku.

i like your articles on lasers
Anonymus
el paso, tx USA -

I love your website. It is very informative. Now I know about how light is travel. Keep up adding more infromation. Thanks again. :)
James
pocatello, id USA -

your website is great! I love it! It has a lot of info about light.
Nigel
Singapore -

Hey guys ! I love your website ... you've made all this stuff about light much clearer now ! I enjoyed the quizzes, so I could actually evaluate my knowledge and see if I understodd the previous lesson !!! Thanks again and keep up the good work ! Benjamin :)
Benjamin
California, LA USA -

A very good website!
Rachel
Vancouver, BC Canada -

Very bad website make it better!!!!!!!
Clinton
Honululu, HW USA -

I luv ur website very much.You guys just saved my project on ligth,thanks alot!!! Keep up the good work!!!
Philip
Manama, Bahrain -

we that is me and my sister whant to thank U for making this website because it really made us learn more about light,wave lenghts and all the other stuff that is in this website. Bye,Bye jessica
jessica
lexington, kentucky USA -

I Love your web site! From Dawn And jessica
Dawn
Lexington, Kentucky USA -

Thank you for providing so much information for my nine year old. He is working on a class discussion and the information will be very helpful.
Marian
Detroit, MI USA -

Thank you so much! I think I get Science now... it's so complicated but with these informations, you really helped me a lot ^-^ hope I can get good marks.... thnx a lot ^0^
SuHfEa
Canada -

I was looking for information about prims for a science project.
Ashley
Marietta, Ga USA -

I was looking for information about light to teach my 7 year old students. Thank you for all your work and hopefully my class will learn something. M.B.
Mrs. Brougham
Carnation, Wa. USA -

This was an interesting site and it helped me a lot but I need to know about prisms.
Rebecca
Cincinnati, OH USA -

This is a very informative site. It has helped us alot in our Physics project on EM Spectrum and more. Thank You for having this great site!
Zelia and Hsin
Singapore, NA Singapore -

Your site is gr8 and everything its very useful but it needz more links for example i need information about periscopes now you've got lots of gr8 info on light reflection and mirrors but what about things like periscopes and microscopes where this is used? Also i don't know why and/or or insenstive/sensitive makesa difference. Your site is WIKED but it doesn't have what i need which is how we use mirrors and stuff in periscopes and who invented it and what its all about. If you can't do that then you should suggest other websites where we can find info on links to do with the things on your website. I still think the websites good it just doesn't suit me right now but i'll keep it in my mind just in case i will need it one day! BYE xxx
Ina Sanghera
-

Dude, this site is so good, not, joking, haha. Poor pictures, less writing
Bill , the science guy
Simsbury, CT 06070 -

You should put up the electromagnetic spectrum and not just talk about it by the way killer boots man
kevin scully
USA -

Thanx a lot! Your site helped me with a tough science experiment. Now, I actually understand what I'm doing. My experiment is "What is the effect of color on the amount of heat reflection?" Thanks again!
Megan Hawthorne
Chehalis, WA USA -

I am having some problems getting into your website for assistance with my science project on solar cars. Could you by any chance e:mail me with some assistance on this topic.... Thanks your friend James.
james
hubert, nc USA -

We don't like this sit.......i did not find any information that I diservered for my sience progecter on why sum coloers absorb more heet. thans for none infermaton
Dumb(lacy) And Dumber(dani)
IL USA -

This is very good resource if you need to look for things such as, if you're doing research. This information on light was very helpful for me to use since I'm doing something in school on light. If you ever need information on a topic such as light, come to this website.
Ashley
Grand Rapids, MI USA -

This is very good resource if you need to look for things such as, if you're doing research. This information on light was very helpful for me to use since i'm doing something in school on light. If you ever need information on a topic such as, light come to this website.
Ashley
Grand Rapids, MI USA -

I think your site is great. It gave me lots of help for my scince fair, so I am just saying thanks.
Vasant
Brampton, Ontario Canada -

It's good they have it in 2 languages
Jostin
Sanfransico, CA USA -

I was supposed to go on this website and get my homework answers for light and things like that and I couldn't find anything.
AmY
Reading, PA USA -

Hey Zupppppppppp? I hate my name.
Bob
tallahasse, FL USA -

THIS WEBSTE IS EASY TO UNDERSTAND , BUT I THINK IT SHOULD HAVE MORE IMAGES OR DIAGRAMS.
Daniela
weslaco, TX USA -

this web rocks

USA -

Understandable! Yay!
S. Hepworth
Melbourne, Australia -

Fajne. Fajnie ze przetlumaczyliscie na polski, czuje sie bardziej swojsko. I like it. I also like the idea of translating the whole thing into Polish, I feel better with that language. Jest tylko duzo bledow jezykowych! Piotr, Physics student
Piotr
Warszawa, Poland -

Great Websight!
Rachel Cook
Shepherd, MI USA -

how do i get away from the guestbook?
boris the spider
USA -

hi
boris the spider
USA -

I woder if the generl light title could hve more information
jitesh
state college, pa USA -

found from link trying to do physics term paper any help will be greatly appreciated ( light,sound&heat thank you barry
barry
St Marys, nsw Australia -

Ilearned tons and this site was a great help for my science fair project.
Alannah
petawawa, Ontario Canada -

Your website is totally rad!!!!
michael
slidell, la USA -

hi
JOey Marschner
USA -

This website really helped me find research info. for my science project!! i like this website!
Eri
Cypress, Ca USA -

I like this web site it has relevent information for me on solar power thanks from Alexandra
Alexandra
Perth, WA Australia -

really good
Nicole
new zealand -

a very good guide for clearing doubts
jothi
USA -

I think this site was very neat! It helped me get a cool project for school.
Michelle
-

This was the best information I found yet keep up the good work continue the research. I'll be back.
Lisa
Port Allen, La USA -

It is an interesting site. Please research and publish more.
Charles
Aurora, CO USA -

Well, i thought this website was a good resorce for info !!!!!! thanks a whole bunchess!!!
Anne-Marie
Whitby, Ont Canada -

GREAT!!!!!!! Thanks you! You helped me a lot on my research. More power and God Bless!
Marnel
PHILIPPINES -

The information on your website really helped me with the physics paper I am writing Thanks
Elizabeth
Catonsville, MD USA -

The history of measuring light velocity had passed through several hunded years since 1638 when Galelio, who was the first scientist, measured the light velocity. After then Roemer in 1675, Fizeau in 1849, Faucault in 1862, Froom in 1958, Karolus and Helmborger in 1964 and Evenson in 1972 had done a large amount of investigation works in this field. Based on these studies, the International Standardization Organization Standards Handbook 2, Units of Measurement 1982 gives the velocity of propagation of electromagnetic waves in vacuum C=(2.99792458 ±0.000000012) ´108 m/s. All measurements of light velocity in above studies were been done by scientists on the earth. The measured time and place are random. It means that we haven’t studied thoroughly the mechanism of light velocity and its characterization on celestial view point yet. The evidential facts are: (1) The light velocity haven’t been measured at aphelion and perihelion on earth and observed the differemce brtween them. (2) The light velocity haven’t been measured on another celestial body in solar system as Venus, Mercury or Mars and compared the difference to earth. Therefore, perhaps it may be necessary to make a deep-going syudy on this project. Eq.49 gives the probability of measuring light velocity (CX) on any celestial body which is in any distance (rx) to the gravitation center. Because G M·
C2= G M·
Celestial Body C cm/ s Near Point C cm/ s Far Point sun 3.0568723940E+10 3.0568723940E+10 mercury 3.0806404630E+10 3.0336461040E+10 venus 3.1017465250E+10 3.0138911880E+10 earth 3.1194400550E+10 2.9979245800E+10 mars 3.1537640150E+10 2.9683952580E+10 jupiter 3.4319006510E+10 2.7828727690E+10 saturn 3.8787811220E+10 2.6032237450E+10 uranus 6.2676068610E+10 2.3028153200E+10 neptune 6.9373890180E+10 2.0636832590E+10 pluto 4.0572495580E+10 1.9076918890E+10 moon 2.9980718420E+10 2.9977773380E+10
Jintao
Wuhan, Hubei P.R.C. -

This is something that I am growing more and more interested in. Mostly because of my Physics class. I have a hard time with Eistien's theory of relativity. I think that it is unwise to base a theory on something that has yet to be defined. The majority of all that we pecieve is based on Light. The discovery of what is is will be very beneficial to mankind.
Joe
NE USA -

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????//, ??????? USA -

I would like to say that this site is fantastic and that has been a great help to me in understand light better.
Sheamus C
Melbourne, vic Australia -

You people are pure geniuses, thankyou so much for a clear consise and informative webpage on light - its the only one on the web as far as I can tell. You've just saved my physics grade from iminent destruction
twisted fish
perth, australia -

You people are pure geniuses, thankyou so much for a clear consise and informative webpage on light - its the only one on the web as far as I can tell. You've just saved my physics grade from iminent destruction
twisted fish
perth, asutralia -

It was very interesting. Thank you. It was quite informative and I learnt a lot. You people are just so clever!
Chantelle
- Thursday, October 26, 2000 at 21:37:29 (EDT)

It was very interesting. Thank you. It was quite informative and I learnt a lot. You people are just so clever!
Chantelle
USA - Thursday, October 26, 2000 at 21:37:18 (EDT)

cool website i'm doing a report on light
Spencer
Funk, NE USA - Thursday, October 12, 2000 at 16:20:58 (EDT)

Awesome site you guys! Keep it up!
Michelle
Kitchener, Ontario Canada - Tuesday, October 10, 2000 at 17:59:00 (EDT)

Congratulations for a good work well done! More power! May the Lord continue to guide and lead you as you radiate the LIGHT He has given you all! Please include some projects and interactive laboratory experiments that could be done. THANKS A LOT!
Sr. M.
Manila, Philippines - Saturday, July 01, 2000 at 07:59:31 (EDT)

really cool
cindy
miami, fl USA - Tuesday, May 09, 2000 at 11:53:20 (EDT)

wow that fast?
Wayne
xcdxc, USA - Monday, May 08, 2000 at 15:59:36 (EDT)

I'm doing a project on light physics and this is very helpful! You should have an index or glossary.
Adam
Springfield, OR USA - Monday, May 08, 2000 at 15:54:16 (EDT)

Hi, this is Kevin . I am a middle school student at Wilson Middle School in Pasadena, California. I have to do a science project. My subject is "light." Thank you for helping me with ideas!
Kevin
Altadena, CA USA - Wednesday, April 12, 2000 at 16:32:57 (EDT)

light
bill
usa USA - Monday, April 10, 2000 at 15:56:52 (EDT)

looking for info on light and how to make a periscope for school I am 9 years old
Brandon
Arnprior, On Canada - Friday, March 31, 2000 at 16:52:03 (EST)

I used your website to help me study for a test. It helped a lot! Thanks!
Jennifer H.
Centreville, VA USA - Tuesday, March 28, 2000 at 20:27:40 (EST)

Your site is great! Very good work, all of you.
Valerie
Canada - Sunday, March 26, 2000 at 03:39:48 (EST)

Couldn't find any light projects.
Toni
Charolotte, NC USA - Sunday, March 19, 2000 at 19:49:09 (EST)

cool site. it helped me with research on lenses for a project. thanks!
me
england - Monday, February 28, 2000 at 14:52:58 (EST)

cool site. it helped me with reasearch on lens for aproject. thanks!
me
england - Monday, February 28, 2000 at 14:52:05 (EST)

Great informative website. Liked the quizes, very good questions.
Melissa
Cincinnati, OH USA - Tuesday, February 15, 2000 at 11:17:26 (EST)

I loved your site!!It helped me for the test I have. Keep up the good work!!:) -Jade
Jade
Utica, Mi USA - Monday, December 06, 1999 at 17:30:02 (EST)

BRILLIANT, HEAPS OF HELP THANKS!!!!!
Mecca
UK - Tuesday, November 30, 1999 at 14:52:30 (EST)

GREAT SITE! I used it to study for a light science test, and ended up with a 100%! Nice work!
Graham
Milford, Milford USA - Sunday, November 21, 1999 at 13:54:56 (EST)

WoW cOoL sIgHt! It WaS rEaLlY hElPfUl WiTh My HoMeWoRk. ThAnKs.
tInA lEoN gUeRrErO
tAmUnNiNg, GuAm - Thursday, November 18, 1999 at 04:12:31 (EST)

I liked your site! The laser part was kinda helpful.
Sara
Clinton, MS USA - Thursday, October 21, 1999 at 19:54:09 (EDT)

thank you. please go easier on my ink. The banners were inkgoblins,the solar power sign, headers,etc.
mousketer
Seattle, WA USA - Tuesday, October 12, 1999 at 16:42:53 (EDT)

thank you. please go easier on my ink. The banners were inkgoblins,the solar power sing, headers,etc.
mad mousketeer
Seattle, WA USA - Tuesday, October 12, 1999 at 16:41:47 (EDT)

Thank you very much for all of the infomation! It helped me a lot with my test. Also I am doing a science fair project on light and I thank you for all the information that you suported me. I hope that you keep this site up. also I would like to put a link up from my site to this. if you have a logo for me please let me know. my email and web address is above. thank you so much. Gabriel
Gabriel S.
Hbg, PA USA - Wednesday, September 29, 1999 at 19:01:47 (EDT)

Thank you for your very informative sight. It really helped me alot and i have a science test tommorow. Althpugh i couldn't find any information on the camera or the eye. toodles
Tania
Perth, WA Australia - Tuesday, September 21, 1999 at 09:59:37 (EDT)

Thank you for your really informative site. I have a science test tommorow and i had to study and it really helped me alot. Although i couldn't find any information on the eye or the camera. toodles
Tania
Perth, WA Australia - Tuesday, September 21, 1999 at 09:55:19 (EDT)

Very interesting and informative site found whilst searching for extra material for Primary class.
Jocelyne
Stranraer, Scotland - Sunday, September 19, 1999 at 15:19:38 (EDT)

Thank you, ladys & gentleman, for your good words about Russian scientists. But I didn't found no one illustration! Though, I think, you know that optics is a geometric science. From Russia with love.
Artist
Moscow, RUSSIA - Friday, August 27, 1999 at 09:17:14 (EDT)

hi i quite interest at your home page
kenny
kuala lumpur, --- malaysia - Thursday, August 26, 1999 at 09:19:35 (EDT)

Great page guys. When does it get judged? It should do well, neat graphics. Oh and hi, Karolina! Sorry I haven't written but I've been up to my elbows in horses this summmer. Feel free to write if you want. Well, once again great page, and I'll see you guys tomorrow at school(Ekkk.) Good job. :)
Jordan
Mi USA - Tuesday, August 24, 1999 at 11:34:48 (EDT)