English | Español | 中文
113,921,705 Videos Watched

Age Filter: Click to Set
Embed Video
Embed Video:
URL of source video:
Simply give the URL and we will get the embed code automatically, if we support embedding from the site.

Inventions

various scientific inventions, discoveries and improvements throughout history

There are 1 video in this category and 162 videos in 14 subcategories.

Subcategories:

Category Videos
Not Right For WatchKnowLearn
Ages: 4 - 18
1594 Views:
Morse Code: A Primer
From sciencerangers.com, produced by Science Ranger
Watch the sound level. The students would benefit by having the "code" in front of them to practice after the video. This episode also explains the history and importance. Some questionable humor.
Found by freealan in Inventions
January 11, 2011 at 10:15 PM
  • Favorites


Loading featured videos...


History [show]


Loading history...

Comments
Please make your comments on categories positive, and not just negative.

People work hard on educational categories, and we want to encourage them to make more!

  • Profanity (curse words), sexually suggestive remarks, and other such obviously inappropriate comments will be deleted immediately, and are grounds for immediate expulsion. Remember, children use this website.
  • Personal criticism on project forums and in video content is not allowed and will be deleted immediately. Any violations of this rule could result in expulsion from the project so please, no insults or other negative personal remarks.
  • Very harshly-worded criticism of content will also be deleted promptly. Please use your vote to express your harshest feelings. Repeated violations of this rule can result in expulsion. If you must criticize another person's hard work, then be nice about it.
If you want to comment, please sign in
Reason:  

  Cancel

Share

© 2018 St. Charles Place Education Foundation / Privacy Policy

Custom Web Development by Business Edge Services & Technologies, Inc.