Test your knowledge
Quiz these words
Track your Progress. Register for Free
Register for Free to Track Progress
Share it with your friends
Get Access to over 9000 video lessons and 100 courses.
Build your vocabulary to fluency with our time interval learning system.
Speak and get instant feedback on your pronunciation & fluency.
Get real time reports, weekly reports and "level up" tests.
Embedded code copied to your clipboard
| 40 videos, 10 units
"Thomas Edison: A Life of Invention" is a great video,rich in useful information.BUT the incidental(accompanying) music was too loud that I could barely hear or understand the speaker;the speaker is much more important than this music.