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5:50 Conversational English (US) A2

What If World War III Happened Tomorrow?

What If - 5 years ago

5,403,624 views
4:59 Conversational English (US) A2

How a High-Tech Drone Fleet Is Changing Medicine in Rwanda

Seeker - 5 years ago

52,813 views
7:02 Conversational English (US) A2

What If You Met a Time Traveler?

What If - 6 years ago

5,299,688 views
4:58 Conversational English (US) A2

Capacitors in Series and Parallel

Physics Videos by Eugene Khutoryansky - 5 years ago

110,825 views
7:15 Conversational English (US) A2

Sergey Brin: Why Google Glass?

TED - 12 years ago

283,182 views
5:29 Conversational English (US) A2

MAKE presents: The LED

Make: - 16 years ago

1,567,902 views
6:09 Conversational English (US) A2

William Kamkwamba: How I built a windmill

TED - 18 years ago

1,087,989 views
4:06 Conversational English (US) A2

Energy 101: Fuel Cell Technology

U.S. Department of Energy - 11 years ago

132,895 views
5:18 Conversational English (US) A2

Medical Science--Career Choice for the 21st Century

LabTV - 10 years ago

56,232 views
6:19 Conversational English (US) A2

Laravel vs Codeigniter - A quick comparison for you to decide

Happy Developers - 8 years ago

148,518 views
9:56 Conversational English (US) A2

Malte Spitz: Your phone company is watching

TED - 13 years ago

139,593 views
4:23 Conversational English (US) A2

Cancer, Interrupted: Garlic & Flavonoids

NutritionFacts.org - 12 years ago

269,943 views
8:47 Conversational English (US) A2

Fahad Al-Attiya: A country with no water

TED - 12 years ago

142,819 views
4:21 Conversational English (US) A2

LET ME SMELL YOUR BREATH -- Mind Blow #65

Vsauce2 - 12 years ago

1,898,295 views
4:26 Conversational English (US) A2

The new MacBook - Design

Apple - 10 years ago

6,692,067 views
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