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All Chemical Elements in Order - Periodic Table of Videos

All Chemical Elements in Order - Periodic Table of Videos

From Hydrogen to Oganesson watch a video about all 118 chemical elements from periodic table of videos. Man behind most demonstrations and experiments is The Royal Society Hauksbee Award winner for his outstanding work in chemistry labs, Senior Lab Technician Neil Barnes.
Primitive Technology: Charcoal

Primitive Technology: Charcoal

Make a batch of charcoal using the mound method then stored it in baskets for later use. The result is a nearly pure carbon fuel that burns hotter than wood without smoke and with less flame. Charcoal was primarily a metallurgical fuel in ancient times but was sometimes used for cooking too.
Primitive Technology: Bow and Arrow

Primitive Technology: Bow and Arrow

I made this bow and arrow using only primitive tools and materials.The bow is 1.25 m (55 inches) long and shoots 60 cm (2 feet) long arrows. I don't know the...
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