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This is a great piece about the invention of gun powder.

Thanks for putting this article out there! I learned about the role of alchemy and the eternal search for immortality. How ironic the invention would lead to such mortality.

Making a bloom requires an iron smelting furnace. The work on the actual smelting end (creation of the iron blooms) is a combination of a learning process extended into experimental archaeology.

THanks for the link. I was intrigued because I did some experimental archaeology myself. I wondered what you thought about his approach, and how it might be useful in your work? Fascinating stuff!

This site offers a large variety of woodworking recipes for a very low cost. It gives me ideas and designs to work on with no design required prior. It gives me the ability to go into the shop whenever I want and work on a project. This source is definitely a helpful one due to its low cost and bountiful. It sells complete recipes with cost ranging from $1 to $50, a fair price for allowing to skip the day long planning period of projects. Compared to other sources this one rates fairly average and does not necessarily wow me. I would recommend this to anyone looking to do woodworking, but doesn't like sketching models and plans. In conclusion I will use this source to get cheap plans for small work projects and slow days. It didn't really effect my learning but it certainly gave me a good amount of resources.

Khan Academy where college professors upload videos on what lessons they teach in class. Anyone can access these lessons, and learn about the different subject matters. It has videos on math, English, science, and history.