DIY Disposable French Press

This my DIY version coffee brewer is a single-brew French press. all you need to do is: open, pour 1 cup hot water into the pouch, and let it brew 2-4 minutes. This is great for leave no trace camping or backpacking. Or you can just buy them pre made. At http://amzn.to/1CU7TxU My amazon store is here http://astore.amazon.com/n027a-20 I will not cost you anything to use the link but it…

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Improvised DIY diode ( over complicated )

Building your own diodes During World War I, soldiers in the field made their own radios to listen to programs for entertainment and news. They had access to wire from broken down vehicles, and telephone receivers, but they did not have modern solid state diodes in little glass tubes. However, it is surprising to find out just how many ordinary objects can act as a diode, letting current flow one…

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