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Posts: 5465 Joined: 5/27/09 Community Manager MikeB 

Please do not necro threads.

A hybrid solar panel to make hydrogen
Duke researcher combines solar collector with methanol to make hydrogen which could be used to make electricity in homes for on-site electricity. The best use of the sun's energy is to make hydrogen, according to a Duke University researcher.
Guide to good barrels: more of a guide than a review.
When we started playing airsoft in the mid-90's there was only 1 type of aftermarket barrel available. Now there are dozens of companies making barrels and some even have multiple types. PDI, Prometheus, Systema, Madbull, KM, JBU, Deep Fire, Matrix and many others offer aftermarket barrels.