The DMCA notices I've seen only swear to be authorized to act on the copyright owner's behalf, and/or that there is an exclusive license which the alleged file sharer doesn't have. The details about IP addresses, protocols, and timestamps are (at best) represented as a "good faith belief." It's never been clear to me if those sending the notices are making any claim that the

Do you have a reference for your claim that the entire notice must be filed under penalty of perjury? I have some that are completely implausible, and others that for which I have some doubt. If this were indeed perjury, that would probably be interesting to lawyers defending clients from similar evidence.

I use whatever window is open, and that's generally a lot of them. pgsl is very good at dates, but one can select almost anything you really need, too. bc -l works from almost any shell. google is smart enough for easy stuff.

Of course, someone will probably say they just PM CowboyNeal in IRC, but I actually prefer to do the easier calculations myself.

Since hydrogen has, at a theoretical best, a 1.0 eROI, it should never be considered an energy source.

Modern batteries (or even flywheels) are better at storing energy than stored hydrogen. The electric grids transmit energy more efficiently than hydrogen can be transported (except to exotic places where installing power lines is difficult. Like on a launching space shuttle.)