Using magnetic instead of electric properties of the thread «may seem like a small difference, but it's what makes this work interesting and exciting,» says Chris Harrison, a computer scientist at Carnegie Mellon University, who was not part of the research. (scientificamerican.com)
The IRS published a Private Letter Ruling last Friday, responding to a request to determine whether, the cost of installing energy storage to be integrated into a residential PV system would qualify as a «qualified solar electric property expenditure» eligible for the Investment Tax Credit (ITC). (pv-magazine-usa.com)
It states that: «The term «qualified solar electric property expenditure» means an expenditure for property which uses solar energy to generate electricity for use in a dwelling unit located in the United States and used as a residence by the taxpayer.» (solar-estimate.org)