While solar water heater devices have been around for over 100 years, the last 20 years have seen significant advances in absorber coating technologies, resulting in solar collectors that can reliably convert >50% of available sunlight for domestic hot water supply.
In a cover letter accompanying the Friday delivery of the 384 pages of new text messages, Assistant Attorney General Stephen Boyd explained that technical issues with the FBI's retention software prevented the bureau from capturing messages sent between the two employees on their agency-issued phones from December 14, 2016 to May 17, 2017.
Also Read: Maeve Reston Wiki: Reporting, Politics, CNN, Net Worth, and Shaking Things Up Washington FBI Director Nomination On June 7, 2017, President Donald Trump announced via Twitter that he is nominating Christopher Wray as the next Director of the Federal Bureau of Investigation. This comes one month after James Comey was fired from this post. Government Service. In 1997, Christopher Wray was an assistant U.S. Attorney for the Northern District of Georgia.