In 1979, the Japanese state broadcaster NHK first developed consumer high-definition television with a 5:3 display aspect ratio. The system, known as Hi-Vision or MUSE after its Multiple sub-Nyquist sampling encoding for encoding the signal, required about twice the bandwidth of the existing NTSC system but provided about four times the resolution (1080i/1125 lines). Satellite test broadcasts started in 1989, with regular testing starting in 1991 and regular broadcasting of BS-9ch commencing on November 25, 1994, which featured commercial and NHK programming.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): In what year did NHK first develop consumer HD television with a 5:3 aspect ratio?
Ah, so.. 1979

In 2010 and 2011, state and federal funds were awarded to Connecticut (and Massachusetts) to construct the Hartford Line, with a southern terminus at New Haven's Union Station and a northern terminus at Springfield's Union Station. According to the White House, "This corridor [currently] has one train per day connecting communities in Connecticut and Massachusetts to the Northeast Corridor and Vermont. The vision for this corridor is to restore the alignment to its original route via the Knowledge Corridor in western Massachusetts, improving trip time and increasing the population base that can be served." Set for construction in 2013, the "Knowledge Corridor high speed intercity passenger rail" project will cost approximately $1 billion, and the ultimate northern terminus for the project is reported to be Montreal in Canada. Train speeds between will reportedly exceed 110 miles per hour (180 km/h) and increase both cities' rail traffic exponentially.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What is the name of the corridor in western Massachusetts by which federal authorities sought to improve trip times and the amount of the population served in both New Haven and Springfield? 
Ah, so.. Knowledge Corridor

As of the 2010 U.S. Census, there were 113,394 people, 45,634 households, and 21,704 families residing in the city. The population density was 4,270.33 people per square mile (2653.47/km²). There were 49,982 housing units at an average density of 1,748.0 per square mile (675.0/km²), making it less densely populated than inner-ring Detroit suburbs like Oak Park and Ferndale (and than Detroit proper), but more densely populated than outer-ring suburbs like Livonia or Troy. The racial makeup of the city was 73.0% White (70.4% non-Hispanic White), 7.7% Black or African American, 0.3% Native American, 14.4% Asian, 0.0% Pacific Islander, 1.0% from other races, and 3.6% from two or more races. Hispanic or Latino residents of any race were 4.1% of the population.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What is the population density of the city?
Ah, so..
4,270.33 people per square mile