A rare solar eclipse is plunging Norfolk into darkness this week on August 12. "Unfortunately we do not have glasses available at Norfolk Libraries." Solar eclipse coverage Wednesday, August 12 (Image: PA Wire)Only certified eclipse glasses should be used. Norfolk Libraries also directed people to a video on how to make a pinhole viewer at home, which allows for safe indirect viewing of the eclipse. This week's event marks the most significant solar eclipse visible from the UK since 1999.