Gravitational waves

A small selection of links relating to the recent excitement re gravitational waves:

• Scientists struggle to stay grounded after possible gravitational wave signal (Guardian)
• Gravitational waves: breakthrough discovery after a century of expectation (Guardian)
• Gravitational waves: why it's impossible not to be thrilled by this discovery (Guardian)
• Scientists to make gravitational wave announcement 100 yrs after Einstein's theory of relativity (RT)
• Gravitational waves for dummies: Key facts about Einstein's unsolved mystery (RT)