Copenhagen Suborbitals: Turbopump testing

Copenhagen Suborbitals as begun making hydrogen peroxide (see earlier post with video), which they will use to test the turbo pump for their liquid fuel engine: DIY Rocket Grade Hydrogen Peroxide – Wired Science/

Turbo pump tests were performed today with success running at app 2500 rpm as a start. Eventually this pump might be used for pressure feeding our LOX/alcohol engine.

“Planetarium” by Sufian Stevens, Bryce Dessner, Nico Muhly makes US premier

Sufjan Stevens, Bryce Dessner, and Nico Muhly have created an elaborate song cycle show titled Planetarium, which includes 10 songs on the theme of the Solar System. Here are some reviews of the America premier of the concert held at the Brooklyn Academy of Music last week:

The work was also performed at the Sydney Opera House last summer: Planetarium at the Sydney Opera House – Workhorse – June.25.12

Here is a performance of “Jupiter”:

The following video will continue through all ten songs from the show in Amsterdam on April 8th 2012: