That's probably because a sensor deteriorated, ultimately forcing engineers to turn on a backup instrument.
That means more reeds, more cork grease, more valve oil... even a backup instrument, if you play something small and have an old, dinky one laying around that could be used in an emergency.
The spacecraft is made of the supporting structure and some instruments from the 2001 Mars Surveyor lander, which never flew because of cost overruns, and several backup instruments from the unsuccessful Mars Polar Lander in 1999.
Here we present the results of a series of impact experiments performed at the NASA Ames Vertical Gun Range designed to explore the LCROSS event using both high-speed cameras and LCROSS flight backup instruments.
Nina Nastasia sings visions of desolation and unflinching love -- "dirty hands and dirty feet and all" -- with melodies that can hint at the symmetries of Appalachian music and a homespun backup from instruments like accordion and banjo.
In her clear voice, Nina Nastasia sings visions of desolation and unflinching love -- "dirty hands and dirty feet and all" -- with melodies that can hint at the symmetries of Appalachian music and a homespun backup from instruments like accordion and banjo.
As he peels away the layers of the first song and of himself the other cast members rise from the chairs and sofas where they've been lounging and take their places behind him, singing backup and playing instruments.
As he peels away the layers of the first song — and of himself — the other cast members rise from the chairs and sofas where they've been lounging and take their places behind him, singing backup and playing instruments.
These include the heavy use of acoustic guitar, dobro, mandolin, a single classical string instrument as backup (such as a fiddle or bass), autoharps and pianos.
Icarus Instruments, a small company in Takoma Park, Md., sells hardware and software that enables pilots to use a Compaq iPaq hand-held as an emergency backup for their primary instruments.
Anytime a so-called country singer steps onstage with electrified instruments and backup singers, and without a five-string banjo, a dobro, a mandolin, and a fiddle, you can be sure that he isn't country.
