Black Boxes for Spacecrafts
karvind writes "NewScientist is running story about NASA's plan to put small, heat-resistant black boxes that will transmit data back to Earth when future space probes break up during re-entry to the Earth's atmosphere. NASA will work with Aerospace Corporation to develop black boxes called Reentry Breakup Recorders (REBRs) weighing just 1 kilogram and spanning less than 30 centimetres."
The Blue Screen of Orbit Reentry is not a fun thing to experience.
There I was, walking down the street, minding my own business, when .... BONK! Black box to the head.
Toronto-area transit rider? Rate your ride.
There's got to be a beacon incorporated into the design because if that thing (30 cm.) lands in a very deep spot in the ocean it's going to be hard to find!
What good is a lost blackbox?is 'craft', not 'crafts' :)
Andy Armstrong
"These things are so light and easy to attach, we would like to have several on everything that flies"
Try getting back in your hive now, bitch!
Besides, they are planning on attaching these to unmanned craft first. This will give them a great deal of information about how the materials used react to reentry. This helps make things safer for people on the ground as they really can design craft that disintegrate on reentry.
Where's the Kaboom?
There's supposed to be an Earth-shattering Kaboom.
If we made stuff that never failed, how would we ever know we'd done it? We only learn that we haven't successfuly made things that never fail when things fail, and when things fail then we need the best evidence as to how they fail so we can stop it happening again.
-WolfWithoutAClause
"Gravity is only a theory, not a fact!"I don't think he had time to read that as he was trying to get in the first post.
For unmanned stuff, the goal is when, not if. You want this stuff to breakup on reentry so fewer (and smaller) pieces reach the ground, possibly causing damage.
I've heard of squeezing Linux into small devices, but a window manager on a space probe is a bit ridiculous, don't you think? TCP just isn't designed to handle that much lag time and network interference.
But if the transmitter is damaged you'll still have to go find it.
I've seen wreckage of large aircraft. A lot of pieces were very recognizeable, or still in one piece. Engine turbines, weapons hard points. But obviously, you can't make the whole aircraft out of that. It would never get off the ground.
Launching an extra kilo into orbit? That's actually pretty expensive isn't it.
# cat
Damn, my RAM is full of llamas.
Keep that in mind.
I suggest you read Slashdot
...but I'd think desinging the spaceships so they don't break up on reentry might be a better idea.
Update Watch - Automatic software update notification
Hmm, I wonder what could be inside....
Half-dead cats
Table-ized A.I.
My Honda Civic has a black box to record crash data, but $100 million space craft don't. Um, duh.
Obviously, the editorim didn't pay attentions to verb endae during their English classices.
...our new era of information saturation.
As sensors become smaller, lighter, and more networked, it makes sense to put recording devices on ANYTHING remotely mission critical, mainly because at a certain point it becomes negligent not to.
When I ride over the Queensboro Bridge in NYC, I stare up with apprehension at the thousands of rusting girders that hold that rattletrap together. The only thing forestalling a collapse is having actual dudes crawling over it all the time checking visually for cracks and obvious failures. The smart pebble technology previously mentioned on Slashdot - http://www.betterroads.com/articles/feb03b.htm - would make me feel more comfortable.
I feel the same way on airplanes- do I trust that a ground tech working for a lowest-bidder maintenance company has adequately checked the airframe? I sure would like real-time fatigue information being beamed to the pilot, so he can decide wether to fly or not based on risking his own skin.
The most amazing thing about our age of astounding engineering is still the amount of ignorance we maintain about our constructions (Bucky Fuller's famous, and unanswered question to an architect: How much does your building weigh?). Thus, safety margins, inspections, building codes, all serving as bandaids to a fundamental ignorance that bites back BIG when a failure does occurr (sure, the WTC can absorb the impact, but can it survive the potential energy bundled in a plane, including the BTUs in the fuel? Nope).
Privacy wonks will worry about networked sensors in their toilets watching them take a crap, but really, if anyone wants to see mine, they're more than welcome to it- I just don't want to hear about it (eeewwww).
Marc Siry || interactive media professional, motorcycle enthusiast ||
Really, if you can make something that will survive falling from space, shouldn't you just build that around the astronauts so that they can survive too? Hell, I'd like my car built like one as well.
porp
Don't worry. Anyone can make that mistake. Including NASA.
Maybe because the entire craft is subject to different performance requirements than the black box alone? You know, like low weight? And note that the survivability of the black box results from the survivability of the entire craft that houses the box. The black box only remains after most of the reentry energy has been used to burn up the rest of the craft.