|
|
10/23
|
|
|
|
Kickoff
|
|
|
|
Assignment status
|
|
|
|
Assignment 1 due today
|
|
|
|
Design Notebook due today
|
|
|
|
Crossword puzzles will be returned today
|
|
|
|
Assignment 2 is posted and due on upcoming Monday
|
|
|
|
Mid-term evaluation are live.
|
|
|
|
How did the workshop go?
|
|
|
|
Cards
|
|
|
|
A note about cards
|
|
|
|
They are working great in this class
|
|
|
|
Is jquery the only way to fix cross-browser issues
|
|
|
|
No, most javascript libraries do this also, for whatever there domain is.
|
|
|
|
Will the future accuracy of GPS lead to privacy issues?
|
|
|
|
What navigation system is used for space ships?
|
|
|
|
I don't know
|
|
|
|
Why isn't GPS in geo-synchronous orbit?
|
|
|
|
part of it is (WAAS), part of it isn't
|
|
|
|
I'm not 100% sure, but I know there it is lower, less distortion and latency?
|
|
|
|
What languages/technologies should you know to be competitive
|
|
|
|
Corporate
|
|
|
|
Startup
|
|
|
|
Linux
|
|
|
|
Ruby/Rails
|
|
|
|
MySql
|
|
|
|
Amazon Cloud Services
|
|
|
|
Apache
|
|
|
|
How does the movement of a GPS client affect the accuracy of the positioning?
|
|
|
|
Not a whole lot. The satellites are moving a lot faster
|
|
|
|
How hard is it to make your own GPS device?
|
|
|
|
Depends on how low you want to go...
|
|
|
|
Low: Software Radio
|
|
|
|
High: OEM development kit
|
|
|
|
Is there a limit to the number of GPS receivers that the 24 satellites can handle?
|
|
|
|
No.
|
|
|
|
How does Wifi-based location differ from GPS?
|
|
|
|
Depending on how you look at it, not a whole lot.
|
|
|
|
But there is a lot of difference in the details
|
|
|
|
What are alternatives to GPS?
|
|
|
|
Loran
|
|
|
|
Celestial
|
|
|
|
Depends on the application
|
|
|
|
Are GPS satellites a military target? (ours or others)
|
|
|
|
To the best of my knowledge
|
|
|
|
Beidou
|
|
|
|
Baidu
|
|
|
|
are completely unrelated (but both Chinese)
|
|
|
|
Why does it take GPS in your car so long to find your location?
|
|
|
|
basically satellite lock - depends on your system, we'll talk about why
|
|
|
|
Why are we spending so much time on location?
|
|
|
|
It's an important component of interaction today
|
|
|
|
Although we've actually only spent 1 lecture on it.
|
|
|
|
Can GPS be shut down regionally?
|
|
|
|
I'm not 100% sure, but I don't think so.
|
|
|
|
What's a good cheap GPS receiver?
|
|
|
|
I'll give some away today. (Kyle)
|
|
|
|
What's my favorite GPS application?
|
|
|
|
Geo-Caching
|
|
|
|
Is the datum a choice between coordinate systems or a numeric system.
|
|
|
|
It is a choice between where 0,0 is and what the shape of the planet is
|
|
|
|
Multi-touch demo
|
|
|