New top story on Hacker News: Building a Balloon Launcher for the “I Spy” Books (2016)
Building a Balloon Launcher for the “I Spy” Books (2016)
15 by jihadjihad | 1 comments on Hacker News.
15 by jihadjihad | 1 comments on Hacker News.
New top story on Hacker News: Building a Balloon Launcher for the “I Spy” Books (2016)
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