注定失败的超音速客机：图144的前世今生

This year the Wayback Machine turns 20! And we've been archiving web pages since 1996. Many don't realize that the Wayback Machine captures more than just screenshots! It's a complex set of tools. Our intern, University of Southern California computer science student Bridget Bell, lifts up the hood & gives you a look at how the #WaybackMachine actually works. Take it for a spin yourself: https://web.archive.org | Internet Archive

⏳25 years ago we started crawling the Web. ⏲️20 years ago we created the Wayback Machine, allowing you to search back in time. 🖥️Today we preserve 625 billion web pages. Do you use the Wayback Machine? Please chip in & keep this free service going: https://archive.org/donate/?origin=fb-eoy2021 | Internet Archive