this post was submitted on 03 Jan 2024
211 points (94.1% liked)

Technology

57997 readers
2866 users here now

This is a most excellent place for technology news and articles.


Our Rules


  1. Follow the lemmy.world rules.
  2. Only tech related content.
  3. Be excellent to each another!
  4. Mod approved content bots can post up to 10 articles per day.
  5. Threads asking for personal tech support may be deleted.
  6. Politics threads may be removed.
  7. No memes allowed as posts, OK to post as comments.
  8. Only approved bots from the list below, to ask if your bot can be added please contact us.
  9. Check for duplicates before posting, duplicates may be removed

Approved Bots


founded 1 year ago
MODERATORS
 

SR-72: US secret hypersonic jet to allegedly break sound barrier in 2025 | Believed to be a top-secret project of the US Air Force, the SR-72 is touted to reach over 4,000 mph (6,437 kph), making i...::undefined

you are viewing a single comment's thread
view the rest of the comments
[–] Mango@lemmy.world 14 points 8 months ago (7 children)

Surely that's not what's impressive about it? We can already do that right?

[–] maryjayjay@lemmy.world 3 points 8 months ago (6 children)
[–] jettrscga@lemmy.world 19 points 8 months ago* (last edited 8 months ago) (2 children)

I feel like I'm taking crazy pills.

The speed of sound is 343 m/s, 767 mph. This description is Mach 5, 5x the sound barrier.

An F-22 can go 1500 mph.

Apparently the first airplane to break the sound barrier was Bell X-1 in 1947.

[–] Balex@lemmy.world 5 points 8 months ago

Looks like the plan is for it to eventually reach speeds over 4000 mph.

load more comments (1 replies)
load more comments (4 replies)
load more comments (4 replies)