Tim Sweeney

@TimSweeneyEpic

Cary, NC
unrealengine.com
Joined August 2013
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  1. Retweeted
    Sep 14

    A free poster about memory, in high-res - ideal for printing and hanging on the wall! You can get it from - as promised, published altogether with the book:)

    8 replies 325 retweets 773 likes
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  2. Sep 15

    “The question of whether Machines Can Think is about as relevant as the question of whether Submarines Can Swim.” - Dijkstra

    9 replies 58 retweets 344 likes
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  3. Retweeted
    Sep 14

    Fortnite won’t require Nintendo’s premium online service for play

    11 replies 63 retweets 283 likes
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  4. Sep 14

    An int64 i containing 8 bytes of flags that are 0-1 can be converted to an int8 bitmask with i*0x0102040810204080>>56. Neat trick for atomic-free garbage-collector card table traversal.

    17 replies 35 retweets 284 likes
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  5. Retweeted
    Sep 13

    This terrifying and awesome and educational thing going around was made with UE4! More here on that:

    1:47
    Scary as fuck weather report. First it's like, ah smart use of green screen, then it's like holy fucking shit.
    Show this thread
    6 replies 146 retweets 375 likes
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  6. Retweeted
    Sep 13

    Epic, & present a new real-time production workflow: *performance capture *virtual reality *multi-user collaboration *real-time ray tracing Feature-quality, final pixels in real time. Using a single RTX GPU.

    6 replies 80 retweets 245 likes
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  7. Sep 12

    I wish Edge were a better browser. I’d happily switch from Chome if Edge didn’t have such a flickery, quirky UI that feels misproportioned and tablety.

    20 replies 6 retweets 60 likes
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  8. Sep 12

    If an OS vendor obstructed an Epic product in this manner, they’d find themselves in court on three continents.

    26 replies 85 retweets 340 likes
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  9. Retweeted
    Sep 12

    Great to be back at to show what we have been working on with ARKit 2.

    3 replies 12 retweets 54 likes
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  10. Retweeted
    Sep 11

    A nice geometric way of viewing the arithmetic, geometric, and harmonic means of two numbers. It is also easy to see that A>G>H.

    17 replies 538 retweets 1,467 likes
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  11. Retweeted
    Sep 10

    Sub-Region Matchmaking for Southeast Asia is now available. Find all the information here:

    1,071 replies 702 retweets 8,407 likes
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  12. Retweeted
    Mar 8

    Kim Libreri and myself are building a team here in the Bay Area focused on pushing the state of the art in real-time simulation and computer graphics. We are looking for others to join us and help build the future of Unreal. If interested contact me or

    4 replies 53 retweets 107 likes
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  13. Sep 8

    Jack is looking like a young Abraham Lincoln with his new beard and suspension of Habeas Corpus.

    2 replies 5 retweets 63 likes
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  14. Retweeted
    Sep 6

    Download on your Android phone, safely.

    Fortnite on Android: How to download it safely
    After a long wait, Epic Games is bringing Fortnite to Android phones. Here's how to get the beta on your device.
    8 replies 15 retweets 26 likes
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  15. Retweeted
    Sep 6
    Replying to

    You’ll be successful enough one day to be Twitter verified, Tim. I’m rooting for you!

    5 replies 2 retweets 19 likes
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  16. Sep 6

    Twitter is really upping its Survivor metagame with unique new ways to kick people off the island. Special privileges for verified users, shadowbanning, trial by pressure campaign, and good old executive fiat by

    15 replies 38 retweets 189 likes
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  17. Retweeted
    Sep 6

    We take a close look at the launch of Fortnite on Android in our technical breakdown. Get the details here -

    711 replies 675 retweets 8,320 likes
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  18. Retweeted
    Sep 3

    So over the last few months kids keep coming into the library asking if we have any books about this thing FORTNITE. We don't and I'd never heard of it so I tried asking what it was.

    900 replies 8,771 retweets 20,986 likes
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  19. Retweeted
    Sep 2

    This is a great graphic by Simon Thorpe describing human visual cortex pipeline and latencies involved.

    21 replies 226 retweets 586 likes
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  20. Retweeted
    Feb 13

    Here is an extraordinarily straightforward distillation of what computers and software mean for society. We've only begun to seriously reckon with this core challenge in recent years, which sometimes seems as though it's already too late. And this was aired in 1978.

    1:06
    This description of a computer James Burke did 40 years ago is creepy.
    7 replies 57 retweets 160 likes
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