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Piano Keys

news.ycombinator.com Unknown 2025-07-16 02:50:17

Piano Keys If you've ever looked closely at a piano keyboard you may have noticed that the widths of the white keys are not all the same at the back ends (where they pass between the black keys). Of course, if you think about it for a minute, it's clear they couldn't possibly all be the same width, assuming the black keys are all identical (with non-zero width) and the white keys all have equal widths at the front ends, because the only simultaneous solution of 3W=3w+2b and 4W=4w+3b is with b=0

Topics: black discrepancy keys white widths

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Researching LED Displays for the Time Circuits

news.ycombinator.com Dave Madison 2025-08-19 03:02:15

Now that I have a tentative plan for how I’m going to control all 300-some LED segments, the next step towards making this prop a reality is to figure-out the specifications for the LED displays. The Original Prop Displays I’m going to start, as you’d expect, by looking at the original film props. This image should be familiar by now. This shot is the first time the audience sees the time circuits and is what everyone thinks of when they imagine “the time circuits” from the films. These are t

Topics: digit display displays time width

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HDMI 2.2 specs are out with ‘Ultra96’, here’s what that means for your setup

9to5mac.com Marcus Mendes 2025-08-28 05:07:19

The HDMI Forum has officially released version 2.2 of the HDMI specification, bringing support for video resolutions up to 16K at 60Hz and boosting maximum bandwidth to 96Gbps. Alongside the spec, there’s a new cable designation called Ultra96. Here are the details. The nerdy part The HDMI 2.2 spec now supports up to a whopping 16K at 60Hz, and 12K at 120Hz. For uncompressed formats with full 4:4:4 chroma and 10-bit and 12-bit color, it can handle 4K at 240Hz, and 8K at 60Hz. That is thanks t

Topics: bandwidth forum hdmi new ultra96

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HDMI 2.2 standard finalized: doubles bandwidth to 96 Gbps, 16K resolution support

techspot.com Rob Thubron 2025-08-29 09:31:00

What just happened? Following the standard's debut at CES 2025, HDMI 2.2 has now been finalized by the HDMI Forum. The full spec confirms much of what we heard six months ago, including doubling the maximum bandwidth of HDMI 2.1 to 96 Gbps – more than DisplayPort. While using HDMI 2.2 does not require a new connector, taking advantage of all its best features requires a new Ultra96 cable – a reference to its maximum bandwidth. 96Gbps is double the 48Gbps max bandwidth of HDMI 2.1 and is more th

Topics: bandwidth cables forum hdmi standard

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Bandwidth vs. Latency: We Chatted With an Internet Connectivity Expert to Understand the Difference

cnet.com See Full Bio 2025-09-03 08:45:00

Having fast, reliable home internet is essential these days for work, school, streaming and browsing. But understanding how much speed you need, or even what "internet speed" even means, can be a daunting task. Bandwidth and latency are two key factors that affect how we perceive the speed of our internet connection. But while you may hear them used together quite often, these two terms have distinct meanings. Understanding what they are and the difference between them can help you troubleshoot

Topics: bandwidth connection internet latency speed

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Van Gogh, AMD's Steam Deck APU (2023)

news.ycombinator.com Chester Lam 2025-09-09 22:26:58

Zen 2’s launch was a defining moment for AMD. For the first time in many, many years, AMD’s single thread performance could go head to head with Intel’s best. Zen 2 also started a trend where AMD brought up to 16 cores to desktop CPUs, giving consumers very strong multithreaded performance without having to buy HEDT platforms. But Zen 2 was also flexible and did a very good job of scaling down to lower power targets. That was especially true when Zen 2 cores were implemented in more power effic

Topics: bandwidth cpu gogh gpu van

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Linux kernel WireGuard can go 'fast' on decent hardware

news.ycombinator.com Unknown 2025-09-12 09:34:22

I'm used to thinking of encryption as a slow thing that can't deliver anywhere near to network saturation, even on basic gigabit Ethernet connections. This is broadly the experience we see with our current VPN servers, which struggle to turn in more than relatively anemic bandwidth with OpenVPN and L2TP, and so for a long time I assumed it would also be our experience with WireGuard if we tried to put anything serious behind it. I'd seen the 2023 Tailscale blog post about this but discounted it

Topics: 1g bandwidth fast servers wireguard

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PCIe 7.0 is coming, but not soon, and not for you

theverge.com Jess Weatherbed 2025-09-17 00:22:06

The PCIe 7.0 specification has now been released, while many of us are still waiting for PCIe 6.0 to materialize in consumer products. The PCI Special Interest Group (PCI-SIG) announced on Wednesday that PCIe 7.0 is now available to members of its organization, delivering a theoretical maximum bandwidth speed of 512GB per second in both directions, across a x16 connection. “PCIe technology has served as the high-bandwidth, low-latency IO interconnect of choice for over two decades and we are pl

Topics: bandwidth consumer pci pcie sig

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Latest Tech News

Piano Keys

Researching LED Displays for the Time Circuits

HDMI 2.2 specs are out with ‘Ultra96’, here’s what that means for your setup

HDMI 2.2 standard finalized: doubles bandwidth to 96 Gbps, 16K resolution support

Bandwidth vs. Latency: We Chatted With an Internet Connectivity Expert to Understand the Difference

Van Gogh, AMD's Steam Deck APU (2023)

Linux kernel WireGuard can go 'fast' on decent hardware

PCIe 7.0 is coming, but not soon, and not for you

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