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Grounded updates from real sources (RSS/arXiv/NVD/KEV). AI synthesis is optional and clearly labeled.

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2026-04-28 · Δ 16 new vs 2026-04-27 · generated 2026-04-28T01:34:15Z · 0.18s

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FRESH
digest 2026-04-28 · generated 2026-04-28T01:34:15Z · no feed lag detected · news sources 6/6 ok · Δ 16 new

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Highlights

Highlights (extractive; metadata-only).
Top highlights (metadata-only; no AI synthesis):

- NEWS · AI: OpenAI available at FedRAMP Moderate (https://openai.com/index/openai-available-at-fedramp-moderate) — OpenAI Blog
snippet: OpenAI is available at FedRAMP Moderate authorization for ChatGPT Enterprise and the OpenAI API, enabling secure AI adoption for U.S. federal agencies.
- NEWS · AI: The next phase of the Microsoft OpenAI partnership (https://openai.com/index/next-phase-of-microsoft-partnership) — OpenAI Blog
snippet: OpenAI and Microsoft announce an amended agreement that simplifies the partnership, adds long-term clarity, and supports continued AI innovation at scale.
- NEWS · AI: An open-source spec for orchestration: Symphony (https://openai.com/index/open-source-codex-orchestration-symphony) — OpenAI Blog
snippet: Learn how Symphony, an open-source spec for Codex orchestration, turns issue trackers into always-on agent systems—boosting engineering output and reducing context switching.
- NEWS · AI: Choco automates food distribution with AI agents (https://openai.com/index/choco) — OpenAI Blog
snippet: How Choco used OpenAI APIs to streamline food distribution, boost productivity, and unlock growth—an in-depth customer story on real-world AI impact.
- NEWS · AI: Our principles (https://openai.com/index/our-principles) — OpenAI Blog
snippet: Our mission is to ensure that AGI benefits all of humanity. Sam Altman shares five principles that guide our work.
- NEWS · Networking: The AWS outage post-mortem is more revealing in what it doesn’t say (https://www.computerworld.com/article/4082890/the-aws-outage-post-mortem-is-more-revealing-in-what-it-doesnt-say.html) — Brave News
snippet: The company listed all of the systems that went haywire, but never really identified what happened differently that day to cause problems. Worse yet, putting out technology brushfires this way leaves the forest in danger of burning again.
- NEWS · Projects: 5 open-source developer tools that are better than their well-funded competitors (https://www.xda-developers.com/open-source-developer-tools-that-are-better-than-their-competitors/) — Brave News
snippet: As someone who frequently maps ... brainstorming a new project layout on an infinite canvas (like dragging in blocks, drawing connectors, and grouping ideas), and then flip to a document view to refine the technical specs. AFFiNE is an o…
- NEWS · Education: The Ed-Tech Backlash Is Here. What It Means for Schools (https://www.edweek.org/technology/the-ed-tech-backlash-is-here-what-it-means-for-schools/2026/04) — Brave News
snippet: Most educators—74%—say their ... technology due to pushback or complaints from parents, according to the EdWeek Research Center survey. The percentage of districts dialing back tech use in school could rise as generative AI increasingly…
- NEWS · Cybersecurity: Microsoft releases emergency patches for critical ASP.NET flaw (https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-emergency-security-updates-for-critical-aspnet-flaw/) — Brave News
snippet: Microsoft has released out-of-band (OOB) security updates to patch a critical ASP.NET Core privilege escalation vulnerability.
- NEWS · Compute: CPU requirements for AI workloads are multiplying, driving intensifying shortages and price hikes — Intel already shifting production from consumer chips to Xeon as inference workloads drive server CPU ratios back toward (https://www.tomshardware.com/pc-components/cpus/shifting-need-for-cpus-in-ai-workloads-drives-intensifying-shortages-price-hikes) — Brave News
snippet: Intel says CPU-to-GPU deployment ratios have tightened from 1:8 to 1:4, and could reach 1:1.
- NEWS · Biotech: Breakthrough Technique Surpasses Medication in Treating Advanced Atrial (https://bioengineer.org/breakthrough-technique-surpasses-medication-in-treating-advanced-atrial-fibrillation/) — Brave News
snippet: A groundbreaking international clinical trial led by researchers at the University of British Columbia has unveiled a transformative approach in treating advanced atrial fibrillation (AFib), challenging the long-standing medical norm of…
- NEWS · Networking: April 2026 Outage Post-Mortem - Jim's Pckt - pckt (https://pckt.blog/b/jcalabro/april-2026-outage-post-mortem-219ebg2) — Brave News
snippet: Hey all! I'm Jim, and I do system-y things at Bluesky. I'm here to give you some details about what happened on Monday of this week that caused Bluesky to go do...

Digest

Tech + AI + Science News

Tech + AI + Science News

12 item(s)

OpenAI available at FedRAMP Moderate new
OpenAI Blog · 2026-04-27
Open
OpenAI is available at FedRAMP Moderate authorization for ChatGPT Enterprise and the OpenAI API, enabling secure AI adoption for U.S. federal agencies.
The next phase of the Microsoft OpenAI partnership
OpenAI Blog · 2026-04-27
Open
OpenAI and Microsoft announce an amended agreement that simplifies the partnership, adds long-term clarity, and supports continued AI innovation at scale.
An open-source spec for orchestration: Symphony
OpenAI Blog · 2026-04-27
Open
Learn how Symphony, an open-source spec for Codex orchestration, turns issue trackers into always-on agent systems—boosting engineering output and reducing context switching.
Choco automates food distribution with AI agents
OpenAI Blog · 2026-04-27
Open
How Choco used OpenAI APIs to streamline food distribution, boost productivity, and unlock growth—an in-depth customer story on real-world AI impact.
The AWS outage post-mortem is more revealing in what it doesn’t say
Brave News
Open
The company listed all of the systems that went haywire, but never really identified what happened differently that day to cause problems. Worse yet, putting out technology brushfires this way leaves the forest in danger of burning again.
5 open-source developer tools that are better than their well-funded competitors
Brave News
Open
As someone who frequently maps ... brainstorming a new project layout on an infinite canvas (like dragging in blocks, drawing connectors, and grouping ideas), and then flip to a document view to refine the technical specs. AFFiNE is an open-source PKM tool that rivals ...
The Ed-Tech Backlash Is Here. What It Means for Schools
Brave News
Open
Most educators—74%—say their ... technology due to pushback or complaints from parents, according to the EdWeek Research Center survey. The percentage of districts dialing back tech use in school could rise as generative AI increasingly becomes integral to ed-tech tools, and educators, parents, and students see the downsides of too much AI use. Surveys from multiple organizations so far show that while parents want their children to learn how to use ...
Microsoft releases emergency patches for critical ASP.NET flaw new
Brave News
Open
Microsoft has released out-of-band (OOB) security updates to patch a critical ASP.NET Core privilege escalation vulnerability.
Generative AI Vegetarianism new
Hacker News · 2026-04-28
Open
Comments
New Integrated by Design FreeBSD Book new
Hacker News · 2026-04-27
Open
Comments
Talkie: a 13B vintage language model from 1930 new
Hacker News · 2026-04-27
Open
Comments
Three men are facing charges in Toronto SMS Blaster arrests new
Hacker News · 2026-04-27
Open
Comments
Research (arXiv)

Research (arXiv)

0 item(s)

No items in this section.
Security (NVD + CISA KEV)

Security (NVD + CISA KEV)

0 item(s)

No items in this section.
Projects + Resources (Discovery)

Projects + Resources (Discovery)

10 item(s)

Introduction — scikit-rf Documentation new
Brave Search
Open
To plot all four s-parameters of the ring_slot in Mag, Phase, and on the Smith Chart. ... The NetworkSet object represents an unordered set of networks and provides methods for calculating statistical quantities and displaying uncertainty bounds. A NetworkSet is created from a list or dict of Networks’s. This can be done quickly with rf.read_all() , which loads all skrf-readable objects in a directory.
Circuits — scikit-rf Documentation new
Brave Search
Open
Unreduced Circuit calculate Network ... Network in 0.0005s Manually reduced circuit has the same s-parameters as the original circuit: True Auto reduced circuit has the same s-parameters as the original circuit: True · [1] Hallbjörner, P., 2003. Method for calculating the scattering matrix of arbitrary microwave networks giving ...
Basic OFDM Tutorial - GNU Radio new
Brave Search
Open
<strong>GNU Radio provides blocks to transmit and receive OFDM-modulated signals</strong>. These blocks are designed in a very generic fashion. As a developer, this means that often, a desired functionality can be achieved by correct parametrization of the available blocks, but in some cases, custom blocks ...
OpenOFDM: Synthesizable, Modular Verilog Implementation of 802.11 OFDM Decoder — OpenOFDM 1.0 documentation new
Brave Search
Open
<strong>OpenOFDM is a open source Verilog implementation of 802.11 OFDM decoder</strong>.
OFDM Signal Transmission and Reception Using Amateur SDR Devices new
Brave Search
Open
In this hands-on project work, ... modulation OFDM subcarriers, we transmit IQ samples generated in python. We use the open-source toolkit, <strong>GNU Radio Companion</strong>, to generate and detect the OFDM signals....
Information-Theory and Coding Course: PDF & Video new
Brave Search
Open
Course Outline: 1 Channel basic properties 2 Information capacity 3 Examples of channel’s information capacity ... In this lecture on the Channel Coding Theorem, we delve into fundamental concepts in information theory, particularly focusing on the relationship between achievable rates and a channel’s coding capacity.
Information Theory and Coding Computer Science Tripos Part II, Michaelmas Term new
Brave Search
Open
<strong>The aims of this course are to introduce the principles and applications of information theory</strong>. The course will study how information is measured in terms of probability and entropy, and the · relationships among conditional and joint entropies; how these are used to calculate the capacity ...
GNU Radio new
Brave Search
Open
<strong>GNU Radio 4.0</strong> RC1: A New Foundation for High-Performance Signal Processing <strong>GNU Radio 4.0</strong> has reached its first release candidate (RC1)—a major milestone that signals the transition from active development to near-production readiness. See the tag for all the details.
GitHub - gnuradio/gnuradio: GNU Radio – the Free and Open Software Radio Ecosystem new
Brave Search
Open
GNU Radio has found use in software-defined radio, digital communications, nuclear physics, high- energy particle physics, astrophysics, radio astronomy and more! ... # Ensure PyQt5 and other dependencies are installed pip install QDarkStyle qtpy # If you want to run tests pip install pytest-qt pyautogui # Build and install as usual (described below) and then run gnuradio-companion --qt
GitHub - AllenDowney/ThinkDSP: Think DSP: Digital Signal Processing in Python, by Allen B. Downey. · GitHub new
Brave Search
Open
<strong>Think DSP</strong> is an introduction to Digital Signal Processing in Python.

Sources

Grounded items come from local feed artifacts (metadata-only). This panel shows feed freshness and errors.

Feeds: generated 2026-04-28T01:18:03Z · 20.905s · ok
news ok

News (RSS/Atom)

900 item(s) · updated 2026-04-28T01:18:24Z · sources 6/6 ok · newest 2026-04-28 · configured
News sources (6/6 ok)
OpenAI Blog ok
18 item(s) · newest 2026-04-27
Hacker News ok
18 item(s) · newest 2026-04-28
GitHub Blog ok
10 item(s) · newest 2026-04-20
ScienceDaily — Artificial Intelligence ok
18 item(s) · newest 2026-04-20
ScienceDaily — Education & Learning ok
18 item(s) · newest 2026-03-11
ScienceDaily — Stem Cells ok
18 item(s) · newest 2026-04-08
arxiv ok

Research (arXiv)

180 item(s) · updated 2026-04-28T01:18:04Z · newest 2026-04-27
nvd ok

Security (NVD)

600 item(s) · updated 2026-04-28T01:18:04Z · newest 2026-04-28
kev ok

Security (CISA KEV)

600 item(s) · updated 2026-04-28T01:18:05Z · newest 2026-04-28
brave ok

Discovery (Brave)

577 item(s) · updated 2026-04-28T01:18:05Z · newest 2026-04-28 · configured

Archive

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