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Improve Your Heart Rate Training Zones With The Karvonen Formula

How to use the Karvonen heart rate formula to improve training zones. A comparison with the percent maximum HR method.

2021-01-27T01:16:14-0800 Training 4 Endurance training4endurance 2,000 words

Rated 2024-12-30T18:31:23-0800 - sethherr

Joco almost died at launch. Now, it's a lifeline for e-bike delivery riders — and a profitable business

On a September morning in 2024, two Jonathan Cohens — one from the Rockaways in Queens, the other from London — stood in an empty 15,000-square-foot

2024-11-30T07:00:00-0800 TechCrunch Rebecca Bellan 2,000 words

Rated 2024-12-29T07:06:32-0800 - sethherr

PlasticList

Data on plastic chemicals in Bay Area foods

PlasticList 10,000 words

Rated 2024-12-28T21:18:11-0800 - sethherr

The torture of an unphilosophical life

#Culture

2024-12-25T16:03:27-0800 UnHerd Agnes Callard 5,000 words

Rated 2024-12-28T08:14:51-0800 - sethherr

Billionaire Daniel Ek Shuts Down Spotify Unwrapped Calculator

Multi-billionaire Daniel Ek has shut down the Spotify Unwrapped calculator that showcased how little the DSP pays to artists.

2024-12-23T16:45:10-0800 Digital Music News Ashley King 1,000 words

Rated 2024-12-28T07:47:38-0800 - sethherr

Hospitals Gave Them Meds During Childbirth. Why Did Patients Get In Trouble?

Mothers were reported after they were given medications used routinely for pain or in epidurals, to reduce anxiety or to manage blood pressure during cesarean sections. #Doctors #Health Care #Indiana #Pennsylvania #Texas

2024-12-11T03:00:00-0800 The Marshall Project Shoshana Walter 3,000 words

Rated 2024-12-28T07:37:30-0800 - sethherr

Batteries

I am a simple enthusiast attempting to convey my love and enjoyment of radio, electronics, and computing and perhaps to inspire YOU to build something too.

hanssummers.com Hans Summers 4,000 words

Rated 2024-12-27T19:22:51-0800 - sethherr

Seconds Since the Epoch

aphyr.com

Rated 2024-12-26T12:52:52-0800 - sethherr

When to Start Sleep Training

I’m answering all of your questions about sleep training: what is sleep training, when to start sleep training, how long does sleep training take, and more!

Taking Cara Babies 3,000 words

Rated 2024-12-26T07:32:54-0800 - l_wals773

Berkeley's Evolution On Housing

To understand and appreciate Adena Ishii's victory, it's important to understand how Berkeley got to this point and what the election really means vs. the bombastic headlines.

2024-12-23T13:56:36-0800 The Discourse Lounge Darrell Owens 3,000 words

Rated 2024-12-25T11:23:27-0800 - sethherr

Huge math error corrected in black plastic study; authors say it doesn’t matter

Correction issued for black plastic study that had people tossing spatulas.

2024-12-16T14:23:34-0800 Ars Technica Beth Mole 1,000 words

Rated 2024-12-20T21:01:32-0800 - sethherr

Introducing Governing San Francisco

Campaigns are marketing and sales. Governing is the product.

2024-11-12T10:24:13-0800 Governing San Francisco Zack Rosen 1,000 words

Rated 2024-12-19T19:31:09-0800 - sethherr

Alignment faking in large language models

A paper from Anthropic's Alignment Science team on Alignment Faking in AI large language models

anthropic.com 2,000 words

Rated 2024-12-19T19:01:38-0800 - sethherr

Optimizing Ruby’s JSON, Part 2

In the previous post, I covered my motivations for improving ruby/json’s performance, and detailed the first 4 notable optimizations applied to speed up JSON generation.

2024-12-18T08:05:51-0800 byroot’s blog 3,000 words

Rated 2024-12-18T19:12:01-0800 - sethherr

Optimizing Ruby’s JSON, Part 1

I was recently made maintainer of the json gem, and aside from fixing some old bugs, I focused quite a bit on its performance, so that it is now the fastest JSON parser and generator for Ruby on most benchmarks.

2024-12-15T11:19:51-0800 byroot’s blog 3,000 words

Rated 2024-12-18T19:04:49-0800 - sethherr

The Illusion of Miles Per Gallon

2008-06-20T07:21:45-0700 Wheels Blog Richard S. Chang 2,000 words

Rated 2024-12-17T21:05:48-0800 - sethherr

Droppings

what-if.xkcd.com

Rated 2024-12-17T21:04:11-0800 - sethherr

The art of a Russian joke: anekdoty about Putin and the war

Collection of recent Russian jokes about Putin and the war in Ukraine

2024-11-13T09:20:35-0800 Tap Water Sommelier Konstantin Asimonov 1,000 words

Rated 2024-12-17T20:58:12-0800 - sethherr

On blankfaces

For years, I've had a private term I've used with my family. To give a few examples of its use: No, I never applied for that grant. I spent two hours struggling to log in to a web portal designed by the world's top blankfaces until I finally gave up in despair. No, I paid…

2021-08-02T13:30:48-0700 Shtetl-Optimized 20,000 words

Rated 2024-12-17T20:52:01-0800 - sethherr

Chip Cities Rise in Japan’s Fields of Dreams

The scale of Tokyo’s ambition creates the risk of spectacular failure, but so too does succumbing to decline in a sector the nation once dominated. #City #Government #Infrastructure #Japan

2024-12-11T12:00:02-0800 Bloomberg Gearoid Reidy 3,000 words

Rated 2024-12-17T19:40:14-0800 - sethherr

Scores for Adults Are Dropping on Tests of Basic Skills

As with kids' test scores, a crucial question is the role of knowledge

2024-12-15T15:42:57-0800 Minding the Gap Natalie Wexler 2,000 words

Rated 2024-12-15T20:40:46-0800 - sethherr

Opinion | My 500-Mile Journey Across Alaska’s Thawing Arctic

I had read about how the rapid warming of the Arctic was upending the landscape and its people. Now I’ve seen it. #Climate Change #Global Warming #Weather #Wildfire

2024-12-15T06:00:13-0800 The New York Times Jon Waterman ($) 2,000 words

Rated 2024-12-15T07:06:43-0800 - sethherr

Maximizing the Expected Value of a Lottery Ticket: How to Sell and When to Buy | CHANCE

Allen Kim and Steven Skiena With players attracted by the potential winnings from enormous lottery pools, multistate lotteries like Mega Millions and Powerball sell tens to hundreds of millions of tickets each week across the United States. Larger lottery pools attract more sales, but the expected value of a particular lottery ticket is a function ...

chance.amstat.org 4,000 words

Rated 2024-12-15T00:46:49-0800 - sethherr

OpenAI whistleblower found dead in San Francisco apartment

A former OpenAI researcher who raised concerns about the company is dead at 26. #Artificial Intelligence #Lawsuit #Technology

2024-12-13T13:12:51-0800 The Mercury News Jakob Rodgers 2,000 words

Rated 2024-12-13T22:41:55-0800 - sethherr

Opinion | What One Russian Satellite Tells Us About the Future of Nuclear Warfare

No shockwave. No mushroom cloud. But a space nuke would change life on Earth forever.

2024-12-04T22:00:01-0800 The New York Times W.J. Hennigan 4,000 words

Rated 2024-12-06T06:31:51-0800 - sethherr

Start Page

minjunes.ai

Rated 2024-12-03T16:52:31-0800 - sethherr

How Murderbot Saved Martha Wells' Life

Martha Wells created one of the most iconic characters in 21st-century science fiction: Murderbot, reluctant savior of humanity. Then she faced an existential threat of her own. #Books #Culture #Robots #Texas

2024-11-26T03:00:00-0800 WIRED Meghan Herbst 3,000 words

Rated 2024-12-02T22:06:48-0800 - sethherr

In the Rockets’ Red Glare, by Rachel Kushner

The past and future of hot-rodding in America #California #Donald Trump #Religion

2024-10-23T10:05:45-0700 Harper's Magazine 200 words

Rated 2024-11-30T15:00:30-0800 - sethherr

M.I.T. Aluminum Bicycle Project 1974

1974 MIT Aluminum Bicycle Project, we describe some of Marc’s design, the frames he and Harriet built in Shawn Buckleys IAP course, and how these played a role in the Klein vs. Cannondale patent litigation in the mid-1980s.

sheldonbrown.com 2,000 words

Rated 2024-11-27T19:05:45-0800 - sethherr

The AI Reporter That Took My Old Job Just Got Fired

A local newspaper in Hawaii experimented with AI-generated presenters to engage and boost its readership. After two months, the bots have been shelved. #Artificial Intelligence #Business #Media

2024-11-21T02:00:00-0800 WIRED Guthrie Scrimgeour 1,000 words

Rated 2024-11-26T16:29:42-0800 - sethherr

Donald Trump Has NOT Won a Majority of the Votes Cast for President

Donald Trump’s popular vote total has fallen below 50 percent, and his margin over Kamala Harris has narrowed considerably as all the votes are counted.

2024-11-19T07:17:53-0800 The Nation John Nichols ($) 2,000 words

Rated 2024-11-24T17:59:53-0800 - sethherr

Why Americans Are Obsessed With Poor Posture

A recent history of the 20th-century movement to fix slouching questions the moral and political dimensions of addressing bad backs over wider public health concerns.

2024-11-20T02:00:00-0800 The Nation Zoe Adams ($) 3,000 words

Rated 2024-11-24T17:58:20-0800 - sethherr

FBI raids home of Polymarket CEO Shayne Coplan

The prediction market gained mainstream attention during the recent presidential election.

2024-11-13T13:02:08-0800 Axios Dan Primack 1,000 words

Rated 2024-11-20T20:17:44-0800 - sethherr

Maybe Bluesky has “won”

November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X. Many are choosing Bluesky. I’ve seen a bunch of takes about this recently, but I keep seeing things I disagree with. I figure that’s a good enough excuse to write more about this weird-assed social network.

2024-11-15T11:36:51-0800 Gavin Anderegg 2,000 words

Rated 2024-11-15T19:38:56-0800 - sethherr

The Anti-Fluoride Movement Vaults Into the Mainstream

With the nomination of Robert F. Kennedy Jr. as health secretary, a formerly fringe opinion suddenly gets wide attention. #Cold War #Long Island #Water

2024-11-15T00:00:24-0800 The New York Times Joseph Goldstein ($) 2,000 words

Rated 2024-11-15T05:22:24-0800 - sethherr

Something weird is happening with LLMs and chess

are they good or bad?

2024-11-13T16:00:00-0800 DYNOMIGHT dynomight 2,000 words

Rated 2024-11-15T00:42:06-0800 - sethherr

New Apple security feature reboots iPhones after 3 days, researchers confirm

“Inactivity reboot" effectively puts iPhones in a more secure state by locking the user's encryption keys in the iPhone's secure enclave chip. #Apple #Law Enforcement #Privacy

2024-11-14T09:13:31-0800 TechCrunch Lorenzo Franceschi-Bicchierai 1,000 words

Rated 2024-11-15T00:31:37-0800 - sethherr

RHRV Quick Start Tutorial

cran.r-project.org RHRV Team 3,000 words

Rated 2024-11-13T08:30:37-0800 - sethherr

Sleep stage detection using only heart rate

Getting enough quality sleep plays a vital role in protecting our mental health, physical health, and quality of life. Sleep deprivation can make it difficult to concentrate on daily activities, and lower sleep quality is associated with hypertension, hyperglycemia, and hyperlipidemia. The amount of …

PubMed 1,000 words

Rated 2024-11-13T08:30:08-0800 - sethherr

Meta’s Broken Promises

The 51-page report, “Meta’s Broken Promises: Systemic Censorship of Palestine Content on Instagram and Facebook,” documents a pattern of undue removal and suppression of protected speech including peaceful expression in support of Palestine and public debate about Palestinian human rights. Human Rights Watch found that the problem stems from flawed Meta policies and their inconsistent and erroneous implementation, overreliance on automated tools to moderate content, and undue government...

2023-12-21T18:30:08-0800 Human Rights Watch 15,000 words

Rated 2024-11-13T08:17:50-0800 - sethherr

No, intelligence is not like height

... and the reason is one of the most interesting findings from modern behavioral genetics

2024-08-26T14:05:53-0700 The Infinitesimal Sasha Gusev 4,000 words

Rated 2024-11-12T12:39:45-0800 - sethherr

When muscles work out, they help neurons to grow, a new study shows

Exercise can have benefits at the level of neurons, through chemical and mechanical effects, MIT researchers find. The discovery could inform exercise-related therapies for repairing damaged and deteriorating nerves.

MIT News | Massachusetts Institute of Technology 1,000 words

Rated 2024-11-12T11:32:17-0800 - sethherr

How I ship projects at big tech companies

What I think about when I'm lead engineer on a project

seangoedecke.com 2,000 words

Rated 2024-11-12T06:46:26-0800 - sethherr

Ambulance hits Oregon cyclist, rushes him to hospital, then sticks him with $1,800 bill, lawsuit says

oregonlive.com

Rated 2024-11-07T19:26:46-0800 - sethherr

How to match Hashes in RSpec like a pro | Timur's Blog

A cool undocumented feature that allows using matchers in hashes.

2022-09-21T17:00:00-0700 Timur Nugmanov 1,000 words

Rated 2024-11-07T14:36:59-0800 - sethherr

From prison companies to Tesla: These stocks are soaring off the Trump victory

Former President Donald Trump’s projected return to the White House is making many shareholders of publicly traded companies richer by the second.

2024-11-06T12:34:30-0800 lite.cnn.com Elisabeth Buchwald ($) 1,000 words

Rated 2024-11-06T15:06:44-0800 - sethherr

Hacker Fab Documentation | Hacker Fab

the first open-source semiconductor fab.

docs.hackerfab.org 500 words

Rated 2024-11-05T17:54:44-0800 - sethherr

Forest Service Halts Prescribed Burns in California. Is It Worth the Risk? | KQED

Pausing the beneficial burns to keep crews available for wildfires merely delays and exacerbates fire risk to communities, critics say.

2024-10-24T15:28:46-0700 kqed.org Danielle Venton 1,000 words

Rated 2024-11-05T06:13:17-0800 - sethherr

US Forest Service Decision to Halt Prescribed Burns in California is History Repeating

Exploring the consequences of ending prescribed burns in California. Discover the importance of understanding the state's forest management practices.

2024-10-28T13:19:53-0700 Center for Economic and Policy Research CEPR 1,000 words

Rated 2024-11-05T06:09:08-0800 - sethherr

The Tight-Knit World of Kamala Harris’s College Sorority

How are members of A.K.A.—which Harris joined at Howard University—responding to their most famous sister’s Presidential campaign against Donald Trump? Jazmine Hughes reports.

2024-10-21T03:00:00-0700 The New Yorker Jazmine Hughes 6,000 words

Rated 2024-11-03T19:57:14-0800 - sethherr