Flownullvuild.com › flow › #94
서비스가 느리다는 말은 늘 비슷하게 시작한다. CPU가 높은 것 같아요, DB가 문제 아닌가요, 일단 캐시 넣죠. 직접 운영해보면 이 셋 중 둘은 틀린 경우가 많다. Node.js 성능 문제는 단일 원인보다 병목이 이동하는 구조에 가깝다. 이벤트 루프가 잠깐 막히면 타임아웃이 늘고, 급…
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Flownullvuild.com › flow › #93
CRISPR gets thrown around a lot — "gene editing," "designer babies," "cure for everything." But the actual mechanism, the molecular machinery running inside cel…
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Flownullvuild.com › flow › #92
In 1206, a man called Temüjin stood before an assembly of Mongol and Turkic tribal leaders on the banks of the Onon River and was proclaimed Genghis Khan — Uni…
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Flownullvuild.com › flow › #91
On the night of October 4, 1957, amateur radio operators across the United States tuned in to a frequency they'd been tipped off about — 20.005 and 40.002 MHz…
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Flownullvuild.com › flow › #90
Two nations ended the Second World War as allies and emerged from it as rivals whose competition would define the next four decades. The United States and the…
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Flownullvuild.com › flow › #89
Black holes might be the most conceptually strange things in the universe.
They're not exotic matter. They're not some alien substance. They're just points…
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Flownullvuild.com › flow › #88
By the time we die, we'll have spent roughly six years dreaming. That's six years inside worlds that vanish before breakfast.
That fact alone should make drea…
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Flownullvuild.com › flow › #87
Every time one of your cells divides, it has to copy roughly 3 billion base pairs of DNA — and it has to get it almost exactly right. The error rate is about on…
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Flownullvuild.com › flow › #86
5% of the universe is the stuff you, me, the stars, and every galaxy are made of. The rest — 95% — is something we cannot see, cannot touch, and cannot direct…
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Flownullvuild.com › flow › #85
건강보험이 복잡하게 느껴지는 건 내가 어떤 가입자인지에 따라 계산 방식이 완전히 달라지기 때문이에요.
직장다니면 회사가 알아서 처리해주니 별 생각 없이 살다가, 퇴직하거나 프리랜서로 전환하는 순간 갑자기 보험료 고지서가 훨씬 높아져서 당황하는 분들이 꽤 많아요.
4편에 걸쳐서 직장인…
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