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THE DAILY INDEX

Technology, AI, software, security, crypto and business

Across today’s newsletters

Today’s Index

PROMISES FROM THE GROUND UP

Promises in JavaScript aren't always intuitive to use, but they're required to be productive with JavaScript. Promises are needed because JavaScript is single-threaded, which can cause issues when blocking operations like window.prompt() are used. This post dives into the mechanics of Promises, their states (pending, fulfilled, rejected), and how to work with them using the .then() and .catch() methods. It also covers creating custom Promises, chaining them together, passing data between them, and the modern async/await syntax for a more synchronous-like experience.

MALE BIRTH CONTROL GEL IS SAFE AND EFFECTIVE, NEW TRIAL FINDINGS SHOW

A birth control gel for males, which contains testosterone and a synthetic hormone called Nestorone that reduces sperm production, is showing promise in clinical trials. Researchers recently presented encouraging phase 2 trial results on the hormonal gel. The second part of the two-part trial is still underway, but initial findings have found that the contraceptive works faster than expected. On average, the time for effective contraception was eight weeks. This article also covers some other types of male birth control currently under development.

FUSION TECH FINDS GEOTHERMAL ENERGY APPLICATION

Quaise Energy plans to deploy gyrotron drills to vaporize rocks using powerful microwaves to dramatically reduce the costs and timelines of drilling to fantastic depths. Gyrotrons use high-power linear-beam vacuum tubes to generate millimeter-length electromagnetic waves. The technology is used in nuclear fusion research to heat and control plasma. It could make technologies like geothermal energy viable in more areas of the planet.

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