日本能否保住“功率半导体大国”之位？ 日经中文网
在纯电动汽车（EV）等的核心零部件“功率半导体”开发方面，日本企业正展开激烈竞争。与中韩企业具备优势的存储器不同，功率半导体的源头是面向电力企业的工业设备等技术。因此，东芝和三菱电机等日本重型电 Read more
Many Small Queries Are Efficient In SQLite
But with SQLite, 200 or more SQL statement per webpage is not a problem. SQLite can also do large and complex queries efficiently, just like client/server databases. But SQLite can do many smaller queries efficiently too. Read more
Mining Bitcoin with pencil and paper: 0.67 hashes per day
I decided to see how practical it would be to mine Bitcoin with pencil and paper. It turns out that the SHA-256 algorithm used for mining is pretty simple and can in fact be done by hand. Not surprisingly, the process is extremely slow compared to hardware mining and is entirely impractical. Read more
Launch HN: Noya (YC W21) – Direct air capture of CO2 using cooling towers
I’m Josh, one of the co-founders of Noya (https://noyalabs.com). Noya is designing a cheaper process to capture CO2 directly from the atmosphere. We do this by retrofitting industrial cooling towers owned and operated by other companies to perform carbon capture. Read more
Building Rich Terminal Dashboards : Hacker News
This is sad because Will writes great posts[1] and great software[2], but somehow his submissions mentioning Rich tend to end up dead. Would it be a case of bad project name for HN titles? Read more
Israeli study finds 94% drop in symptomatic Covid-19 cases with Pfizer vaccine
Here in Europe, articles are coming out complaining that the slow vaccination could be harming the economy which, well, fucking duh. (https://ift.tt/3qv33kK) Fast rollout. Involve pharmacies. Involve the army. Distribute widely and efficiently. Read more
https://ustaxes.org/
https://ustaxes. Read more
OpenCelliD Visualization
Data has full world coverage and freely available for download. This tabular data[1] has ~40 million rows and 6 columns in it but only 3 columns (latitude, longitude, and type) are used in this visualization. Read more
Bookfeed.io
Bookfeed.io is a simple tool that allows you to specify a list of authors, and generates an RSS feed with each author’s most recently released book. Read more
日本能否守住电池材料？ 日经中文网
在去碳化方面有望发挥重要作用的锂离子电池材料是日本的“看家本领”之一，日本研究者也相继因该领域的成果而摘得诺贝尔化学奖。不过，前景正在变得不容乐观。日本企业正越来越难以跟上纯电动汽车（EV）等电 Read more