Deedy (@deedydas)

This deep tech startup is solving air pollution in India. They make affordable, powerful, low maintenance (filterless), high-volume air purification systems for both factories (MK II) and homes (Hive). It's called Praan, and here's their incredible story: 1/5 ...

All languages covey information at a similar rate when spoken (39bits/s). Languages that are spoken faster have less information density per syllable! One of the coolest results in linguistics. ...

"The absolute worst thing that someone can do [at SpaceX] is inform Musk that what he's asking is impossible." ...

DeepSeek matches o1 performance at 25-30x cheaper price! Per million input (cached), input and output tokens: o1: $7.5, $15, $60 o1-preview: $1.5, $3, $12 DeepSeek Reasoner: $0.14, $0.55, $2.19 (!) ...

China just dropped a new model. ByteDance Doubao-1.5-pro matches GPT 4o benchmarks at 50x cheaper — $0.022/M cached input tokens, $0.11/M input, $0.275/M output — 5x cheaper than DeepSeek, >200x of o1 — 32k + 256k context — sparse MoE architecture AI truly too cheap to meter. ...

OpenAI o3 scored 91.5% on public ARC-AGI test despite taking 57M tokens and ~$5000/task. The problems are fairly simple! I made an app with Claude to visualize them. Strangely, Sonnet can even identify the pattern sometimes. Let's look at the 34 problems o3 got wrong... 1/13 ...

We JUST solved a hard open math problem— the moving sofa problem! "What is the area of the largest shape that can be manuevered through an L corner of width 1?" On Dec 2, 2024, Korean Jineon Baek proved the answer is the 18 curve section Gerver's sofa with area 2.2195..! ...

Using light as a neural network, as this viral video depicts, is actually closer than you think. In 5-10yrs, we could have matrix multiplications in constant time O(1) with 95% less energy. This is the next era of Moore's Law. Let's talk about Silicon Photonics... 1/9 ...

Guide to starting a US company as an international founder. Here are ALL your options: —O-1A /EB-1A visa —International Entrepreneur Rule —H-4, dependent on your spouse —US citizen cofounder with transition timeline —E-2 Treaty investor (not Indian / Chinese) —EB-5 investor 1/9...