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MIT Bitcoin Expo 2023

This weekend was the MITBitcoinExpo. Attendance was down from last year, but it was filled with interesting people and talks. All the talks are streamed for fre...

Repost: My Day as an Election Judge in the 2008 Election

2008 was a historic US election year, with turnout at historic highs. I think this year may be another such year, so I decided to repost my experience as an ele...

Progress at Flow Pharma

Recently, Flow Pharma posted a press release about FlowVax, their therapeutic cancer vaccine technology: > “In order to make a personalized therapeutic cancer v...

On Defining Proof of Stake

Originally posted on the Elixxir blog. The current definition of Proof of Stake is too broad and generic to be useful. It does not imply any information about t...

The Top 5 Places We Could Colonize In Our Solar System | Answers With Joe

For the human race to continue in the far future, we're going to have to live beyond planet Earth. Here are the 5 best options in our own solar system. The 5 be...

The Elixxir Technical Brief

This week the Elixxir team released a technical brief on the project, a first look into the design of the Elixxir platform. After months of preparation, we were...

Word-search algorithms: part 1, signatures and hashing

I've been thinking about building a tool to help me play Alphabear, so I thought I'd write up some notes on data structures used for word problems. An interesti...

Asymptotic Bounds You May Not Have Learned In School

Computer Science education teaches "Big O" notation for describing complexity upper bounds, and Big-Theta and Big-Omega get introduced as well. Mathematicians a...

How blockchains can actually help elections

This midterm election season, some in the press are calling blockchain the next big thing, enabling online voting and generally being a key part of solving all ...

Would you love to see how I trained my small, tiny, powerful neural network?

Hmmm should I put this post in my AI series? Well, this is a technique that is used in a practice for machine learning, so if a machine can learn something, we ...

I'm a co-founder of a bankrupt storage startup, AMA

In 2008, I started working with Kieran Harty on a startup focused on storage for virtual machines, called Tintri. We got venture capital funding and built a suc...

NASA vs SpaceX: Who Will Get To Mars First? | Answers With Joe

The Great Courses Plus is currently available to watch through a web browser to almost anyone in the world and optimized for the US market. The Great Courses Pl...

SteemSTEM Distilled #72

Welcome to the 72nd issue of SteemSTEM Distilled, a curation effort by the members of the @steemstem team. SteemSTEM aims to make Steem a better place for STEM,...

Thanks for your .001 donation

Yeah, thanks for your donation! (I'm being totally facetious now.) Every once in a while I check my Steem wallet to see how far away I am from being a dolphin a...

Leonid Levin's Universal Algorithm

There's an algorithm which solves SAT instances in polynomial time, if and only if P=NP. If P=NP, then it runs in polynomial time. If P is not equal to NP, it r...

How secret is your secret ballot?

We rely on the secret ballot to prevent vote selling and voter intimidation, but the "secret" ballot is not very secret. In this post I will discuss problems th...

This set of equations is a computer.

Hilbert's Tenth Problem from his famous list published in 1900, asks whether it is possible to create an algorithm which solves every Diophantine equation, that...

Steem Econometrics: Largest Net Transfers

There are four major mechanisms of value transfer in Steem: 1. Transfer of money to and from exchanges, where it may be bought by other Steem members or by spec...

Ancient Cryptography: The Caesar Cipher

The Caesar cipher is perhaps one of the most well known forms of ancient cryptography. Which is why it probably should have been the focus of the first article ...

PAW Patrol: Are Ryder and Katie Time Lords?

They look young but act older and they are in charge of their own businesses. The pups' vehicles are larger on the inside, which would also explain the physics ...