Warning Signs That a Bubble Is About to Burst

Warning Signs That a Bubble Is About to Burst

Signs that markets or a company are about to find themselves on the wrong side of cyclicality
The metrics around valuations, P/E ratios, and easy credit-inflating bubbles are logical indicators of canaries. Firms that investors believe are the next Google, armed with cheap capital, roam the streets of New York and San Francisco, driving up commercial real estate. The greatest asset of a child CEO is being too stupid to know you’re going to fail.When times are bad, people look to gray hair for leadership.

Source: onezero.medium.com

Advanced Data Structures (2017)

Advanced Data Structures (2017)

You interact with data structures even more often than with algorithms (think Google, your mail server, and even your network routers). This course covers major results and current research directions in data structures:

This year, we’re experimenting with inverted lectures: most material is covered in video lectures recorded in 2012 (already watched by over 100,000 people), which you can conveniently play at faster speed than real time. In-class time will be divided between answers to questions, new material presented by the professor and/or guest lecturers, and in-class problem solving, with a focus on problem solving.

Source: courses.csail.mit.edu

Is High Quality Software Worth the Cost?

Is High Quality Software Worth the Cost?

A common debate in software development projects is between spending time on improving the quality of the software versus concentrating on releasing more valuable features. The distinction is that users and customers can see what makes a software product have high external quality, but cannot tell the difference between higher or lower internal quality. Since that’s the case – why should any software developer put their time and effort into improving the internal quality of their work?

Source: martinfowler.com

A Look at Pathfinder

A Look at Pathfinder

The float texture containing the masks for our simple scene might look something like this:

It is very common when dealing with vector graphics to separate the computation of coverage (whether a pixel is in or out of the path) shading (color of the pixel if it is covered). In pathfinder, the edge quads are equivalent to groups of vertical rays coming from the top of the tile, writing the contribution of a single edge to all pixels below the edge, down to the bottom of the tile. Rather than only writing the winding number between edges, pathfinder simply writes the contribution of each edge to all pixels below it, which will give the same result since the contribution of two edges can cancel each other out if our imaginary ray was going in then out of the path before reaching the pixel.

Source: nical.github.io

Computational Modeling in Algebra, Physics and Data Science, for All Students

Computational Modeling in Algebra, Physics and Data Science, for All Students

We craft research-based curricular modules for grades 6-12. Our materials reinforce core concepts from algebra, enabling non-CS teachers to adopt our introductory materials while delivering rigorous and engaging computing content drawn from CS classes at universities like Brown, WPI, and Northeastern. Teachers can mix-and-match content across various modules to fit their needs.

Source: www.bootstrapworld.org

Rare Earth Elements from Coal Waste Could Be Big Business for West Virginia

Rare Earth Elements from Coal Waste Could Be Big Business for West Virginia

So we#39;re getting real close to be able to provide these elements here within domestically, within the state and within the United States,quot; said Chris Hamilton, West Virginia Coal Association. /ppquot;Any time you can go back in these old slag dumps or refuse areas, and be able to reprocess those materials to eliminate some of the more undesirable elements it#39;s always a win-win for the environment, and we#39;re getting pretty good at that,quot; said Chris Hamilton, West Virginia Coal Association. /ppRight now developing the expansion of the Rare Earth Elements from West Virginia#39;s coal industry is getting the support of the Legislature and Congress.

Source: www.wowktv.com

Show HN: Wasmer – A Go library for executing WebAssembly binaries

Show HN: Wasmer – A Go library for executing WebAssembly binaries

Wasmer is a Go library for executing WebAssembly binaries. Then, we can execute it in Go:

A WebAssembly module can export functions, this is how to run a WebAssembly function, like we did in the previous example with . For instance, let’s consider the basic following Rust program:

In this case, the function is a WebAssembly exported function, whilst the function is a WebAssembly imported function (the WebAssembly instance needs to import it to complete the program).

Source: github.com

Baseball Trajectory (3D) Calculator

Baseball Trajectory (3D) Calculator

Unlike the old version, this one can only be used for batted balls, not for pitched balls. This version is my best attempt at reproducing average batted ball distances for given initial conditions and atmospheric conditions, but be aware that there will be considerable variance of actual distances about those average values. In particular, note that there are two versions: one in which the spin of the batted ball is fixed at average Statcast values and another in which you are free to adjust the spin.

Source: baseball.physics.illinois.edu

Lessons from cold fusion, 30 years on

Lessons from cold fusion, 30 years on

In early 1989, chemists Martin Fleischmann and Stanley Pons at the University of Utah, Salt Lake City, made a claim that shocked and galvanized chemists and physicists, and excited society with its potential implications for clean, cheap energy. At a press conference, Fleishmann and Pons announced what would become known as cold fusion — the nuclear fusion of hydrogen at room temperature rather than inside a star. As a recent recruit to the physical sciences editorial team at Nature, to which Fleischmann and Pons had submitted their paper, I got a whirlwind introduction to the politics of scientific controversy.

Source: www.nature.com