Ever wish you could travel backward in time and do things differently? Good news: the laws of physics seem to say traveling backward in time is the same as traveling forwards. So why do we seem to be stuck in this inexorable flow towards...

The universe is going to end. But of all the possible ends of the universe vacuum decay would have to be the most thorough - because it could totally rewrite the laws of physics. Today I hope to help you understand exactly how terrified...

Every astronomy textbook tells us that soon after the Big Bang, there was a period of exponentially accelerating expansion called cosmic inflation. In a tiny fraction of a second, inflationary expansion multiplied the size of the...

An overview of gradient descent in the context of neural networks. This is a method used widely throughout machine learning for optimizing how a computer performs on certain tasks.

Townspeople are demanding that a corrupt merchant's collection of 30 rubies be confiscated to reimburse the victims of his schemes. The king announces that the fine will be determined through a game of wits between the merchant and the...

An overview of gradient descent in the context of neural networks. This is a method used widely throughout machine learning for optimizing how a computer performs on certain tasks.

An overview of gradient descent in the context of neural networks. This is a method used widely throughout machine learning for optimizing how a computer performs on certain tasks.

Climate change is a big problem, but could we solve it by giving the earth a little nudge?

What do 24,000 ideas look like? Ecologist Eric Berlow and physicist Sean Gourley apply algorithms to the entire archive of TEDx Talks, taking us on a stimulating visual tour to show how ideas connect globally.

Paul Andersen shows you how to graph data by hand. He explains the required elements of a scatter plot with a best fit line. He shows you how to properly scale and label the axes.

New ReviewWe want to be effective and efficient. But, aren’t they really the same? No. There is a difference, and it won’t take long to explain!

New ReviewI did a video about Minimum Viable Product (MVP), and was then asked how it differs from a prototype. Plus, there is MRF, MMF, MBI, MMP, MMR, and MLP. What’s the difference?

New ReviewPMI Risk Management Professional (PMI-RMP) is PMI’s certification for Risk Management. They designed it to offer a professional credential for project risk managers.

In this short math video we will determine the minimum solution of an inequality. We will be presented with a real world situation and an inequality that models the real world situation. The solution of an inequality is a set of values...

In this math video, we will be solving a linear inequality with a negative coefficient to determine the minimum value of the solution set. You'll learn how to: solve the inequality step by step, understand when and why to flip the...

Implement password aging policies to enhance system security by managing the lifecycle of user passwords.

A video entitled "Compare Box and Whisker Plots" which shows ways to compare 2 box and whisker plots.

Howcast - Follow these helpful hints before you sign on the dotted line.

Howcast - Find out what to eat before bed to help build muscle from DreamBodies' Tony DiCostanzo in this Howcast bodybuilding diet video.

Howcast - Learn what bourbon is from the experts at NYC's Rye House in this Howcast video.

Howcast - Learn how to get better at dating with the tips in this Howcast video.

Howcast -Learn from expert Ed Donovan how to rent a glassblowing studio in this Howcast video.

When you normalize a set of data, you map the original data range into another scale. The steps for normalizing a data set are described here.

Learn about airsoft etiquette and sportsmanship in this Howcast video featuring airsoft experts Payton Kemper and Josh Meyer.