NASA
OSIRIS-REx Heads Home with Sample of Asteroid Bennu
After nearly five years in space, NASA’s OSIRIS-REx spacecraft is on its way back to Earth with an abundance of rocks and dust from the near-Earth asteroid Bennu. On Monday, May 10, 2021, at 4:23 p.m. EDT the spacecraft fired its main...
Curated Video
AZ-204 Developing for Microsoft Azure Exam Prep - DEMO: A Look at the AZ webapp up Command
This video explains the AZ webapp up command. This clip is from the chapter "AZ-204 Azure App Service" of the series "AZ-204 Developing for Microsoft Azure Exam Prep".This section explains how to expand mobile Internet with 3G and...
Journey to the Microcosmos
There's More Than Coral at the Coral Farm
When you’re in the business of hunting for microbes, sometimes you have to send some weird emails. That’s why James, our master of microscopes, sat down one day to send his own strange request to the people at Coralaxy, a coral farm in...
Curated Video
Arduino for Beginners - 2022 Complete Course - Activity 20 - Compute the Average Luminosity Over a Period of Time
This video explains activity 20 - computing the average luminosity over a period. This clip is from the chapter "Photoresistor- Measure Luminosity" of the series "Arduino for Beginners - 2022 Complete Course".This section explains...
Curated Video
Practical Data Science using Python - Decision Tree - Hyperparameter Tuning
This video explains decision tree - hyperparameter tuning. This clip is from the chapter "Classification using decision trees" of the series "Practical Data Science Using Python".This section explains classification using decision trees.
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Continuous Random Variables: Uniform Distribution Python
In this video, we will cover uniform distribution Python. This clip is from the chapter "Basics for Data Science: Mastering Probability and Statistics in Python" of the series "Data Science and Machine Learning (Theory and Projects) A to...
Curated Video
Fundamentals of Machine Learning - Decision Tree
This video explains a lab session on a decision tree, getting dependencies, and how to create mock data. This clip is from the chapter "Labs" of the series "Fundamentals of Machine Learning".This section explains the various lab...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Machine Learning Model Performance Metrics: The Accuracy
In this video, we will cover accuracy. This clip is from the chapter "Machine Learning: Machine Learning Crash Course" of the series "Data Science and Machine Learning (Theory and Projects) A to Z".In this section, we will cover machine...
Curated Video
Arduino for Beginners - 2022 Complete Course - Activity 20 - Solution
This video explains activity 20 - solution. This clip is from the chapter "Photoresistor- Measure Luminosity" of the series "Arduino for Beginners - 2022 Complete Course".This section explains measuring luminosity.
Curated Video
Practical Data Science using Python - Decision Tree - Model Optimization using Grid Search Cross Validation
This video explains decision tree - model optimization using grid search cross validation. This clip is from the chapter "Classification using decision trees" of the series "Practical Data Science Using Python".This section explains...
Curated Video
Deep Learning - Deep Neural Network for Beginners Using Python - Splitting the Data (NN Implementation)
In this video, you will learn how to implement splitting the data in our neural network. This clip is from the chapter "Deep Learning" of the series "Deep Learning - Deep Neural Network for Beginners Using Python".In this section, we...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Feature Extraction: PCA For Small Sample Size Problems(DualPCA)
In this video, we will cover PCA for small sample size problems (DualPCA). This clip is from the chapter "Machine Learning: Feature Engineering and Dimensionality Reduction with Python" of the series "Data Science and Machine Learning...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Expectations: Law of Large Numbers Famous Distributions Python
In this video, we will cover law of large numbers famous distributions Python. This clip is from the chapter "Basics for Data Science: Mastering Probability and Statistics in Python" of the series "Data Science and Machine Learning...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Building Machine Learning Model from Scratch: Minimum-to-mean Distance Classifier from Scratch- Part 1
In this video, we will cover minimum-to-mean distance classifier from scratch- part 1. This clip is from the chapter "Machine Learning: Machine Learning Crash Course" of the series "Data Science and Machine Learning (Theory and Projects)...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - RNN Architecture: ManyToMany Model
In this video, we will cover ManyToMany model. This clip is from the chapter "Deep learning: Recurrent Neural Networks with Python" of the series "Data Science and Machine Learning (Theory and Projects) A to Z".In this section, we will...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Optional Estimation: MLE
In this video, we will cover MLE.
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Optional Estimation: Loglikelihood
In this video, we will cover Loglikelihood.
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Sets: Cardinality of a Set
In this video, we will cover cardinality of a set. This clip is from the chapter "Basics for Data Science: Mastering Probability and Statistics in Python" of the series "Data Science and Machine Learning (Theory and Projects) A to Z".In...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Scikit-Learn for Machine Learning: Scikit-Learn for SVM and Random Forests
In this video, we will cover Scikit-Learn for SVM and random forests. This clip is from the chapter "Basics for Data Science: Python for Data Science and Data Analysis" of the series "Data Science and Machine Learning (Theory and...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Machine Learning Model Performance Metrics: The Confusion Matrix
In this video, we will cover the confusion matrix. This clip is from the chapter "Machine Learning: Machine Learning Crash Course" of the series "Data Science and Machine Learning (Theory and Projects) A to Z".In this section, we will...
Professor Dave Explains
Performing Thin Layer Chromatography (TLC)
We've learned a few separation techniques, so how about one more? Chromatography separates components of a mixture by virtue of their differing polarities, and thin layer chromatography, or TLC, is an invaluable technique that is used...
Science360
Western Water
The Colorado River provides water for seven states, and it's stretched thin. Water rights exceed the actual volume of the river by more than ten percent. NASA scientists are studying the source of this water.
Science360
Antarctic Subglacial Lakes! NSF Science Now 7
In this week’s episode of NSF Science Now, we explore Bigfoot, body language and, finally, Antarctic subglacial lakes.
Journey to the Microcosmos
The Microcosmos of the 1800s: The Story of Christian Gottfried Ehrenberg
The Microcosmos of the 1800s The Story of Christian Gottfried Ehrenberg