Rachel's English
How to Say the -SION ending! American English Pronunciation
Lear how to say the -sion ending (suffix) in American English. Did you know there are two different pronunciations?
Rachel's English
PHRASAL VERB WALK
Start 2017 with the 30-day vocabulary challenge: learn 30 phrasal verbs in 30 days! Day 19: the phrasal verb WALK: walk off, walk away, walk in, walk into, walk over.
Brave Wilderness
FURRY PUSS CATERPILLAR!
On this episode of Breaking Trail, Coyote finds a HUGE Furry Puss Caterpillar in Costa Rica! The Furry Puss Caterpillar derives its common name from its “pussy cat” like appearance and with its long wavy hair it is by far the most...
NASA
NASA | OSIRIS-REx Investigates Asteroid Bennu
OSIRIS-REx will visit a Near Earth asteroid called Bennu and return with samples that may hold clues to the origins of the solar system and perhaps life itself. It will also investigate the asteroid's chance of impacting Earth in 2182....
Curated Video
Adding Sensory Details to Enhance Your Writing
In this video, the teacher guides students on how to add sensory details to their writing to create vivid images in the reader's mind. The teacher provides examples and prompts for students to revise a paragraph by incorporating sensory...
Rachel's English
How to Pronounce SEVENTY -- American English
The pronunciation of T in the word SEVENTY is not as expected!
NASA
NASA’s Asteroid Heist: The Challenges of TAG
NASA’s first asteroid sample return mission, OSIRIS-REx, will make a daring attempt to “TAG” asteroid Bennu on Oct. 20 – touch its surface and collect a sample for return to Earth. Sample site Nightingale, the mission’s targeted touch...
NASA
NASA | Playing Tag With an Asteroid
What's the best way get a sample of an asteroid? Play tag with it! That's the plan for OSIRIS-REx, a NASA spacecraft that will approach the asteroid Bennu in 2018. The collection will be done with an instrument on board called the...
NASA
NASA | Desert R.A.T.S. 2011
Desert Research And Technology Studies (D-R.A.T.S) kicks off an exciting new year of field testing. The crew is back in action, testing communication scenarios for near-Earth asteroids, and 2 new instruments from Goddard: ExPED and VAPoR.
NASA
How OSIRIS-REx will Steer Itself to Sample an Asteroid
In late August, the OSIRIS-REx spacecraft will navigate to asteroid Bennu’s surface for its first sample collection attempt. To do this, it will use an onboard image software known as Natural Feature Tracking (NFT) — a form of optical...
Curated Video
The Physiology of Tickling
Learn about the brain's response to tickling and the physical and emotional reactions it triggers. Gain insights into why we laugh when tickled and how our bodies perceive this unique sensation.
IDG TECHtalk
What the new M1 Pro and M1 Max chips suggest about the future of the Mac
At its event on Monday, Apple announced new 14- and 16-inch MacBook Pros powered by their new M1 Pro and M1 Max chips. Benchmarks for the M1 Pro are nearly double that of the M1, and the M1 Max is even more powerful. As Apple continues...
Schooling Online Kids
The Life Stage Series: Physical Development - Don’t Touch That, Morp!
When Tom goes to investigate a crash in his backyard, he doesn’t expect to find a spaceship! Morp the alien needs to be looked after until the other aliens can bring him home – but if he gets hurt, the aliens will destroy planet earth!...
Let's Tute
The Fascinating World of Ants: How and Why They Walk in a Line
In this video, the teacher explains how ants walk in a straight line and communicate with each other using pheromones. They also discuss the eating habits of ants and why red ants bite while black ants do not. The teacher concludes by...
Curated Video
Creating Enemies and Obstacles in Scratch Game
In this video tutorial, the teacher demonstrates how to add an element of danger to a game by introducing a lava obstacle that sends the player back to the beginning if touched. Through step-by-step guidance, the teacher shows how to...
Curated Video
B1 Level English Test
Take this B1 level English test and let me know in the comments what you scored. This is not a memory test so be sure to make notes and listen to the sample reading a few times before you attempt to answer the questions. The transcript...
Science Buddies
Write and Read Braille
Have you ever been in an elevator and wondered what the many little dots on the buttons are for? You can also find these dots in public buildings on room number signs or on ATMs. These arrangements of dots are a special writing system...
Let's Tute
Advanced Arabic Patch
The video is a tutorial on advanced Arabic patchwork, focusing on creating intricate designs using various shapes and shading techniques. The teacher guides viewers through the process of creating a floral patchwork design, emphasizing...
Brian McLogan
How to find the zeros, intercepts, and multiplicity
In this math tutorial I show you how to find the real zeros of a polynomial function by solving for x using algebraic techniques such as factoring, completing the square and the quadratic formula. I also show you how to determine the...
Rachel's English
IDIOMS – ENGLISH SPEAKING PRACTICE WITH 9 IDIOMS RELATING TO VEGETABLES
Learning idioms is a great way to improve your English speaking. In this video you’ll learn 9 vegetable-related idioms and how to use them accurately during English speaking conversations. You can use these idioms right away and you’ll...
Rachel's English
How to Pronounce FOR SURE -- American English Pronunciation
Learn how to pronounce an use the phrase FOR SURE in American English.
Rachel's English
How to say UNFORTUNATELY in American English
Learn how to pronounce 'unfortunately' in American English. Improve English speaking skills by learning the sounds and stress of American English.
NASA
Blowtorch vs Heat Shield
Betsy Congdon of Johns Hopkins Applied Physics Lab is the Lead Thermal Engineer on the heat shield that NASA's Parker Solar Probe will use to protect itself against the Sun. The shield is so robust, Congdon can use a blowtorch on one...