Flipping Physics
(Energy Solution) Acceleration of a Wheel descending on a Rope
A rope is wrapped around a bicycle wheel with a rotational inertia of 0.68MR^2. The wheel is released from rest and allowed to descend without slipping as the rope unwinds from the wheel. In terms of g, determine the acceleration of the...
Flipping Physics
(1 of 2) Measuring the Rotational Inertia of a Bike Wheel
That’s right, we actually measure the rotational inertia of a bicycle wheel. How cool is that?
Flipping Physics
Wheel Conservation of Angular Momentum Demonstration and Solution
A #SpinningWheel is rotated while sitting on a stool. #AngularMomentumConservation is demonstrated. And an example problem is solved.
Visual Learning Systems
Helping Us Work: Simple Machines
Everyday we do work, and most of the time we use tools to help us. This program begins by explaining what work is. The relationship between work and energy is then explored. Common examples of tools used to make work easier are...
Flipping Physics
(Torque Solution) Acceleration of a Wheel descending on a Rope
A rope is wrapped around a bicycle wheel with a rotational inertia of 0.68MR^2. The wheel is released from rest and allowed to descend without slipping as the rope unwinds from the wheel. In terms of g, determine the acceleration of the...
Physics Girl
Are perpetual motion machines possible?
A wheel that spins forever; a bird that never quenches its thirst; a clock that never stops ticking, an endless source of free energy. These are but the dreams of inventors striving to make perpetual motion machines, machines that can...
The Backyard Scientist
Rocket Powered Fidget Spinner
Ok thats it, Fidget Spinner trend is over, cause this is the best one ever!! ;) I built a custom fidget spinner out of 1/4in aluminum plate and strapped 3 E sized rocket engines. Really, I just wanted to do this. I saw Stephens video and...
Next Animation Studio
Human remains in landing gear of plane leaving Kabul
The U.S. Air Force IS investigating the circumstances surrounding human remains found in the wheel well of C-17 cargo plane call sign REACH885, which flew out of Afghanistan’s Hamid Karzai International Airport on Tuesday, August 17.
Curated Video
The World of Self-Balancing Scooters
Self balancing scooters (also known as hoverboards or Segways) have become an increasingly common form of transportation. Learn how these scooters stay upright and how the rider steers the vehicle with their body weight. This video also...
Curated Video
Applying Moments to Everyday Devices: Wheelbarrows, Bottle Openers, and Gears
The video explains the concept of moments and how they are used in three common devices: a wheelbarrow, a bottle opener, and a gear. It describes how moments are used to rotate or turn objects around a pivot and how they are calculated...
Curated Video
Why Africans Never Invented the Wheel
This video explores the history of wheel use in Africa and debunks the misnomer which popularly portrayks it as a pre-historic technology analogous to fire ow shelter.
Flipping Physics
(2 of 2) Measuring the Rotational Inertia of a Bike Wheel
1) Calculating if our answer makes sense. 2) Why can’t we sum the torques on everything? 3) Finding the force of tension.
Brainwaves Video Anthology
Susan Engel - The Hungry Mind
Susan Engel, Ph.D. teaches in the Department of Psychology at Williams College and is the founding director of the college's Program in Teaching. Her research interests include children’s narratives, play, the development of curiosity,...
ZooMoo
Kooki's Crafty Show Makes: Eee Aaaw Eeee Awww
Red fire panda Kooki creates an egg carton fire truck.
IDG TECHtalk
Apple retires the iPod, plus employees protest Apple's return-to-office policy
After 20 years, Apple has officially discontinued its final iPod, the iPod Touch. Macworld executive editor Michael Simon and Computerworld executive editor Ken Mingis join Juliet to discuss its history and how it paved the way for...
NASA
On a Mission: Driven to Mars - S4E1
Episode one launches with Jennifer Trosper in the driver’s seat. As she looks in the rearview mirror at twenty-five years of exploring with NASA’s Mars rovers, she reveals how their progression has kept pace with milestones in her life.
Curated Video
Create a Wheel of Fortune Spinning Name Selector in PowerPoint
In this tutorial, the speaker demonstrates how to create a customizable wheel of fortune for classroom use using Microsoft PowerPoint. The tutorial provides step-by-step instructions on how to create the wheel using pie charts, customize...
NASA
NASA in Silicon Valley: Charlie Sobeck talks about Kepler, Troubleshooting, Transits and Eclipses
A conversation with Charlie Sobeck, Kepler mission manager at NASA’s Ames Research Center in Silicon Valley.
Science360
NSF Science Now 9
In this week's episode of NSF Science Now we explore an experimental motion control car, a gliding robot called Grace, how song sparrows protect their domain, and finally a four-wheel vehicle capable of detecting deadly cracks in...
Science360
A four-wheel vehicle for detecting deadly cracks in Antarctic ice!
In this week’s episode of NSF Science Now we explore an experimental motion control car, a gliding robot called Grace, how song sparrows protect their domain, and finally a four-wheel vehicle capable of detecting deadly cracks in...
Curated Video
AGNISAR KRIYA
This powerful cleansing breath flushes the digestive tract. It removes gas and constipation, tones the liver and abdominal organs, and relieves stomach and intestinal problems. Give it a try!
Curated Video
NERVES FRAYED?
Smooth out rough edges with these backward-bending poses that tone your nerves and increase your sense of well-being.
Curated Video
ENERGIZE!
Get your circulation going with a dynamic forward bend, upside down leg cycling, and Imaginary Chair. Then sink into deep relaxation with Yoga Nidra.