Jen Bradford, Dhr. Seven, Xochitl (eds.), Wisdom Quarterly
If the Native Paiute kept it clean, so can we.
Throughout the year, Yosemite National Park has several special events such as Junior Ranger Day, Earth Day (both in April), Apple Picking Day (mid August), and Yosemite Facelift (late September), where volunteers can just show up, no application needed.
For all special events and drop-in days, the park asks participants to wear long pants and closed-toe shoes, appropriate gear for the weather, and to bring sun protection, water, and snacks.
The park provides tools and protective equipment.
All participants must sign a volunteer agreement [42 kb DOCX]. To fill out the form in advance, it will be posted with each special event or drop-in project as they are planned.
(It can also be signed on the day of the project on-site). Guardians must sign the form for participants under the age of 18. More
Scientist explains how to levitate objects with sound
(WIRED) Believe it or not, levitating objects aren't just the stuff of yogic powers (siddhis), science fiction, or stage magic shows. There are actually many different forms of objective, demonstrable, replicable levitation, including something called acoustic levitation, which uses powerful sound waves to trap objects in mid-air.
WIRED spoke with a physicist at Argonne National Laboratory to find out how acoustic levitation works and what it's used for.
Acoustic standing waves and the levitation of small objects
By reflecting a sound wave back onto itself, one can secure a standing wave if the distance between the source of the sound and the reflector is equal to an integral number of half wavelengths.
Summary of Real Magic (Dean Radin)
In this demonstration we use 28 kHz ultrasound whose wavelength in air is 1.2 cm. The objects are small Styrofoam spheres, roughly 4 mm in diameter and 1 mg of mass.
Images employing schlieren optics are very sensitive to changes in the density of air, and these changes refract light into the camera.
Note that the little spheres settle down where there are bright bands of light. The bright bands of light in the schlieren images are known to be the result of either increasing or decreasing air pressure with respect to vertical position — in other words, the pressure nodes.
For more information on our schlieren optics set-up, see
sciencedemonstrations.fas.harvard...
Although 28 kHz is beyond the range of human hearing, ear protection should be worn whenever attempting this experiment to avoid damaging vibrations in some parts of the ear.
The sound you hear in this video is not ultrasound but rather a subharmonic and is not dangerous to the ears.
(Prof. M.THANGA DARWIN) Feb. 20, 2023. Happy International Women's Day! The theme this year is “DigitALL: Innovation and technology for gender equality.”
What is International Women’s Day? It is celebrated every year on March 8th – but why is this day important? What does it signify? This Miniclip explores the origins of women’s suffrage (voting rights) throughout the United Kingdom’s modern history, including the impact of WWI on women's rights and the granting of voting rights to women. It also discusses damaging stereotypes for both girls and boys, the presence of gender inequality that still exists today, and how to celebrate the women in our own lives.
Lisa Garr says she just heard about something unbelievably special happening THIS Saturday. She highly recommends you attend. (And it won’t cost you a cent!)
Many of the top "Bounce Back” experts, teachers, and motivational speakers from the blockbuster hit movie Unsinkable: The Secret to Bouncing Back are coming together in a powerful FREE all-day “Unsinkable” global online conference.
The focus will be on one thing – YOU and how YOU can live YOUR greatest life in 2020! Go here to reserve your spot now.
This brand new exclusive event is hosted by Garr's good friend Sonia Ricotti. She is a #1 bestselling author, one of the top "Bounce Back” (resiliency) experts in the world, and the executive producer of the Unsinkable movie.
Resilient: How to quickly bounce back
Thanks, Lisa. This sounds like "The Secret" all over again. So I can be a millionaire, too?
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This is truly a once-in-a-lifetime opportunity where you can learn from Bob Proctor, Lisa Nichols, John Assaraf, Les Brown, Rhonda Britten, Shellyann Siddoo, and Marci Shimoff!
With a front row seat to this all-day event, here’s a sneak peek at some of the life-changing sessions you’ll experience:
Famous motivational salespeople
Sonia Ricotti: 3 Steps to Bouncing Back BIG and Living Your Greatest Life!
Bob Proctor: Shift Your Paradigm, Shift Your Destiny
Lisa Nichols: Winners Never Quit: Rising Above the Impossible
John Assaraf: How to Reprogram Your Brain for Success in 2020
Marci Shimoff: The Secret to being Happy (Even When Life Isn’t Perfect)
Rhonda Britten: Forgiving the Unforgivable
Les Brown: Mind Over Health: The Magic of Believing
Sonia Ricotti: 6 Steps to Manifesting Money in 2020
…and LOTS more!
This is one of those “must attend” events, so make sure you reserve your spot and block off your calendar to be there. Go here to reserve a spot now.
P.S. Because of the long length of this event, it will most likely not be recorded. Do everything you can to attend the entire event. It’s going to be incredible! This is one you really don’t want to miss!
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