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Saturday, September 25, 2021
Friday, September 24, 2021
Q&A : HOW TO MEASURE EXTREME DISTANCES - YUAN-SEN TING
LIGHT SECONDS, LIGHT YEARS,
LIGHT CENTURIES:
HOW TO MEASURE EXTREME DISTANCES
- YUAN-SEN TING
2,633,453 views
Oct 9, 2014
TED-Ed
14.8M subscribers
View full lesson: http://ed.ted.com/lessons/how-do-we-m...
When we look at the sky, we have a flat, two-dimensional view. So how do
astronomers figure the distances of stars and galaxies from Earth? Yuan-Sen
Ting shows us how trigonometric parallaxes, standard candles and more help us
determine the distance of objects several billion light years away from Earth.
Lesson by Yuan-Sen Ting, animation by TED-Ed.
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TED-Ed
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THIS WEEK IN PICTURES (18-24 September)
PHOTO -
THE WEEK IN 10 PICTURES
(18-24 SEPTEMBER)
No views
Sep 24, 2021
AFP News Agency
1.26M subscribers
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AFP News Agency
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FUTUROLOGY : PETROVSKITE SOLAR, ENERGY OF THE FUTURE
PEROVSKITE SOLAR CELLS COULD BE
THE FUTURE OF ENERGY
784,103 views
Sep 14, 2021
Undecided with Matt Ferrell
611K subscribers
The perovskite solar cell could be the future of energy. Get Surfshark
VPN at https://surfshark.deals/undecided and enter promo code UNDECIDED for 83%
off and 3 extra months for free! What if we could build solar panels using
materials that aren't supply-limited and with a lower carbon process? As well
as achieving higher efficiencies at the same time? Perovskite solar panels have
been promising that future for some time now, but where are they? And are they
the future of solar panel technology? Let's explore Perovskite solar panels and
how they might energize our future.
Watch The Future of Solid State Wind Energy - No More Blades:
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Thursday, September 23, 2021
Wednesday, September 22, 2021
FASCINATING FACTS : THE SECRET LANGUAGE OF TREES
THE SECRET LANGUAGE OF TREES -
CAMILLE DEFRENNE AND
SUZANNE SIMARD
610,054 views
Jul 1, 2019
TED-Ed
14.8M subscribers
Learn how trees are able to communicate with each other through a vast
root system and symbiotic fungi, called mycorrhizae.
--
Most of the forest lives in the shadow of the giants that make up the
highest canopy. These are the oldest trees, with hundreds of children and
grandchildren. They check in with their neighbors, share food, supplies and
wisdom gained over their lives, all while rooted in place. How do they do this?
Camille Defrenne and Suzanne Simard explore the vast root system and intricate
communication of trees.
Lesson by Camille Defrenne and Suzanne Simard, directed by Avi Ofer.
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video would not be possible! Joe Giamartino, Filip Dabrowski, Barbara Smalley,
Megan Douglas, Tim Leistikow, Andrés Melo Gámez, Renhe Ji, Ka-Hei Law, Michal
Salman, Peter Liu, Mark Morris, Catherine Sverko, Misaki Sato, Tan YH, Ph.D.,
Rodrigo Carballo, SookKwan Loong, Bev Millar, Merit Gamertsfelder, Lex Azevedo,
Noa Shore, Taylor Hunter, Kyle Nguyen, MJ Tan Mingjie, Cristóbal Moenne, Goh
Xiang Ting Diana, Kevin Wong, Dawn Jordan, Yanira Santamaria, Prasanth
Mathialagan, Savannah Scheelings, Susan Herder, Samuel Doerle, David Rosario,
Dominik Kugelmann, Siamak H, Tracey Tobkin, Dwight Tevuk, Anthony Kudolo,
Mrinalini , Yanuar Ashari, Ivan Todorović, Alex Schenkman, Brittiny Elman, Ryohky Araya,
Paul Coupe, David Douglass, Ricardo Paredes, Bill Feaver, Eduardo Briceño and
Arturo De Leon.
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CAMILLE DEFRENNE AND SUZANNE SIMARD
TED-Ed
and YouTube and all the others who made this video possible.
AMAZING FACTS : HOW TREES SECRETLY TALK TO EACH OTHER IN THE FOREST
HOW TREES SECRETLY TALK
TO EACH OTHER IN THE FOREST
DECODER
548,618 views
Sep 11, 2018
National Geographic
18.4M subscribers
What do trees talk about? In the Douglas fir forests of Canada, see how
trees “talk” to each other by forming underground symbiotic
relationships—called mycorrhizae—with fungi to relay stress signals and share
resources with one another.
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Read ‘Talking Trees’ in the June 2018 issue of National Geographic
magazine to learn more about the Douglas fir forests of Canada and the work of
forest ecologist Suzanne Simard.
How Trees Secretly Talk to Each Other in the Forest | Decoder
https://youtu.be/7kHZ0a_6TxY
National Geographic
https://www.youtube.com/natgeo
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DECODER
National Geographic
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