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New videos from Khan Academy 2020-03-30T02:45:41.607151
Aggiornato: 37 min 15 sec fa

Fraction multiplication as scaling examples

Mar, 2020-03-10 07:31
Sal uses numbers line to show fraction multiplication as scaling.

From quills to beads: the bandolier bag

Lun, 2020-03-09 21:35
Shoulder Bag, 1840-1850, Delaware, Lenni Lenape, cotton, wool, silk, glass beads, tinned iron, brass, bone, 29 1/2 inces high (Newark Museum of Art, Purchase 2017 Mr. and Mrs. William V. Griffin Fund  2017.10) A conversation with Dr. Adriana Greci Green and Dr. Beth Harris A Seeing America video

The making of an American myth: Benjamin West, Penn's Treaty with the Indians

Lun, 2020-03-09 19:16
Benjamin West, Penn's Treaty with the Indians, 1771-72, oil on canvas, 191.8 x 273.7 cm (Pennsylvania Academy of the Fine Arts) A conversation with Monica Zimmerman. Vice President of Public Education and Engagement, Pennsylvania Academy of the Fine Arts and Beth Harris A Seeing America video

Endangered coastlines and lifeways — a Shinnecock artist's view

Lun, 2020-03-09 17:45
A conversation with Courtney M. Leonard and Beth Harris in front of Courtney Leonard's ARTIFICE Ellipse | Log: 18-3, coiled micaceous clay with glaze, 5 3/8 x 15 x 7 inches (Newark Museum of Art) © Courtney M. Leonard A Seeing America video

Sue Coe, Aids won't wait, the enemy is here not in Kuwait, 1990

Lun, 2020-03-09 16:22
Sue Coe, Aids won't wait, the enemy is here not in Kuwait, 1990, photo-etching on paper, 23.8 x 32.5 cm (Pennsylvania Academy of the Fine Arts, © Sue Coe) A conversation with Monica Zimmerman, Vice President of Public Education and Engagement, Pennsylvania Academy of the Fine Arts and Beth Harris A Seeing America video

Hock E Aye VI Edgar Heap of Birds, Native Hosts

Lun, 2020-03-09 15:15
Hock E Aye VI Edgar Heap of Birds, Native Hosts (Arkansas), 2018, aluminum sign, series of seven, 46.7 x 92.5 cm (Crystal Bridges Museum of American Art, ©Hock E Aye VI Edgar Heap of Birds), a Seeing America video Speakers: Dr. Mindy Besaw, Curator of American Art, Crystal Bridges Museum of American Art, and Dr. Beth Harris

Europe's earliest views of America

Mer, 2020-03-04 00:11
James Wooldridge, Indians of Virginia, c. 1675, oil on linen, 75.6 x 108.6 cm (Crystal Bridges Museum of American Art), a Seeing America video Speakers: Dr. Mindy Besaw, Curator of American Art, Crystal Bridges Museum of American Art and Dr. Steven Zucker

Beyond New York — Bellows and World War I

Mar, 2020-03-03 19:12
George Bellows, Return of the Useless, 1918, oil on canvas, 149.9 x 167.6 cm (Crystal Bridges Museum of American Art), a Seeing America video Speakers: Dr. Jen Padgett, Associate Curator, Crystal Bridges Museum of American Art and Dr. Steven Zucker

Clean water for a young Philadelphia

Sab, 2020-02-29 21:56
Thomas Birch, Fairmount Water Works, 1821, oil on canvas, 51.1 x 76.3 cm (Pennsylvania Academy of the Fine Arts), a Seeing America video Speakers: Dr. Anna O. Marley, Curator of Historical American Art, Pennsylvania Academy of the Fine Arts and Dr. Steven Zucker

Influence of political events on ideology

Sab, 2020-02-29 00:54
How do political events affect a person's ideology? In this video, Kim discusses how external events can shift a person's beliefs in the short and long term.

The Court in Action

Sab, 2020-02-29 00:54
What happens when the Supreme Court's decisions are controversial or unpopular? In this video, Kim discusses the ways that Congress and the president can challenge the Supreme Court.

The painting that inspired a National Park

Mer, 2020-02-26 21:16
Thomas Moran, Grand Canyon of the Yellowstone, 1872, oil on canvas mounted on aluminum, 213 x 266.3 cm (Smithsonian American Art Museum, Lent by the Department of the Interior Museum, L.1968.84.1), a Seeing America video Speakers: Dr. Eleanor Jones Harvey, Senior Curator, Smithsonian American Art Museum and Dr. Beth Harris

Dipole-dipole forces

Mar, 2020-02-25 18:16
Dipole-dipole forces occur between molecules with permanent dipoles (i.e., polar molecules). For molecules of similar size and mass, the strength of these forces increases with increasing polarity. Polar molecules can also induce dipoles in nonpolar molecules, resulting in dipole-induced dipole forces.

London dispersion forces

Mar, 2020-02-25 18:16
London dispersion forces result from the coulombic interactions between instantaneous dipoles. Dispersion forces are present between all molecules (and atoms) and are typically greater for heavier, more polarizable molecules and molecules with larger surface areas.

Hydrogen bonding

Mar, 2020-02-25 18:16
Hydrogen bonding is a special type of dipole-dipole interaction that occurs between the lone pair of a highly electronegative atom (typically N, O, or F) and the hydrogen atom in a N–H, O–H, or F–H bond. Hydrogen bonds can form between different molecules (intermolecular hydrogen bonding) or between different parts of the same molecule (intramolecular hydrogen bonding).

What advice do you have for someone wanting to be an entrepreneur?

Lun, 2020-02-24 21:02
Sal answers the question "What advice do you have for someone wanting to be an entrepreneur?" as part of its partnership with Bank of America on career and personal finance education (Better Money Habits).

How do you prepare yourself mentally to be an entrepreneur?

Lun, 2020-02-24 21:02
Sal answers the question "How do you prepare yourself mentally to be an entrepreneur?" as part of its partnership with Bank of America on career and personal finance education (Better Money Habits).

What to think about when taking over an existing business?

Lun, 2020-02-24 21:02
Sal answers the question "What to think about when taking over an existing business?" as part of its partnership with Bank of America on career and personal finance education (Better Money Habits).

How do you know if a business idea is worth pursuing?

Lun, 2020-02-24 21:02
Sal answers the question "How do you know if a business idea is worth pursuing?" as part of its partnership with Bank of America on career and personal finance education (Better Money Habits).

How to handle naysayers when starting a business?

Lun, 2020-02-24 21:01
Sal answers the question "How to deal with naysayers when starting a business?" as part of its partnership with Bank of America on career and personal finance education (Better Money Habits).

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