Gresham College has been providing free public lectures since 1597, making us London's oldest higher education institution. This podcast offers our recorded lectures that are free to access from the Gresham College website, or our YouTube channel.
…
continue reading
Gresham College Podcasts
Welcome to a brand new podcast by Gresham College called Any Further Questions? This is a podcast where we sit down with one of our speakers for an in-depth candid discussion on the lecture they just gave. Due to our strict 1 hour lecture time, we get tons of questions from our online and in-person audience that go unanswered. This is the place they are answered.
…
continue reading
1
MhChem Chemistry with Dr. Michael Russell
Dr. Michael Russell of Mt. Hood Community College in Gresham, Oregon USA (mhchem.org)
A podcast supporting the chemistry students of Dr. Michael Russell at Mt. Hood Community College in Gresham, Oregon, USA.
…
continue reading
1
The Economics of Work and Technology - Daniel Susskind
52:37
52:37
Play later
Play later
Lists
Like
Liked
52:37Watch the Q&A session here: https://youtu.be/v0RoRG2YA-0 Why has automation anxiety – the fear that new technologies cause mass unemployment – proven wrong over the centuries? This lecture explores how technology affects the labour market. While new technologies can substitute for workers, reducing demand for their efforts at certain activities, th…
…
continue reading
Chemistry 221 L1 Video Lecture from November 12, 2025. This video covers material from Chapter 6 including empirical formula, molecular formula, finding an empirical (and molecular) formula from combustion, concentration, molarity, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…
…
continue reading
Chemistry 221 L1 Video Lecture from November 10, 2025. This video covers material from Chapter 6 including formula mass and molar mass, how chemists find a molecular formula, percent composition, empirical formulas, using molar mass to convert empirical formulas to molecular formulas, and more. CH 221 website: http://mhchem.org/221 Let me know if y…
…
continue reading
Chemistry 221 L1 Video Lecture from November 7, 2025. This video covers Day 3 of an Exam Review for the Midterm Exam II. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
This video shows the Complete Lecture for the Exam II Review in CH 221.By Michael Russell
…
continue reading
1
Whither War; Whither the Law of War - Professor Sir Geoffrey Nice KC
1:01:09
1:01:09
Play later
Play later
Lists
Like
Liked
1:01:09How might we change the way we – and all our leaders think – so that we never go to war? The war between Russia and Ukraine, as well as the conflict in Gaza, have galvanised thinking about, and action by, the bodies administering, the laws of war. National court processes - applying ‘universal jurisdiction’ for example – may bring international war…
…
continue reading
1
CH 221 - A Video Introduction to Midterm Exam II
2:26
2:26
Play later
Play later
Lists
Like
Liked
2:26This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 221.By Michael Russell
…
continue reading
1
110625 L2 Chemistry 221 Video Lecture Part 3
25:49
25:49
Play later
Play later
Lists
Like
Liked
25:49Chemistry 221 L2 Video Lecture from November 6, 2025, Part 3 of 4. This video covers material from Chapter 6 including finding an empirical formula, the difference between an empirical formula and a molecular formula, finding a molecular formula using an empirical formula and the molar mass, and more. CH 221 website: http://mhchem.org/221 Let me kn…
…
continue reading
1
110625 L2 Chemistry 221 Video Lecture Part 4
25:05
25:05
Play later
Play later
Lists
Like
Liked
25:05Chemistry 221 L2 Video Lecture from November 6, 2025, Part 4 of 4. This video covers material from Chapter 6 including solutions, morality, creating a solution from mass of solute, creating a solution using a concentrated solution (C1V1 = C2V2), other concentration types, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any q…
…
continue reading
1
110625 L2 Chemistry 221 Video Lecture Part 2
48:57
48:57
Play later
Play later
Lists
Like
Liked
48:57Chemistry 221 L2 Video Lecture from November 6, 2025, Part 2 of 4. This video covers Part II of an Exam Review for the upcoming Midterm Exam II. This lecture also started the material for Chapter 6 including finding a formula in chemistry, methods for finding an empirical formula, and more. CH 221 website: http://mhchem.org/221 Let me know if you h…
…
continue reading
1
110625 L2 Chemistry 221 Video Lecture Part 1
1:04:56
1:04:56
Play later
Play later
Lists
Like
Liked
1:04:56Chemistry 221 L2 Video Lecture from November 6, 2025, Part 1 of 4. This video covers Part I of an Exam Review for the upcoming Midterm Exam II. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
Chemistry 221 L1 Video Lecture from November 5, 2025. This video covers Day 2 of an Exam Review for the Midterm Exam II. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
1
From Tyranny to Athenian Democracy - Melissa Lane
49:38
49:38
Play later
Play later
Lists
Like
Liked
49:38When – and how – did Athenian democracy begin? There is no unambiguous answer to this question. This lecture explores one plausible origin: the popular uprising in 508 BCE overthrowing foreign invaders (who had previously expelled an Athenian-bred family of tyrants). In the aftermath of that revolution, the Athenians – led by Kleisthenes – reorgani…
…
continue reading
Chemistry 221 L1 Video Lecture from November 3, 2025. This video covers Day 1 of an Exam Review for the Midterm Exam II. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
Chemistry 221 L1 Video Lecture from October 31, 2025. This video covers material from Chapter 5 including building a molecular orbital diagram, bond order, bond order with respect to Lewis structures, magnetism, making ions in MO diagrams, shorthand notation, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Pea…
…
continue reading
1
China and Chineseness: Lessons from the Chinese Mainland, Hong Kong and Taiwan - Steve Tsang
44:35
44:35
Play later
Play later
Lists
Like
Liked
44:35This lecture is about the meaning of China and being Chinese. It examines critically how the Chinese state, under the control of the Communist Party defines them. It highlights the historical reality that the Chinese Mainland, Hong Kong and Taiwan adopted different political systems. The Communist Party installed a powerful Leninist party-state on …
…
continue reading
1
CH 221: A Video Introduction to Chapter Guide Five
1:15
1:15
Play later
Play later
Lists
Like
Liked
1:15This is the video introduction to Chapter Guide Five for Chemistry 221.By Michael Russell
…
continue reading
1
Chapter 5 Screencast - Valence Bond and Molecular Orbital Theory
5:17
5:17
Play later
Play later
Lists
Like
Liked
5:17A screencast from Chapter 5 in CH 221 entitled “Valence Bond and Molecular Orbital Theory”By Michael Russell
…
continue reading
1
Chapter 5 Screencast - Valence Bond Theory (BF3)
6:16
6:16
Play later
Play later
Lists
Like
Liked
6:16A screencast from Chapter 5 in CH 221 entitled “Chapter 5 Screencast - Valence Bond Theory (BF3)”By Michael Russell
…
continue reading
1
Chapter 5 Screencast - Valence Bond Theory (CH4)
10:52
10:52
Play later
Play later
Lists
Like
Liked
10:52A screencast from Chapter 5 in CH 221 entitled “Chapter 5 Screencast - Valence Bond Theory (CH4)”By Michael Russell
…
continue reading
1
Chapter 5 Screencast - Multiple Bonds in VB Theory
11:32
11:32
Play later
Play later
Lists
Like
Liked
11:32A screencast from Chapter 5 in CH 221 entitled “Multiple Bonds in VB Theory”By Michael Russell
…
continue reading
1
Chapter 5 Screencast - An Introduction to Molecular Orbital Theory
10:51
10:51
Play later
Play later
Lists
Like
Liked
10:51A screencast from Chapter 5 in CH 221 entitled “An Introduction to Molecular Orbital Theory”By Michael Russell
…
continue reading
1
Chapter 5 Screencast - MO Diagrams and Bond Order
11:32
11:32
Play later
Play later
Lists
Like
Liked
11:32A screencast from Chapter 5 in CH 221 entitled “MO Diagrams and Bond Order”By Michael Russell
…
continue reading
1
Chapter 5 Screencast - More MO Diagrams (pi bonds)
12:01
12:01
Play later
Play later
Lists
Like
Liked
12:01A screencast from Chapter 5 in CH 221 entitled “More MO Diagrams (pi bonds)”By Michael Russell
…
continue reading
1
Chapter 5 Screencast - Paramagnetism and Ions in MO Theory
12:24
12:24
Play later
Play later
Lists
Like
Liked
12:24A screencast from Chapter 5 in CH 221 entitled “Paramagnetism and Ions in MO Theory”By Michael Russell
…
continue reading
This the Complete Lecture for Chapter 5. This episode is part 1 of 2 episodes.By Michael Russell
…
continue reading
This the Complete Lecture for Chapter 5. This episode is part 2 of 2 episodes.By Michael Russell
…
continue reading
1
103025 L2 Chemistry 221 Video Lecture Part 3
19:43
19:43
Play later
Play later
Lists
Like
Liked
19:43Chemistry 221 L2 Video Lecture from October 30, 2025, Part 3 of 3. This video covers material from Chapter 5 including magnetism in molecular orbital (MO) theory, short hand notation in MO theory, determining the number of sigma and pi bonds in MO theory and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…
…
continue reading
1
103025 L2 Chemistry 221 Video Lecture Part 2
42:11
42:11
Play later
Play later
Lists
Like
Liked
42:11Chemistry 221 L2 Video Lecture from October 30, 2025, Part 2 of 3. This video covers material from Chapter 5 including an introduction to molecular orbital theory, bonding and antibonding orbitals, the four principles of MO theory, bond order in MO Theory and in Lewis Structures, and more. CH 221 website: http://mhchem.org/221 Let me know if you ha…
…
continue reading
1
103025 L2 Chemistry 221 Video Lecture Part 1
45:42
45:42
Play later
Play later
Lists
Like
Liked
45:42Chemistry 221 L2 Video Lecture from October 30, 2025, Part 1 of 3. This video covers material from Chapter 5 including an introduction to valence bond theory, orbital hybridization, sigma and pi bonds, the nature of a pi bond, hindered rotation around double bonds (relative to sigma bonds), and more. CH 221 website: http://mhchem.org/221 Let me kno…
…
continue reading
Chemistry 221 L1 Video Lecture from October 29, 2025. This video covers material from Chapter 5 including valence bond theory (sp3 hybridization), the origin of double and triple bonds (pi bonds), molecular orbital theory, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…
…
continue reading
Watch the Q&A session here: https://youtu.be/3LrIEG26m78 War's environmental legacies disproportionately burden the civilian populations left behind. While research focuses on combatant exposures, civilians face chronic contamination from heavy metals, chemical residues, unexploded ordnance, and asbestos, often exacerbated by disrupted infrastructu…
…
continue reading
Chemistry 221 L1 Video Lecture from October 27, 2025. This video covers material from Chapter 4 and Chapter 5 including molecular polarity, VSEPR, Valence Bond Theory (VB) and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
Chemistry 221 L1 Video Lecture from October 24, 2025. This video covers material from Chapter 4 including violations of the octet rule, paramagnetic compounds, formal charges, VSEPR, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
1
How Does Mathematics Last? Heritage and Heritage-making in Mathematics - Caroline Ehrhardt
46:25
46:25
Play later
Play later
Lists
Like
Liked
46:25How is mathematical knowledge recorded and preserved across generations? Contrary to the idea that mathematics itself is somehow ‘permanent’, in this talk we will explore heritage-making in mathematics, that is the people, institutions, and material objects that can give mathematical ideas longevity. We will explore the heritage-making found in two…
…
continue reading
1
102325 L2 Chemistry 221 Video Lecture Part 3
27:59
27:59
Play later
Play later
Lists
Like
Liked
27:59Chemistry 221 L2 Video Lecture from October 23, 2025, Part 3 of 3. This video covers material from Chapter 4 including VSEPR with trigonal bipyramid and octahedral structures, molecular polarity, how to determine if a molecule is polar or nonpolar and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…
…
continue reading
1
102325 L2 Chemistry 221 Video Lecture Part 2
54:30
54:30
Play later
Play later
Lists
Like
Liked
54:30Chemistry 221 L2 Video Lecture from October 23, 2025, Part 2 of 3. This video covers material from Chapter 4 including multiple (double and triple) bonds, exceptions to the octet rule, paramagnetic molecules, VSEPR and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…
…
continue reading
1
102325 L2 Chemistry 221 Video Lecture Part 1
54:41
54:41
Play later
Play later
Lists
Like
Liked
54:41Chemistry 221 L2 Video Lecture from October 23, 2025, Part 1 of 3. This video covers material from Chapter 4 including ionic and covalent bonding, Coulomb's Law, the Lewis structure, electronegativity, valence and core electrons, bonding and lone pairs, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…
…
continue reading
Chemistry 221 L1 Video Lecture from October 22, 2025. This video covers material from Chapter 4 including polar versus nonpolar bonds, electronegativity, valence electrons, the Lewis structure, building a Lewis structure, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…
…
continue reading
1
Evoking Empathy through Animal Portraiture
47:11
47:11
Play later
Play later
Lists
Like
Liked
47:11The natural world faces unprecedented threats, challenging historical perceptions of nature as inexhaustible. Photographer Tim Flach draws on his acclaimed works, including Endangered, More Than Human, and Birds, to reveal how photography transcends traditional wildlife representation. By employing critical anthropomorphism and human portraiture te…
…
continue reading
Chemistry 221 L1 Video Lecture from October 20, 2025. This video covers day 3 of an exam review for the upcoming Midterm Exam I. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
Chemistry 221 L1 Video Lecture from October 17, 2025. This video covers day 2 of an exam review for the upcoming Midterm Exam I. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
Fear is one of the earliest emotions to have evolved. Most vertebrates – and possibly some invertebrates – show fear when they are threatened. At its most core, fear keeps us alive, helping us flee from predators or avoid dangerous environments. But why does this process sometimes backfire, leaving us paralysed by otherwise harmless phobias? And wh…
…
continue reading
1
Exam I Review Session Complete Lecture
1:17:28
1:17:28
Play later
Play later
Lists
Like
Liked
1:17:28This video shows the Complete Lecture for the Exam I Review in CH 221.By Michael Russell
…
continue reading
1
CH 221 - A Video Introduction to Midterm Exam I
2:01
2:01
Play later
Play later
Lists
Like
Liked
2:01This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 221.By Michael Russell
…
continue reading
1
101625 L2 Chemistry 221 Video Lecture Part 3
46:01
46:01
Play later
Play later
Lists
Like
Liked
46:01Chemistry 221 L2 Video Lecture from October 16, 2025, Part 3 of 3. This video covers Part 3 of an exam review for the upcoming Midterm Exam I. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
1
101625 L2 Chemistry 221 Video Lecture Part 2
49:14
49:14
Play later
Play later
Lists
Like
Liked
49:14Chemistry 221 L2 Video Lecture from October 16, 2025, Part 2 of 3. This video covers Part 2 of an exam review for the upcoming Midterm Exam I. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
1
101625 L2 Chemistry 221 Video Lecture Part 1
48:18
48:18
Play later
Play later
Lists
Like
Liked
48:18Chemistry 221 L2 Video Lecture from October 16, 2025, Part 1 of 3. This video covers Part 1 of an exam review for the upcoming Midterm Exam I. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
Chemistry 221 L1 Video Lecture from October 15, 2025. This video covers day 1 of an exam review for the upcoming Midterm Exam I. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!By [email protected]
…
continue reading
1
Hitler, Jesus & How to Win a Culture War - Alec Ryrie
45:51
45:51
Play later
Play later
Lists
Like
Liked
45:51Since 1945 Hitler and the Nazis have been the Western world’s one fixed moral reference point: the way we know what evil is. But that consensus has always been more fragile than it felt, and now it is unravelling. This lecture will trace how we came to build our values around the memory of the Second World War, why that consensus isn’t enough to de…
…
continue reading