The Four Fundamental Subspaces and Least Squares
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5/5
Tuit catalog
Synthesis notes of video analyses, assessed and condensed, in French and English.
42,052 tuit
·
890 channels
·
42 domains
·
Last update: Sep 6, 2026
Agriculture & Food
119
AI — Models & Research
2989
AI — News & Applications
1367
AI & Society
726
Archaeology
112
Arts & Architecture
1206
Astronomy & Cosmology
3389
Biology
1864
Chemistry
307
Climate & Ecology
873
Computing & Cybersecurity
3107
Control & Robotics
331
Earth Sciences & Geography
230
Economics & Finance
2786
Education
644
Energy
1167
Engineering & Technology
2925
Foresight & Science Fiction
339
Geopolitics & Defence
470
History
592
Hobbies & Practical
260
Language & Linguistics
267
Law & Justice
498
Literature & Writing
778
Mathematics
1960
Media & Information
241
Medicine & Health
2592
Neuroscience
390
Paleontology
61
Personal Development
480
Philosophy & Ethics
724
Physics
2871
Politics & Institutions
558
Psychology
455
Religion & Beliefs
225
Science — General & History
1414
Society & Culture
872
Space Exploration
831
Sports
75
Transport & Mobility
126
Urban Planning & Mobility
69
Video Games
762
VSC
Advice on careers and achieving success
51
TRP
Aerospace and aviation technology
810
PBF
Algebra
238
PBMW
Algebraic geometry
154
PBPD
Algebraic topology
42
UMB
Algorithms and data structures
51
KNBT
Alternative and renewable energy industries
113
THV
Alternative and renewable energy sources and technology
131
MKJD
Alzheimer’s, dementia, Parkinson’s disease and other neurodegenerative diseases
61
QDHA
Ancient Greek and Roman philosophy
37
JBFU
Animals and society
20
TTB
Applied optics
27
NKDS
Archaeological sites
26
NK
Archaeology
39
NKD
Archaeology by period
20
AM
Architecture
29
UYQD
Artificial general intelligence (AGI)
31
UYQ
Artificial intelligence (AI)
1365
VSPM
Assertiveness, motivation, self-esteem and positive mental attitude
177
TTDS
Astronautics
966
PGG
Astronomical observation: observatories, equipment and methods
101
PG
Astronomy, space and time
881
PHVB
Astrophysics
109
PHM
Atomic and molecular physics
69
TJFM
Automatic control engineering
68
KFFK
Banking
21
THYB
Battery technology
135
PBTB
Bayesian inference
30
PSB
Biochemistry
295
RNCB
Biodiversity
30
PSAD
Bioethics
30
DNBH
Biography: historical, political and military
77
DNBM
Biography: philosophy and social sciences
20
DNBR
Biography: royalty
24
DNBT
Biography: science, technology and medicine
56
DNBL
Biography: writers
38
PS
Biology, life sciences
20
MQW
Biomedical engineering
21
PHVN
Biophysics
25
TCB
Biotechnology
53
TNK
Building construction and materials
20
KJ
Business and Management
37
KJJ
Business and the environment; sustainable approaches to business
29
KJD
Business innovation
22
KJC
Business strategy
24
PBKA
Calculus
40
PBK
Calculus and mathematical analysis
55
MJD
Cardiovascular medicine
25
JNR
Careers guidance
31
PSF
Cellular biology (cytology)
114
JPQB
Central
40
PN
Chemistry
21
MJCL2
Chemotherapy
26
AMVD
City and town planning: architectural aspects
27
NHWR3
Civil wars
20
PHD
Classical mechanics
188
RNPG
Climate change
191
RBPC
Climatology and climate modelling
24
UTC
Cloud computing
23
GPJ
Coding theory and cryptology
36
JMR
Cognition and cognitive psychology
106
PSAN5
Cognitive and behavioural neuroscience
226
GTK
Cognitive studies
38
PBV
Combinatorics and graph theory
49
GTC
Communication studies
26
TJK
Communications engineering
29
DSM
Comparative literature
23
PBKD
Complex analysis, complex variables
50
PSAX
Computational biology
78
KNTV
Computer and video game industry
162
UYF
Computer architecture and logic design
104
URH
Computer fraud and hacking
218
UDX
Computer games
515
UGG
Computer games design
212
UYM
Computer modelling and simulation
21
UT
Computer networking and communications
22
UY
Computer science
47
UR
Computer security
603
URJ
Computer viruses, Trojans and worms
24
UYQV
Computer vision
105
PHFC
Condensed matter physics (liquid state and solid state physics)
113
JBGX
Conspiracy theories
45
LNDX
Constitution
31
JPZ
Corruption in politics, government and society
26
PGK
Cosmology and the universe
933
JKVF
Criminal investigation and detection
30
GPH
Data science and analysis
33
GTS
Decolonisation of knowledge
34
KCM
Development economics and emerging economies
55
GTP
Development studies
33
PSC
Developmental biology
36
MBNH3
Dietetics and nutrition
22
PBMP
Differential and Riemannian geometry
34
PBKJ
Differential calculus and equations
85
UBJ
Digital and information technologies: social and ethical aspects
720
KCVM
Digital or internet economics
30
WNA
Dinosaurs and the prehistoric world: general interest
50
JPSD
Diplomacy
29
JBFM
Disability: social aspects
21
JBCT5
Disinformation and misinformation
65
ATFR
Documentary films
23
RNFD
Drought and water supply
20
PHDT
Dynamics and statics
75
QDHC
East Asian and Indian philosophy
26
PSAF
Ecological science, the Biosphere
31
KCX
Economic and financial crises and disasters
28
KCA
Economic theory and philosophy
34
KC
Economics
21
JNDH
Education: examinations and assessment
30
JNK
Educational administration and organization
20
JNV
Educational equipment and technology, computer-aided learning (CAL)
59
JNC
Educational psychology
25
JPHF
Elections and referenda
28
TRV
Electric vehicles
42
THR
Electrical engineering
52
KNBL
Electrical power generation and distribution industries
245
PHK
Electricity, electromagnetism and magnetism
235
TJFD
Electronic devices and materials
178
TJFC
Electronics: circuits and components
165
PHDB
Elementary mechanics
33
MJG
Endocrinology
22
LNCR
Energy and natural resources law
35
THYC
Energy efficiency
50
KNB
Energy industries and utilities
186
RNFY
Energy resources
49
THY
Energy, power generation, distribution and storage
298
TGMD
Engineering: Mechanics of solids
24
UFL
Enterprise software
45
KJH
Entrepreneurship
98
KCVG
Environmental economics
86
MBNH2
Environmental factors
49
RND
Environmental policy and protocols
176
RNA
Environmentalist thought and ideology
75
MBNS
Epidemiology and Medical statistics
108
SXE
eSports
23
QDTQ
Ethics and moral philosophy
44
PSVP
Ethology and animal behaviour
28
PBMH
Euclidean geometry
41
NHD
European history
22
PSAJ
Evolution
131
PSXE
Evolutionary anthropology
73
UYQE
Expert systems
25
ATFG
Film guides and reviews
90
ATFA
Film history, theory or criticism
24
ATFN
Film: styles and genres
337
KFF
Finance and the finance industry
32
KFFF
Financial technology (fintech)
29
RNFF
Food security and supply
33
PBKF
Functional analysis and transforms
26
PGM
Galaxies and stars
295
UMK
Games development and programming
36
JBSF
Gender studies, gender groups
22
JBSF1
Gender studies: women and girls
69
MKZV
Gene therapy
36
GTZ
General studies and General knowledge
21
UYQF
Generative artificial intelligence
1413
TCBG
Genetic engineering
47
PSAK
Genetics (non-medical)
603
RBG
Geology, geomorphology and the lithosphere
20
PHVG
Geophysics
32
JPSL
Geopolitics
255
THVG
Geothermal energy and power
33
PHDV
Gravity
28
KFFS
Green finance
49
PBG
Groups and group theory
103
MJF
Haematology
20
MBP
Health systems and services
35
JBFN
Health, illness or addiction: social aspects
21
VFMD
Health: Diets and nutrition
20
MJJ
Hepatology
40
JNM
Higher education, tertiary education
217
RBGF
Historical geology and palaeogeology
36
NHAH
Historiography
30
NH
History
35
AGA
History of art
25
UBB
History of Computing, digital and information technologies
41
TBX
History of engineering and technology
21
PBX
History of mathematics
25
PDX
History of science
132
NHK
History of the Americas
50
NHT
History: specific events and topics
21
JBFD
Housing and homelessness
20
PSX
Human biology
24
JPVH
Human rights, civil rights
39
THD
Hydrogen technologies
50
THVH
Hydropower
21
MJCM
Immunology
78
PDR
Impact of science and technology on society
103
AMB
Individual architects and architectural firms
23
AGB
Individual artists, art monographs
30
ATFB
Individual film directors, film-makers
26
PDG
Industrial applications of scientific research and technological innovation
44
MJCJ
Infectious and contagious diseases
54
KNTX
Information technology industries
133
JWD
Information warfare
25
GTV
Institutions and learned societies: general
31
PBKL
Integral calculus and equations
21
JPSN
International institutions
23
JPS
International relations
21
KCLT
International trade and commerce
43
ATN
Internet and digital media: arts and performance
49
DNPB
Interviews
32
KFFM
Investment and securities
108
KJMV3
IT and information systems management
35
KCF
Labour
80
PHJL
Laser physics
42
DSRC
Literary companions, book reviews and guides
25
DSK
Literary studies: fiction, novelists and prose writers
62
DSC
Literary studies: poetry and poets
43
DSA
Literary theory
22
UYQM
Machine learning
940
KCB
Macroeconomics
20
KJMB
Management: leadership and motivation
36
TGM
Materials science
45
MKCM
Materno-foetal medicine
34
PHU
Mathematical
129
PBCD
Mathematical logic
99
PBWH
Mathematical modelling
51
UYA
Mathematical theory of computation
186
PB
Mathematics
76
MFKH3
Maturation and ageing
59
JBCT
Media studies
21
JBCT1
Media studies: internet, digital media and society
48
JBCT4
Media studies: journalism
76
MBF
Medical and health informatics
55
MFN
Medical genetics
155
MKS
Medical imaging
20
MBGL
Medical laboratory testing and techniques
20
MBGR
Medical research
42
RBPM
Meteorology
23
PSG
Microbiology (non-medical)
50
JBFH
Migration, immigration and emigration
26
JWK
Military and defence strategy
34
PSD
Molecular biology
159
KCBM
Monetary economics
70
GLZ
Museology and heritage studies
23
TBN
Nanotechnology
25
UYX
Natural computing
722
RNR
Natural disasters
24
UYQL
Natural language and machine translation
116
WN
Nature and the natural world: general interest
46
UTN
Network security
43
UTP
Networking standards and protocols
21
UYQN
Neural networks and fuzzy systems
348
MKJ
Neurology and clinical neurophysiology
53
PSAN
Neurosciences
106
PNRL
Nuclear chemistry, photochemistry and radiation
26
RNQ
Nuclear issues
27
MKR
Nuclear medicine
66
PHN
Nuclear physics
101
THK
Nuclear power and engineering
174
PBH
Number theory
181
PBKS
Numerical analysis
32
RBKC
Oceanography (seas and oceans)
42
MJCL
Oncology
113
PHJ
Optical physics
137
PBU
Optimization
28
TTMW
Ordnance, weapons technology
20
PNN
Organic chemistry
65
RBX
Palaeontology
61
MKB
Palliative medicine
32
UYFP
Parallel processing
24
PHP
Particle and high-energy physics
104
GTU
Peace studies and conflict resolution
34
VSB
Personal finance
29
KJMV2
Personnel and human resources management
25
KNBP
Petroleum, oil and gas industries
80
MKG
Pharmacology
45
QD
Philosophy
28
PBB
Philosophy of mathematics
29
QDTM
Philosophy of mind
63
PDA
Philosophy of science
136
QDTK
Philosophy: epistemology and theory of knowledge
109
QDTL
Philosophy: logic
47
QDTJ
Philosophy: metaphysics and ontology
38
PNR
Physical chemistry
65
PH
Physics
160
PHDF
Physics: Fluid mechanics
40
JMM
Physiological psychology, neuropsychology, biopsychology
23
MFG
Physiology
48
PSTB
Plant biology
28
PHFP
Plasma physics
22
KCP
Political economy
96
JPHL
Political leaders and leadership
36
JPA
Political science and theory
21
JPHV
Political structures
42
JP
Politics and government
54
RNP
Pollution and threats to the environment
31
PDZM
Popular and recreational mathematics
71
WNX
Popular astronomy and space
761
QDXB
Popular philosophy: Meaning of life
22
VSP
Popular psychology
74
PDZ
Popular science
350
JPWG
Pressure groups, protest movements and non-violent action
25
URD
Privacy and data protection
27
PBT
Probability and statistics
215
TGP
Production and industrial engineering
34
UMX
Programming and scripting languages: general
89
UMA
Programming techniques
25
JMA
Psychological theory, systems, schools and viewpoints
20
JM
Psychology
55
JMQ
Psychology: emotions
22
JMT
Psychology: states of consciousness
31
MKGW
Psychopharmacology
35
JPP
Public administration
25
KFFD
Public finance and taxation
41
MBN
Public health and preventive medicine
59
PHQ
Quantum physics (quantum mechanics and quantum field theory)
739
JBFA1
Racism and racial discrimination
26
PBKB
Real analysis, real variables
36
MFGG
Regional physiology
23
PHR
Relativity physics
278
QRAM2
Religion and politics
21
QRAM3
Religion and science
24
DNP
Reportage, journalism or collected columns
66
GPS
Research methods
95
TJFM1
Robotics
262
KJS
Sales and marketing
36
KJMV7
Sales and marketing management
41
UFLS
SAP (Systems, applications and products in databases)
22
FLU
Science fiction: aliens
77
FLW
Science fiction: space exploration
198
FLS
Science fiction: space opera
34
PDK
Science funding and policy
64
PD
Science: general issues
51
PDM
Scientific research
45
NHWR7
Second World War
39
CFG
Semantics, discourse analysis, stylistics
28
PSAN4
Sensory and motor systems
20
TJKH
Signal processing
27
NHTS
Slavery, enslaved persons and abolition of slavery
27
NHTB
Social and cultural history
59
JBF
Social and ethical issues
28
QDTS
Social and political philosophy
64
JBFZ
Social forecasting, future studies
20
RNT
Social impact of environmental issues
36
JMH
Social, group or collective psychology
43
CFB
Sociolinguistics
34
UMZ
Software Engineering
64
THVS
Solar power
150
PGS
Solar system: the Sun and planets
289
TTDX
Space exploration
517
TTD
Space science
277
DNS
Speeches
35
PHS
Statistical physics
48
PBWL
Stochastics
43
RNU
Sustainability
46
JNU
Teaching of a specific subject
28
ATJ
Television
39
ATJS
Television: styles and genres
20
ATD
Theatre studies
22
PGC
Theoretical and mathematical astronomy
73
ABA
Theory of art
31
PHH
Thermodynamics and heat
25
PGZ
Time (chronology), time systems and standards
43
PBP
Topology
21
RPC
Urban and municipal planning and policy
47
MBNK
Vaccination
27
RBC
Volcanology and seismology
24
PHDS
Wave mechanics (vibration and acoustics)
34
UMW
Web programming
49
THVW
Wind power
24
CBW
Writing and editing guides
25
PSV
Zoology and animal sciences
22
Pourquoi le STARSHIP a encore EXPLOSÉ ? - Le Journal de la STARBASE #245 - Le JDE
Why did the STARSHIP EXPLODE again? - The STARBASE Journal #245 - The JDE
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☆
4/5
J’ai créé un clone de ChatGPT en 1h avec Manus AI (il déchire)
I created a ChatGPT clone in 1h with Manus AI (it rocks)
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★
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☆
4/5
F. Astronomie Fleurance 2024 : Dernières nouvelles de la voie lactée avec GAIA- par A. RECIO BLANCO
F. Astronomie Fleurance 2024: Latest news from the Milky Way with GAIA - by A. RECIO BLANCO
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☆
4/5
Elimination and Factorization A = CR
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5/5
Stephen Hawking face au PARADOXE du voyage temporel | Science & Vie
Stephen Hawking faces the paradox of time travel | Science & Vie
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☆
4/5
la Chine lâche une nouvelle BOMBE IA : Deepseek R2 arrive !
China drops a new AI BOMB: Deepseek R2 is coming!
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★
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☆
☆
2/5
Des LASERS qui se transforment en SUPERSOLIDES ? L'EXPERIENCE la plus intrigante de l’année DNDE 386
LASERS THAT TURN INTO SUPERSOLIDS? THE MOST INTRIGUING EXPERIMENT OF THE YEAR DNDE 386
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☆
4/5
What Would an Alien Robot Look Like?
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4/5
ELON MUSK: les RAISONS de ses MENSONGES - On Se l'Demande #139 - Le JDE
ELON MUSK: The REASONS for his LIES - On Se l'Demande #139 - Le JDE
★
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☆
4/5
El arte de pensar: filosofía para el siglo XXI | José Carlos Ruiz, filósofo y profesor
The art of thinking: philosophy for the 21st century | José Carlos Ruiz, philosopher and professor
★
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☆
4/5
Dernières nouvelles de l’espace-temps, Grand entretien de Christophe Le Poncin-Lafitte
Latest news from space-time, Long interview with Christophe Le Poncin-Lafitte
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☆
4/5
Perspectives | Colloque sur les migrations humaines 5/6
Perspectives | Symposium on Human Migrations 5/6
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☆
4/5
La peur de l'Autre et les préjugés : une longue histoire | Colloque sur les migrations humaines 4/6
Fear of the Other and prejudices: a long history | Symposium on human migrations 4/6
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☆
4/5
Et si la TERRE évoluait autre part dans la GALAXIE ?
What if EARTH evolved somewhere else in the GALAXY?
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4/5
Déclin du pétrole : une catastrophe pour l'industrie européenne ?
Decline of oil: a catastrophe for European industry?
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☆
4/5
Conclusion | Colloque sur les migrations humaines 6/6
Conclusion | Conference on Human Migrations 6/6
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☆
4/5
5 Méthodes Concrètes Pour Gagner de l'Argent Avec l’IA (sans expérience)
5 Concrete Methods to Make Money with AI (without experience)
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☆
3/5
Store All Data Types with Agentic RAG in n8n
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☆
4/5
Peuplement | Colloque sur les migrations humaines 3/6
Settlement | Symposium on Human Migrations 3/6
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☆
4/5
Mouvement | Colloque sur les migrations humaines 2/6
Movement | Symposium on Human Migrations 2/6
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☆
4/5
Manus AI : l'IA qui choque le Monde – Test en Exclu TOTALE
Manus AI: the AI that Shocks the World – Exclusive TOTALLY Test
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4/5
Le monde en ÉTAT DE CHOC : Elon Musk dépasse toutes les limites ! Test N°8
The world in SHOCK: Elon Musk crosses all limits! Test No. 8
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3/5
Le framework ULTIME pour écrire de bons contenus ! (dans Obsidian)
The ULTIMATE framework for writing good content! (in Obsidian)
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☆
4/5
Introduction | Colloque sur les migrations humaines 1/6
Introduction | Conference on Human Migrations 1/6
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☆
4/5
F. Astronomie Fleurance 2024: Archimède et les très grands nombres- par Etienne GHYS
F. Astronomie Fleurance 2024: Archimedes and very large numbers - by Etienne GHYS
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5/5
8e vol : Booster RATTRAPÉ, Starship ÉCLATÉ ! Le BILAN - Le Journal de la Starbase #244 - Le JDE
8th Flight: Booster Caught, Starship Busted! The Review - Starbase Journal #244 - The JDE
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4/5
Test : Split Fiction, un incroyable feu d'artifice à ne pas manquer ! C'est Ouf !
Test: Split Fiction, an incredible firework not to be missed! It's Crazy!
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4/5
