When the crystal is not so clear
★
★
★
★
☆
4/5
Tuit catalog
Synthesis notes of video analyses, assessed and condensed, in French and English.
51,709 tuit
·
939 channels
·
42 domains
·
Last update: Oct 26, 2026
Agriculture & Food
150
AI — Models & Research
4295
AI — News & Applications
2047
AI & Society
1102
Archaeology
135
Arts & Architecture
1428
Astronomy & Cosmology
3666
Biology
2095
Chemistry
336
Climate & Ecology
1014
Computing & Cybersecurity
4012
Control & Robotics
368
Earth Sciences & Geography
288
Economics & Finance
3583
Education
749
Energy
1411
Engineering & Technology
3215
Foresight & Science Fiction
344
Geopolitics & Defence
559
History
739
Hobbies & Practical
361
Language & Linguistics
312
Law & Justice
578
Literature & Writing
915
Mathematics
2272
Media & Information
295
Medicine & Health
3070
Neuroscience
427
Paleontology
96
Personal Development
943
Philosophy & Ethics
861
Physics
3443
Politics & Institutions
699
Psychology
607
Religion & Beliefs
253
Science — General & History
1770
Society & Culture
1112
Space Exploration
909
Sports
86
Transport & Mobility
167
Urban Planning & Mobility
91
Video Games
906
VSC
Advice on careers and achieving success
91
TRP
Aerospace and aviation technology
887
PBF
Algebra
259
PBMW
Algebraic geometry
154
PBPD
Algebraic topology
69
UMB
Algorithms and data structures
77
KNBT
Alternative and renewable energy industries
134
THV
Alternative and renewable energy sources and technology
167
MKJD
Alzheimer’s, dementia, Parkinson’s disease and other neurodegenerative diseases
66
QDHA
Ancient Greek and Roman philosophy
51
NHC
Ancient history
34
JBFU
Animals and society
23
TTB
Applied optics
40
NKDS
Archaeological sites
32
NK
Archaeology
43
NKD
Archaeology by period
29
AM
Architecture
32
UYQD
Artificial general intelligence (AGI)
49
UYQ
Artificial intelligence (AI)
2046
LNQH
Artificial intelligence law and regulations
22
VSPM
Assertiveness, motivation, self-esteem and positive mental attitude
373
TTDS
Astronautics
989
PGG
Astronomical observation: observatories, equipment and methods
114
PG
Astronomy, space and time
917
PHVB
Astrophysics
122
PHM
Atomic and molecular physics
74
MKJA
Autism Spectrum Disorder
20
TJFM
Automatic control engineering
71
TRC
Automotive technology and trades
21
TRPS
Aviation skills and piloting
22
KFFK
Banking
23
THYB
Battery technology
154
PBTB
Bayesian inference
31
PSB
Biochemistry
309
RNCB
Biodiversity
34
PSAD
Bioethics
37
DNBH
Biography: historical, political and military
82
DNBM
Biography: philosophy and social sciences
20
DNBR
Biography: royalty
26
DNBT
Biography: science, technology and medicine
63
DNBL
Biography: writers
39
PS
Biology, life sciences
27
MQW
Biomedical engineering
23
PHVN
Biophysics
27
TCB
Biotechnology
61
TNK
Building construction and materials
23
KJ
Business and Management
54
KJJ
Business and the environment; sustainable approaches to business
42
KJD
Business innovation
35
KJC
Business strategy
36
PBKA
Calculus
43
PBK
Calculus and mathematical analysis
62
MJD
Cardiovascular medicine
33
JNR
Careers guidance
35
PSAN1
Cellular and molecular neuroscience
21
PSF
Cellular biology (cytology)
124
JPQB
Central
55
PN
Chemistry
27
MJCL2
Chemotherapy
26
JMC
Child, developmental and lifespan psychology
26
AMVD
City and town planning: architectural aspects
30
NHWR3
Civil wars
21
PHD
Classical mechanics
196
RNPG
Climate change
219
RBPC
Climatology and climate modelling
35
MBGR1
Clinical trials
23
UTC
Cloud computing
25
GPJ
Coding theory and cryptology
41
JMR
Cognition and cognitive psychology
131
PSAN5
Cognitive and behavioural neuroscience
243
GTK
Cognitive studies
39
NHTW
Cold wars and proxy conflicts
20
PBV
Combinatorics and graph theory
53
GTC
Communication studies
34
TJK
Communications engineering
35
DSM
Comparative literature
23
LNCH
Competition law
28
PBKD
Complex analysis, complex variables
60
PSAX
Computational biology
95
KNTV
Computer and video game industry
210
UYF
Computer architecture and logic design
117
URH
Computer fraud and hacking
267
UDX
Computer games
628
UGG
Computer games design
236
UYM
Computer modelling and simulation
23
UT
Computer networking and communications
25
UY
Computer science
61
UR
Computer security
731
URJ
Computer viruses, Trojans and worms
29
UYQV
Computer vision
119
PHFC
Condensed matter physics (liquid state and solid state physics)
133
RNKH
Conservation of wildlife and habitats
22
JBGX
Conspiracy theories
52
LNDX
Constitution
32
JPZ
Corruption in politics, government and society
31
PGK
Cosmology and the universe
1038
CBV
Creative writing and creative writing guides
20
JKVF
Criminal investigation and detection
41
GPH
Data science and analysis
38
GTS
Decolonisation of knowledge
48
KCM
Development economics and emerging economies
66
GTP
Development studies
39
PSC
Developmental biology
39
MBNH3
Dietetics and nutrition
27
PBMP
Differential and Riemannian geometry
40
PBKJ
Differential calculus and equations
95
UBJ
Digital and information technologies: social and ethical aspects
1096
UB
Digital and Information technology: general topics
38
UXA
Digital Humanities
47
KCVM
Digital or internet economics
44
WNA
Dinosaurs and the prehistoric world: general interest
72
JPSD
Diplomacy
35
JBFM
Disability: social aspects
25
JBCT5
Disinformation and misinformation
72
KJDD
Disruptive innovation
20
ATFR
Documentary films
23
RNFD
Drought and water supply
24
PHDT
Dynamics and statics
81
QDHC
East Asian and Indian philosophy
29
PSAF
Ecological science, the Biosphere
39
KCX
Economic and financial crises and disasters
37
KCA
Economic theory and philosophy
35
KC
Economics
21
JN
Education
24
JNDH
Education: examinations and assessment
31
JNK
Educational administration and organization
21
JNV
Educational equipment and technology, computer-aided learning (CAL)
74
JNC
Educational psychology
27
JNF
Educational strategies and policy
26
JPHF
Elections and referenda
44
TRV
Electric vehicles
66
THR
Electrical engineering
63
KNBL
Electrical power generation and distribution industries
273
PHK
Electricity, electromagnetism and magnetism
270
TJFD
Electronic devices and materials
217
TJFC
Electronics: circuits and components
178
PHDB
Elementary mechanics
37
VSPQ
Emotions and emotional intelligence
23
MJG
Endocrinology
24
PHDY
Energy
26
LNCR
Energy and natural resources law
39
THYC
Energy efficiency
62
KNB
Energy industries and utilities
219
RNFY
Energy resources
54
THY
Energy, power generation, distribution and storage
370
TGMB
Engineering thermodynamics
25
TBC
Engineering: general
20
TGMF
Engineering: Mechanics of fluids
23
TGMD
Engineering: Mechanics of solids
24
UFL
Enterprise software
54
KJH
Entrepreneurship
142
KCVG
Environmental economics
104
MBNH2
Environmental factors
50
RND
Environmental policy and protocols
203
RNA
Environmentalist thought and ideology
80
MBNS
Epidemiology and Medical statistics
118
SXE
eSports
24
QDTQ
Ethics and moral philosophy
52
PSVP
Ethology and animal behaviour
35
PBMH
Euclidean geometry
43
NHD
European history
27
PSAJ
Evolution
169
PSXE
Evolutionary anthropology
91
UYQE
Expert systems
27
ATFG
Film guides and reviews
105
ATFA
Film history, theory or criticism
43
ATFN
Film: styles and genres
342
KFF
Finance and the finance industry
36
KFFF
Financial technology (fintech)
36
RNFF
Food security and supply
34
PBKF
Functional analysis and transforms
29
PGM
Galaxies and stars
330
UMK
Games development and programming
42
JBSF
Gender studies, gender groups
25
JBSF1
Gender studies: women and girls
94
MKZV
Gene therapy
39
GTZ
General studies and General knowledge
32
UYQF
Generative artificial intelligence
2332
TCBG
Genetic engineering
50
PSAK
Genetics (non-medical)
645
RBG
Geology, geomorphology and the lithosphere
28
PBM
Geometry
20
PHVG
Geophysics
38
JPSL
Geopolitics
308
THVG
Geothermal energy and power
35
PHDV
Gravity
33
KFFS
Green finance
57
PBG
Groups and group theory
104
MJF
Haematology
20
MBP
Health systems and services
37
JBFN
Health, illness or addiction: social aspects
24
VFMD
Health: Diets and nutrition
22
MJJ
Hepatology
40
JNM
Higher education, tertiary education
236
RBGF
Historical geology and palaeogeology
49
NHAH
Historiography
34
NH
History
40
AGA
History of art
40
UBB
History of Computing, digital and information technologies
49
TBX
History of engineering and technology
27
JBCC9
History of ideas
20
PBX
History of mathematics
32
NHQ
History of other geographical groupings and regions or specific cultures
25
PDX
History of science
157
KJZ
History of specific companies
28
NHK
History of the Americas
54
NHT
History: specific events and topics
26
JBFD
Housing and homelessness
21
PSX
Human biology
26
JPVH
Human rights, civil rights
42
THD
Hydrogen technologies
57
THVH
Hydropower
22
TTBM
Imaging systems and technology
26
MJCM
Immunology
97
PDR
Impact of science and technology on society
123
AMB
Individual architects and architectural firms
32
AGB
Individual artists, art monographs
34
ATFB
Individual film directors, film-makers
30
PDG
Industrial applications of scientific research and technological innovation
51
MJCJ
Infectious and contagious diseases
54
KNTX
Information technology industries
300
JWD
Information warfare
31
GTV
Institutions and learned societies: general
33
PBKL
Integral calculus and equations
26
KCL
International economics
20
JPSN
International institutions
25
JPS
International relations
24
KCLT
International trade and commerce
52
ATN
Internet and digital media: arts and performance
51
UBW
Internet: general works
40
JMHC
Interpersonal communication and skills
25
DNPB
Interviews
45
KFFM
Investment and securities
138
KJMV3
IT and information systems management
40
VSCB
Job hunting
20
KCF
Labour
90
PHJL
Laser physics
50
TTBL
Laser technology and holography
22
PSA
Life sciences: general issues
22
DSRC
Literary companions, book reviews and guides
33
DSBB
Literary studies: ancient, classical and medieval
23
DSK
Literary studies: fiction, novelists and prose writers
75
DSB
Literary studies: general
21
DSC
Literary studies: poetry and poets
50
DSA
Literary theory
29
UYQM
Machine learning
1166
KCB
Macroeconomics
23
KJMB
Management: leadership and motivation
60
PSPM
Marine biology
22
NHTM
Maritime history
33
TGM
Materials science
45
MKCM
Materno-foetal medicine
41
PHU
Mathematical
159
PBCD
Mathematical logic
114
PBWH
Mathematical modelling
53
UYA
Mathematical theory of computation
239
PB
Mathematics
163
MFKH3
Maturation and ageing
70
JBCT
Media studies
26
JBCT1
Media studies: internet, digital media and society
69
JBCT4
Media studies: journalism
87
MBPM
Medical administration and management
22
MBF
Medical and health informatics
61
MFN
Medical genetics
170
MKS
Medical imaging
21
MBGL
Medical laboratory testing and techniques
21
PHVD
Medical physics
20
MBGR
Medical research
60
MB
Medicine
23
RBPM
Meteorology
33
PSG
Microbiology (non-medical)
59
JBFH
Migration, immigration and emigration
31
JWK
Military and defence strategy
42
NHWR9
Military history: post-WW2 conflicts
20
UMS
Mobile and handheld device programming
23
UDT
Mobile phones and smartphones: consumer
31
PSD
Molecular biology
174
KCBM
Monetary economics
78
GLZ
Museology and heritage studies
49
TBN
Nanotechnology
26
UYX
Natural computing
891
RNR
Natural disasters
26
UYQL
Natural language and machine translation
151
WN
Nature and the natural world: general interest
47
UTN
Network security
61
UTP
Networking standards and protocols
26
UYQN
Neural networks and fuzzy systems
440
MKJ
Neurology and clinical neurophysiology
56
PSAN
Neurosciences
119
KNTP2
News media and journalism
23
PNRL
Nuclear chemistry, photochemistry and radiation
26
RNQ
Nuclear issues
30
MKR
Nuclear medicine
66
PHN
Nuclear physics
112
THK
Nuclear power and engineering
202
PBH
Number theory
189
PBKS
Numerical analysis
41
MQC
Nursing
21
MQCA
Nursing fundamentals and skills
38
RBKC
Oceanography (seas and oceans)
51
MJCL
Oncology
130
KJSG
Online marketing
27
PHJ
Optical physics
163
PBU
Optimization
32
TTMW
Ordnance, weapons technology
21
PNN
Organic chemistry
65
RBX
Palaeontology
96
MKB
Palliative medicine
35
UYFP
Parallel processing
27
PHP
Particle and high-energy physics
139
GTU
Peace studies and conflict resolution
40
MBNH
Personal and public health
22
VSB
Personal finance
50
KJMV2
Personnel and human resources management
34
KNBP
Petroleum, oil and gas industries
93
MKG
Pharmacology
67
QD
Philosophy
47
JNA
Philosophy and theory of education
36
PBB
Philosophy of mathematics
32
QDTM
Philosophy of mind
79
PDA
Philosophy of science
153
QDTK
Philosophy: epistemology and theory of knowledge
126
QDTL
Philosophy: logic
47
QDTJ
Philosophy: metaphysics and ontology
42
PNR
Physical chemistry
69
PH
Physics
189
PHDF
Physics: Fluid mechanics
52
JMM
Physiological psychology, neuropsychology, biopsychology
25
MFG
Physiology
52
PSTB
Plant biology
30
PHFP
Plasma physics
34
KCP
Political economy
120
WHB
Political humour
20
JPHL
Political leaders and leadership
43
JPA
Political science and theory
29
JPH
Political structure and processes
22
JPHV
Political structures
45
JP
Politics and government
66
RNP
Pollution and threats to the environment
36
PDZM
Popular and recreational mathematics
89
WNX
Popular astronomy and space
803
VFD
Popular medicine and health
22
QDXB
Popular philosophy: Meaning of life
26
VSP
Popular psychology
216
PDZ
Popular science
437
JBFC
Poverty and precarity
20
JPWG
Pressure groups, protest movements and non-violent action
31
URD
Privacy and data protection
36
PBT
Probability and statistics
248
TDCX
Process engineering technology and techniques
21
TGP
Production and industrial engineering
41
UMX
Programming and scripting languages: general
108
UMA
Programming techniques
36
JMAF
Psychoanalytical and Freudian psychology
23
JMA
Psychological theory, systems, schools and viewpoints
26
JM
Psychology
70
JMQ
Psychology: emotions
27
JMT
Psychology: states of consciousness
36
JMS
Psychology: the self, ego, identity, personality
23
MKGW
Psychopharmacology
39
JPP
Public administration
38
KFFD
Public finance and taxation
47
MBN
Public health and preventive medicine
72
GPSD
Quantitative research methods
20
PHQ
Quantum physics (quantum mechanics and quantum field theory)
952
JBFA1
Racism and racial discrimination
30
PBKB
Real analysis, real variables
41
MFGG
Regional physiology
25
PHR
Relativity physics
330
QRAM2
Religion and politics
23
QRAM3
Religion and science
27
DNP
Reportage, journalism or collected columns
71
GPS
Research methods
99
NHTV
Revolutions, uprisings, rebellions
22
TJFM1
Robotics
297
KJS
Sales and marketing
42
KJMV7
Sales and marketing management
44
UFLS
SAP (Systems, applications and products in databases)
24
FLU
Science fiction: aliens
77
FLW
Science fiction: space exploration
200
FLS
Science fiction: space opera
35
PDK
Science funding and policy
70
PD
Science: general issues
57
PDM
Scientific research
55
NHWR7
Second World War
51
VS
Self-help, personal development and practical advice
29
CFG
Semantics, discourse analysis, stylistics
33
GTD
Semiotics
64
PSAN4
Sensory and motor systems
22
PBCH
Set theory
20
TJKH
Signal processing
35
NHTS
Slavery, enslaved persons and abolition of slavery
28
JHMC
Social and cultural anthropology
22
NHTB
Social and cultural history
73
JBF
Social and ethical issues
34
QDTS
Social and political philosophy
83
JBFX
Social attitudes
20
JBFZ
Social forecasting, future studies
34
RNT
Social impact of environmental issues
45
JMH
Social, group or collective psychology
72
CFB
Sociolinguistics
38
UMZ
Software Engineering
75
UMZT
Software testing and verification
29
THVS
Solar power
193
PGS
Solar system: the Sun and planets
330
TTDX
Space exploration
543
TTD
Space science
278
CBP
Speaking in public: advice and guides
23
DNS
Speeches
42
PHS
Statistical physics
55
PBWL
Stochastics
43
RNU
Sustainability
56
TVF
Sustainable agriculture
22
JNU
Teaching of a specific subject
30
ATJ
Television
41
ATJS
Television: styles and genres
20
ATD
Theatre studies
26
PGC
Theoretical and mathematical astronomy
75
AMA
Theory of architecture
25
ABA
Theory of art
49
AVA
Theory of music and musicology
21
PHH
Thermodynamics and heat
34
PGZ
Time (chronology), time systems and standards
47
PBP
Topology
31
RPT
Transport planning and policy
21
RPC
Urban and municipal planning and policy
62
MBNK
Vaccination
31
RBC
Volcanology and seismology
36
PHDS
Wave mechanics (vibration and acoustics)
43
UGB
Web graphics and design
24
UMW
Web programming
74
THVW
Wind power
28
CBW
Writing and editing guides
27
PSV
Zoology and animal sciences
22
What's Hidden Under Antarctica?
★
★
★
★
★
5/5
Une planète en diamant ? La vérité sur les exoplanètes
A Diamond Planet? The Truth About Exoplanets
★
★
★
★
☆
4/5
Under pressure: Scleroderma Renal Crisis
★
★
★
★
☆
4/5
They Hide These Economic Words From You—Here's Why
★
★
★
★
☆
4/5
Statistics Chapter 5 Ep. Foundations of Inference
★
★
★
★
☆
4/5
Statistics Chapter 1 Ep. Why Statistics Matters
★
★
★
★
☆
4/5
Statistics Chapter 1 Ep. Why Statistics Matters
★
★
★
★
☆
4/5
STARSHIP V3 : Le nouveau plan de la NASA qui va TOUT changer ! - Le Journal de la Starbase #361
STARSHIP V3: NASA's new plan that will change EVERYTHING! - The Starbase Journal #361
★
★
★
★
☆
4/5
Severe Cutaneous Adverse Reactions - SCARS
★
★
★
★
☆
4/5
Screening of "the big 5"
★
★
★
☆
☆
3/5
Research Methods Chapter 5 Ep.
★
★
★
★
☆
4/5
Research Methods Chapter 4 Ep.
★
★
★
★
☆
4/5
Pokemon Go, Tesla, Duolingo vous ont fait travailler GRATUITEMENT pour entrainer leurs IA - Enquête
Pokemon Go, Tesla, Duolingo made you work for FREE to train their AIs - Investigation
★
★
★
★
☆
4/5
PLAYSTATION 6 ⚠️ SONY PARLE d'un PROBLÈME avec les PS5 et la future PS6 ⚠️
PLAYSTATION 6 ⚠️ SONY IS TALKING ABOUT A PROBLEM with the PS5 and the upcoming PS6 ⚠️
★
★
★
★
☆
4/5
OpenAI vient de lancer la plus grosse mise à jour de son IA vocale
OpenAI just launched the biggest update to its voice AI
★
★
★
☆
☆
3/5
Nomadic Aliens – Cultures That Wander the Galaxy
★
★
★
★
★
5/5
Myeloma - Best Care in 2026
★
★
★
★
☆
4/5
Motorola : le plus grand comeback de l'histoire
Motorola: The greatest comeback in history
★
★
★
★
☆
4/5
MLT| end term| revision session - 2
★
★
★
☆
☆
3/5
Mit dieser Technik 91 % Autarkie?! Solaranlage mit Mikrowechselrichtern (Kosten, Ertrag, Autarkie)
91% Self-Sufficiency With This Tech?! Solar System With Microinverters (Costs, Yield, Autarky)
★
★
★
★
☆
4/5
Le Soleil n'a JAMAIS brûlé | Le paradoxe de 5 milliards d'années
The Sun has NEVER burned | The 5 billion year paradox
★
★
★
★
☆
4/5
Las estrategias de control narrativo borgiano: Metaficción e intertextualidad
Borges's narrative control strategies: Metafiction and intertextuality
★
★
★
★
☆
4/5
La enseñanza experimental de la física y el uso de nuevas tecnologías (Gerardo Ruiz Chavarría)
Experimental Physics Teaching and the Use of New Technologies (Gerardo Ruiz Chavarría)
★
★
★
★
☆
4/5
Is Russia’s war machine running out of steam?
★
★
★
★
☆
4/5
Interconexión de Energías Renovables en Centroamérica: Estudios de Cumplimiento de Código de Red
Renewable Energy Interconnection in Central America: Grid Code Compliance Studies
★
★
★
★
☆
4/5