For 35+ years WHTV & Video has been on the cutting edge of the Sales, Service & Repair of Established Audio-Visual Technologies. New Tech, Here We Come!!
470 Green Street, London, E13
Joined August 2013
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WHTVandVIDEO retweeted
Machine learning isn’t just about training models - it’s about choosing the right model for the right task.
Understanding how different ML models work can make all the difference in solving real-world problems efficiently.
Here’s a breakdown of 10 essential ML models every data scientist should know:
1. Linear Regression – Predicts continuous values using a straight-line equation.
2. Logistic Regression – Used for binary classification tasks like spam detection and fraud analysis.
3. Decision Trees – Splits data into branches for interpretable decision-making.
4. Random Forest – An ensemble of decision trees that improves accuracy and reduces overfitting.
5. Support Vector Machines (SVM) – Finds the best boundary to separate different classes in high-dimensional data.
6. K-Nearest Neighbors (KNN) – Classifies data points based on the majority class of nearest neighbors.
7. Naïve Bayes – A probabilistic classification model based on Bayes' theorem.
8. K-Means Clustering – Groups similar data points into clusters without predefined labels.
9. Principal Component Analysis (PCA) – Reduces data dimensions while preserving important patterns.
10. Neural Networks (Deep Learning) – Mimics the human brain for tasks like image recognition and NLP.
Mastering these models helps in building scalable, accurate, and efficient AI solutions.
Save this post for quick reference.
Share it with someone getting started with machine learning.
Which ML model do you use the most? Let’s discuss in the comments.
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WHTVandVIDEO retweeted
Our Earth Atmosphere 🌐🌏
50 websites that make you feel like you have access to the entire planet in real time. 🌍
Most people will never know these exist.👇
1. ventusky.com — Weather, precipitation, and wave map
2. earth.nullschool.net — Global wind and ocean currents
3. worldview.earthdata.nasa.gov — Daily satellite image of the world
4. firms.modaps.eosdis.nasa.gov — Viewing fires on Earth's surface from satellites
5. volcanodiscovery.com — Real-time monitoring of volcanic activity
6. aurora-service.eu — Northern lights forecast
7. heavens-above.com — Satellite and station pass times
8. theskylive.com — Current positions of the planets
9. adsbexchange.com — Unfiltered flight tracking
10. ocearch.org — Tracking sharks in the ocean
11. climatereanalyzer.org — Real-time global temperature deviation
12. nhc.noaa.gov — Official hurricane tracking center
13. tropicaltidbits.com — Viewing storm models side by side
14. fire.airnow.gov — Wildfire smoke spread map
15. aqicn.org — Real-time air pollution in cities
16. waqi.info — Global air quality measurements
17. sentinel-hub.com — Examining satellite images yourself
18. nsidc.org — Real-time status of polar ice caps
19. sealevel.nasa.gov — Sea level change data
20. tidesandcurrents.noaa.gov — Tide and water level measurements
21. waterdata.usgs.gov — Real-time river flow rates
22. droughtmonitor.unl.edu — Drought spread map
23. emsc-csem.org — European earthquake monitoring center
24. seismicportal.eu — Seismic data stream
25. raspberryshake.net — Live listening to seismometers around the world
26. volcano.si.edu — Active volcano database
27. tsunami.gov — Tsunami warning center
28. spaceweather.com — Solar storms and magnetic effects
29. swpc.noaa.gov — Official space weather
30. spotthestation.nasa.gov — Station pass over you
31. n2yo.com — Live tracking of satellites in orbit
32. solarsystemscope.com — Live simulation of the solar system
33. cneos.jpl.nasa.gov — Celestial bodies approaching Earth
34. fireball.amsmeteors.org — Meteor fall reports
35. lightpollutionmap.info — Dark areas where you can see stars
36. suncalc.org — The sun's path during the day
37. opensky-network.org — Open air traffic data
38. globalfishingwatch.org — Tracking fishing fleets around the world
39. openrailwaymap.org — The world's railway network
40. electricitymaps.com — Real-time electricity supply by country
41. energy-charts.info — European energy production data
42. gridwatch.co.uk — Live load on the electrical grid
43. netblocks.org — Internet outages by country
44. radar.cloudflare.com → Real-time state of internet traffic
45. websdr.org — Listening to radio receivers around the world
46. birdcast.info — Tracking bird migration on radar
47. ebird.org — Real-time bird observation map
48. movebank.org — Animal migration route data
49. inaturalist.org — Live observations around the world
50. gbif.org — Global biodiversity database
Save this. You’ll definitely need some of these later. 🔖
Follow @wiliam23820a for more useful websites, AI tools & tech resources.
WHTVandVIDEO retweeted
Asking for help is a sign of bravery, not weakness 💙
Our free, confidential helpline is here for everyone working in education across the UK.
We exist to support you 📱 08000 562 561
📸 SelfCareSpotlight
#Wellbeing #Teachers #MentalHealthMatters
WHTVandVIDEO retweeted
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Follow @Romeocoder11 for more AI & tech content.
WHTVandVIDEO retweeted
From @0xDeliriumm … LLMs Explained — From Tokens to Intelligent Behavior — They Optimize and The Math Behind It
WHTVandVIDEO retweeted
𝗠𝗼𝘀𝘁 𝗽𝗲𝗼𝗽𝗹𝗲 𝘁𝗵𝗶𝗻𝗸 𝗔𝗜 = 𝗖𝗵𝗮𝘁𝗚𝗣𝗧.
Not even close.
ChatGPT is what you see.
The real AI revolution is the massive ecosystem being built underneath it.
This AI Stack Map captures 100+ tools powering modern AI applications.
𝗧𝗵𝗲 𝗺𝗼𝗱𝗲𝗿𝗻 𝗔𝗜 𝘀𝘁𝗮𝗰𝗸 𝗹𝗼𝗼𝗸𝘀 𝘀𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗹𝗶𝗸𝗲 𝘁𝗵𝗶𝘀:
LLMs → OpenAI, Claude, Gemini, Llama, Mistral
Agentic AI → LangGraph, CrewAI, AutoGen, CAMEL, Agno
RAG → LangChain, LlamaIndex, Haystack, GraphRAG
Embeddings → OpenAI, Voyage, Cohere, BGE
MCP → Connecting models with tools, data and systems
AI Security → Guardrails, Presidio, Lakera, Prompt Security
Observability & Evals → LangSmith, Langfuse, Phoenix, Ragas
Memory → Redis, Mem0, Zep, Neo4j, Chroma
Agent Frameworks → OpenAI SDK, Semantic Kernel, Google ADK, Bedrock
Automation → n8n, Zapier, Make, Airflow, Prefect
Vector Databases → Pinecone, Weaviate, Qdrant, Milvus, pgvector
But here’s the part that matters more than the logos.
𝗧𝗵𝗶𝘀 𝗶𝘀 𝗻𝗼𝘁 𝗮 𝘀𝗵𝗼𝗽𝗽𝗶𝗻𝗴 𝗹𝗶𝘀𝘁.
It’s a dependency graph.
Your RAG is only as good as your retrieval + embeddings.
Your agent is only as reliable as its tools + evaluations + guardrails.
Your memory is useless if you can’t observe when context becomes stale or wrong.
Your MCP layer becomes dangerous if permissions and governance are an afterthought.
And a “best-in-class” stack can still become a terrible production system.
Why?
Because AI systems rarely fail only inside one component.
𝗧𝗵𝗲𝘆 𝗳𝗮𝗶𝗹 𝗮𝘁 𝘁𝗵𝗲 𝗵𝗮𝗻𝗱𝗼𝗳𝗳𝘀.
Model → Retrieval
Retrieval → Context
Context → Agent
Agent → Tool
Tool → Memory
Memory → Evaluation
That’s where latency compounds, context gets lost, permissions leak, hallucinations propagate and reliability starts falling apart.
𝗧𝗵𝗲 𝗿𝗲𝗮𝗹 𝗺𝗼𝗮𝘁 𝗶𝘀𝗻’𝘁 𝗵𝗮𝘃𝗶𝗻𝗴 𝗺𝗼𝗿𝗲 𝗔𝗜 𝘁𝗼𝗼𝗹𝘀.
It’s designing how they work together.
A stack map tells you 𝗪𝗛𝗔𝗧 exists.
Production engineering decides 𝗛𝗢𝗪 it all survives contact with reality.
Which tool in your AI stack has become indispensable?
Save this map for your next AI build.
Repost it for someone designing an AI architecture.
#AI #ArtificialIntelligence #GenAI
WHTVandVIDEO retweeted
Teachers who experience severe pupil behaviour are more likely to report suffering migraines, nausea and high blood pressure, survey reveals
tes.com/magazine/news/genera…
WHTVandVIDEO retweeted
50 completely new websites that can turn a quick visit into hours of exploring Earth 🌍👇
1. accessmars.withgoogle.com — Explore Mars in 3D
2. dinosaurpictures.org/ancient… — Where your city was millions of years ago
3. chronozoom.com — Timeline from Big Bang to now
4. hereistoday.com — Feel the true scale of time
5. stars.chromeexperiments.com — Fly through 100,000 stars
6. radiooooo.com — Music by any country + decade
7. musicmap.info — Explore the map of music genres
8. driveandlisten.herokuapp.com — Drive through cities with local radio
9. zoomquilt.org — Infinite zooming artwork
10. weavesilk.com — Create silk-like digital art
11. mynoise.net — Powerful ambient sound generator
12. asoftmurmur.com — Mix your own soundscapes
13. patatap.com — Make music by pressing keys
14. pointerpointer.com — People pointing at your cursor
15. hackertyper.net — Fake hacker terminal
16. findtheinvisiblecow.com — Find the invisible cow
17. koalastothemax.com — Zoom into koalas forever
18. s2maps.eu — Ultra high-res satellite imagery
19. apps.sentinel-hub.com/eo-bro… — Free Earth observation tool
20. n2yo.com — Live satellite & ISS tracker
21. spaceweather.com — Real-time space weather
22. solarham.net — Solar data & aurora forecasts
23. wikiarchives.space — Huge free space photo archive
24. oculi-mundi.com — Ancient maps, atlases & globes
25. castlemap.com — Interactive map of 2400+ castles
26. omnesviae.org — Ancient Roman roads planner
27. arcanum.com/en/maps — Historical maps collection
28. futuretimeline.net — Possible future timelines
29. earth2050.earth — Visual predictions of Earth 2050
30. worldpopulationhistory.org — Interactive population history
31. timelineofhistory.com — Interactive history timeline
32. 100000stars.net — Deep interactive star map
33. sky-map.org — Online sky atlas
34. astroviewer.net — ISS & satellite passes
35. stuffin.space — 3D objects in Earth orbit
36. satellite-map.space — Live satellite positions
37. spectator.earth — Track Earth-imaging satellites
38. lofi.cafe — Cozy lofi spaces
39. citylines.co — Historical transit maps
40. wikimapia.org — Collaborative annotated world map
41. geoguessr.com Drop into random places
42. randomstreetview.com — Pure random Street View
43. scribblemaps.com — Create & explore custom maps
44. kepler.gl/demo — Geospatial data explorer
45. livingatlas.arcgis.com — Interactive global maps
46. climateexplorer.app — Climate & weather data tools
47. floodmap.net — Sea level rise explorer
48. ancientearth.com — Ancient Earth viewer
49. shouldseethis.com — Fresh curated cool websites
50. chronozoom.com — Deep timeline experience
The internet still has so many hidden corners.
🔖 Bookmark this for later.
Follow for more rare finds. 🚀
@The_techAI
WHTVandVIDEO retweeted
50 legendary websites that feel like the internet’s hidden toolbox 🧰
1. unpaywall.org — free research papers
2. sci-hub.se — papers when unpaywall misses
3. openlibrary.org — borrow books
4. gutenberg.org — 70k+ free books
5. coursera.org — audit university courses free
6. wolframalpha.com — step-by-step math
7. remove.bg — background removal
8. cleanup.pictures — object removal
9. tinywow.com — quick file tools
10. ilovepdf.com — PDF merge/split
11. photopea.com — free Photoshop alternative
12. squoosh.app — image compression
13. excalidraw.com — fast diagrams
14. carbon.now.sh — beautiful code screenshots
15. regex101.com — test regex
16. jsonformatter.org — clean JSON
17. explainshell.com — terminal commands explained
18. alternativeto.net — software alternatives
19. haveibeenpwned.com — breach check
20. 10minutemail.com — temp email
21. privnote.com — self-destruct notes
22. radio.garden — live global radio
23. endel.io — focus sound
24. mynoise.net — custom ambient
25. justwatch.com — where to stream
26. archive.org — digital library
27. web.archive.org — old web pages
28. similarweb.com — site traffic
29. downtimerobot — uptime check
30. pagespeed.web.dev — speed test
31. tinypng.com — compress images
32. cloudconvert.com — file conversion
33. diffchecker.com — compare text
34. temp-mail.org — disposable inbox
35. obfuscator.io — JS obfuscate
36. keybr.com — typing practice
37. monkeytype.com — typing test
38. ankiweb.net — spaced repetition
39. notion.so — all-in-one notes
40. obsidian.md — local knowledge base
41. raindrop.io — bookmark manager
42. todoist.com — task list
43. trello.com — boards
44. miro.com — whiteboard
45. figma.com — design
46. canva.com — quick graphics
47. remove.bg — again because it's that good
48. yt-dlp — video download (open source)
49. handbrake.fr — video compress
50. localsend.org — local file transfer
Save this. You’ll definitely need some of these later. 🔖
Follow @The_techAI for more useful websites, AI tools & tech resources.
WHTVandVIDEO retweeted
The University of Greater Manchester is using @Meltio3D Wire-Laser DED technology at its Centre for Advanced Manufacturing - supporting research, teaching and industry projects across motorsport and beyond.
👉 Read the full case study: hubs.ly/Q04zqsZP0
WHTVandVIDEO retweeted
Where could 3D printing skills take students?
@Ultimaker’s Bioactivx story shows additive manufacturing in wound care – a great example of STEM, design and engineering in the real world.
Discover more 👇
hubs.ly/Q04yYyHL0
#UltiMaker #3DPrinting #STEM
