So we got a huge WordPress update for Christmas!!! Aaand… not everybody is positively excited, or so the blogs speak. Many old web sites are likely to have issues, custom and proprietary themes are going to have to be adjusted and, most importantly, it will make the old developers andCheck it out –>

OK, no, so mycytadel.com.hr did in fact not go multisite today because I found out that converting a site older than 24 hours to Multisite makes mandatory the use of subdomains for network sites, and mycytadel.com.hr is a rather clunky domain to build subdomains on… but I am getting aheadCheck it out –>

The summer’s out and the fresh air in the mountains embedded some fresh ideas into the thick head of yours truly. One of them was that this site needed a new look, so – here it is. I have changed to the excellent Magazine Hoot theme from the… also veryCheck it out –>

The goal of this new editor is to make adding rich content to WordPress simple and enjoyable. This whole post is composed of pieces of content—somewhat similar to LEGO bricks—that you can move around and interact with. Move your cursor around and you’ll notice the different blocks light up withCheck it out –>

About those elementary particles. Quarks =>elementary particles What are subatomic particles? What are quarks Standard model of elementary particles Gluon – the stuff that keeps the stuff together https://en.wikipedia.org/wiki/Color_charge     “Strong force” or “Color Force”   What are gluons And how the empty space is not empty   WhatCheck it out –>

A few videos to make the quantum reality perfectly unclear. Quantum theory made easy pt 2 – the duality of matter What does an atom really look like?    Check it out –>

How do planets move and other basic stuff in moving pictures. Earth’s motion around the sun Why do planets orbit???? How do tides work Size comparison of the universe https://www.youtube.com/watch?v=LbbUo3q6LRE 10 crazy planetsCheck it out –>

Various power sources, how they work and how they create electricity Chemical sources How does a battery work AND why aren’t all batteries rechargeable??? Wireless inductive charging Tesla battery A bit of deeper chemistry for the curious Light / solar sources How does a solar cell work Thermoelectric sources HowCheck it out –>

The Universe – Time Travel (S5x04) https://www.youtube.com/watch?v=_bC3ibXq2B8 The Universe – Microscopic Universe (S7x05) quantum physics, strangeness of atomic and sub-atomic scale etc https://www.youtube.com/watch?v=HqpH3mH2pTw The Universe – Light Speed (S3x03) https://www.youtube.com/watch?v=_9Y5sfwXn_M There’s more of these – look for them on youtube!  Check it out –>

Engines: Central Processing Unit Of A Vehicle – History Documentary Films https://www.youtube.com/watch?v=XbCeJR_1kUw The Engine That Powers the World – Diesel Engine Documentary The History of Jet Engines documentary https://www.youtube.com/watch?v=PrVwDvq9Rw4 Speed Machines – Breaking The Sound Barrier (Engineering Documentary) | Spark https://www.youtube.com/watch?v=jloeTnGxi8E    Check it out –>

The Conquest of Cold (A History of Thermodynamics) Part 1 Order And Disorder 1of2 Energy – Watch Documentary (BBC Four) Entropy, Order and Disorder Energy – Thermodynamics DOCUMENTARY https://www.youtube.com/watch?v=QUeHD_tLHQs  Check it out –>

The True Nature Of Light and Energy – Space Science Documentary https://www.youtube.com/watch?v=GKxIpDnxIoA& Limits of Light – The Secrets of Nature Light speed – Universe & Space Documentary HD https://www.youtube.com/watch?v=h7XBuPfo9EsCheck it out –>

National Geographic | Gravity – Documentary HD https://www.youtube.com/watch?v=2yipPzlrt5U The Force of Gravity | What is Gravity – Documentary HD – Neil DeGrasse Tyson Doc Quantum Gravity Documentary Gravity : How Does Gravity Works – Science Documentary https://www.youtube.com/watch?v=hAu7_NrqUQcCheck it out –>

Fancy shoes, awesome formulas, and how it was all… wrong. …And again, for good measure The Photoelectric Effect (and how it works) The Photoelectric Effect (and how it works) The Photoelectric Effect model http://iwant2study.org/lookangejss/06QuantumPhysics/ejss_model_photoelectriceffectwee3/photoelectriceffectwee3_Simulation.xhtml   Wave particle duality   How it’s all… wrongly PUTCheck it out –>

Heat engines and second law of thermodynamics Carnot cycle Carnot cycle Demo http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/carnot.htm Four Stroke Engine Gasoline vs Diesel Engine configurations V6 vs Straight 6 Piston vs Rotary 2-stroke engine Striling engine JET ENGINEEEEEEES…!!!!! How a steam turbine work Heat Cycles – Kružni procesi https://www.fsb.unizg.hr/termovel/Kruzni_proces7.pdfCheck it out –>

Nikola Tesla vs Thomas Edison AC generator Difference between AC and DC generators Difference between AC and DC comutators:Check it out –>

How Newton was… all wrong, really. Wrong. GRAVITY EXPLAINED | Universe documentary | Simulated reality documentaries Gravitational waves detected 2017 The Absurdity of Detecting Gravitational Waves Goats don’t even gravity.Check it out –>

https://stackoverflow.com/questions/8924173/how-do-i-print-bold-text-in-python If that doesn’t work, follow other links in the following querry: https://www.google.hr/search?q=How+to+bold+letters+in+python+console&oq=How+to+bold+letters+in+python+console&aqs=chrome..69i57.7312j0j7&sourceid=chrome&ie=UTF-8Check it out –>

*not really free as in freedom, but free as in “no charge” Free Microsoft Office for high school students Instructions: https://office365.skole.hr/default/pristup#u2 Access: https://www.office.com/ Log in with your CARNet username and password. You can use it online, or install to your computer. Freebies from CARNet Did you know you get access toCheck it out –>

All about lenses – A Quick Course Convex lenses – Ray diagrams How a telescope works Photographic lenses the beginning of this video explains how focal length relates to field of view. The rest… is for those who love photography. Keep exploring! How an eye works – simplified How anCheck it out –>

Elusive fish   Refraction vs Reflection (2:60 for total reflection) So how does a periscope work? There’s another way, tho! Laser and optical prism fun The Easy Rider  Light fantastic (6.05.2018 ROGER WATERS, ARENA ZAGREB!) Snell’s law The Lord of the Light No Photoshop? No problem! (Prisms as photographic effectCheck it out –>

Position / velocity / acceleration explained – a quick recap How fast is fast – speed of land animals   ThrustSSC – the fastest land machine at the moment – 1223.657 km/h     Acceleration – 0-400 km/h in 42 seconds – Bugatti Chiron   Speed of sound (340.29 m /Check it out –>

Vector addition, specially applied to calculation of forces on an object (body) has a vast application in practice. Every human made structure – be it a building, a telegraph pole, a locker or a table – needs to be calculated and the forces that are applied to that structure observedCheck it out –>