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HANDSCHOENEN LOGICA Om te kunnen bepalen hoe warm handschoenen zijn, dien je rekening te houden met het fenomeen 'windchill'. Als het weerbericht zegt dat het -2°C is en je fiets 20 km per uur, dan wordt de werkelijke temperatuur op je handen -12°C. Welke handschoenen moet ik dan kiezen? Het meest logische is waar. Dikke handschoenen of wanten zijn warmer dan dunne. Ook al barst het van de hi-tech materialen. Er bestaan gewoon geen dunne en toch warme handschoenen. Elegantie en warme handen gaan dus moeilijk samen. Zijn wanten warmer dan handschoenen? In theorie zijn wanten warmer. Als je tenminste geen appels en peren gaat vergelijken. Wanten met een slechte kwaliteit vulling en een niet wind en waterdichte buitenstof zijn minder warm dan goede kwaliteit handschoenen die wel wind en waterdicht zijn. Vergelijk je dezelfde kwaliteit dan zijn wanten warmer. Er zit immers meer stilstaande lucht om de vingers. Kan ik met thermo-handschoentjes het probleem van koude handen in mijn bestaande handschoenen oplossen? Thermo-handschoentjes helpen wel iets omdat je een laagje toevoegt. Ook houden ze je handen vrij van transpiratie. Dat scheelt ook nog eens. De bestaande handschoenen moeten dan wel weer wind en waterdicht zijn. In slechte kwaliteit handschoenen heeft het weinig effect. Ik heb alles al geprobeerd en ik heb nog steeds koude handen? Dat heeft te maken met de doorbloeding. Het lichaam geeft de organen voorrang op de ledematen. Dat betekent dat wanneer je een te dunne jas aanhebt, je lichaam extra bloed naar je organen pompt om warm te blijven. Je handen en voeten krijgen dan minder bloed waardoor ze koud worden. Ook het hoofd speelt een belangrijke rol. Je hoofd bevat zeer veel aders waardoor je lichaam snel af kan koelen. Een muts opzetten werkt dus ook tegen koude handen. Handschoenen kunnen handen warm houden maar niet opwarmen. Tenzij je natuurlijk warmte toevoegt. Dat kan met een handwarmer.Shipping Notes
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4.1 ★★★★★
Based on 30 reviews
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★★★★★ 5
Five Stars
Format: Paperback
great
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Reviewed in the United States on September 18, 2016
★★★★★ 5
go o o o o
Format: Paperback
go o o o o d
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Reviewed in the United States on October 21, 2014
★★★★★ 1
One Star
Format: Paperback
Exactly the same as the free PDF I downloaded online for my student, only this costs $26 plus tax.
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Reviewed in the United States on April 3, 2017
★★★★★ 5
Solid primer well worth the cost.
Format: Kindle
Let's start with the understanding that I was not looking for War and Peace, here. I have always enjoyed the Sam's Teach Yourself in X Hours format, and this is another that gets the balance between what is needed to use the tool well and what is too much information for a beginner right. I was looking for something that could introduce me to this engine, giving enough understanding of the system to allow me to make games with normal use of the internet to get into the fine detail.
This book is exactly what I was looking for. It introduces the engine and its main components and the general theory behind them, getting you up and running quickly. While the engine seems to be gathering a following, there is not a lot of material out there for it. This book covers the topics well enough to get functionally proficient without getting so far into the weeds that you would not finish it.
The lessons are broken up in a way that makes sense, and there are full game exercises. I really liked the fact that the exercises follow the theory, so you are not simply walking through a bunch of actions that you do not understand, as happens in many "learn by making a game" tutorials.
The writing and editing leave some to be desired, but did not get in the way of understanding.
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Reviewed in the United States on May 30, 2018
★★★★★ 5
Simple and Amazing! A Great Introduction to Godot For Aspiring Game Developers
Format: Kindle
Godot Engine Game Development in 24 Hours is a fine introduction to the Godot game engine, and quite an extensive look at the software. The book is 432 pages, and there is a wealth of information contained here. I’ve just started working with Godot myself, so much of the material was new, but it was explained clearly so anyone can understand. If you are interested in exploring Godot, this would be a excellent buy on your journey.
If you are familiar with the Sams 24 hour books, they basically have 24 chapters each focused on a different aspect of the topic. The chapters are not long, and certainly would not take a hour to read each, but it’s good marketing I guess. In any case, I did enjoy that a range of areas were covered.
So what’s in the book? We get a look at the scene system, 2D graphics, scripting, a few game demos like a space shooter (2D) and Bloxorz clone (3D), and a networked Bomberman clone (2D). Scripting, input, physics, user interface, project management, materials and shaders, light and shadow, environments, sound, particles, networking, and a bonus 25th chapters about using native code. Yeah, quite a survey for 400 pages.
I felt like the authors expect some basic understanding of programming, but otherwise you do not have to be an experienced game developer to get value out of the book. Everything is explained simply and I did not notice any glaring errors. I really enjoyed that there were some simple game demos included, so readers could get a better idea of what a more complex project would look like. It also didn’t hurt that one of the authors co-created the engine, so I bet he knows what he’s talking about.
All in all, a great book. As I said, I am just starting with Godot and this is the first book I have read on it. Seems like an awesome introduction and much more palatable than reading the documentation (though I will note that the Godot docs are high quality, it just can be daunting). So I can fully recommend this book to anyone interested.
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Reviewed in the United States on December 9, 2019