diff --git a/app/assets/images/slides/grillrb/finland.jpg b/app/assets/images/slides/grillrb/finland.jpg
new file mode 100644
index 0000000..f9a4363
Binary files /dev/null and b/app/assets/images/slides/grillrb/finland.jpg differ
diff --git a/app/assets/images/slides/grillrb/heart.png b/app/assets/images/slides/grillrb/heart.png
new file mode 100644
index 0000000..d729340
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diff --git a/app/assets/images/slides/grillrb/raisa.jpg b/app/assets/images/slides/grillrb/raisa.jpg
new file mode 100644
index 0000000..b8b01e1
Binary files /dev/null and b/app/assets/images/slides/grillrb/raisa.jpg differ
diff --git a/app/assets/images/slides/grillrb/ruby.png b/app/assets/images/slides/grillrb/ruby.png
new file mode 100644
index 0000000..8ae49bb
Binary files /dev/null and b/app/assets/images/slides/grillrb/ruby.png differ
diff --git a/app/assets/images/slides/grillrb/villataika.jpg b/app/assets/images/slides/grillrb/villataika.jpg
new file mode 100644
index 0000000..cd93069
Binary files /dev/null and b/app/assets/images/slides/grillrb/villataika.jpg differ
diff --git a/app/assets/stylesheets/reveal/black.scss b/app/assets/stylesheets/reveal/black.scss
index b6a2ee3..bc7b90b 100644
--- a/app/assets/stylesheets/reveal/black.scss
+++ b/app/assets/stylesheets/reveal/black.scss
@@ -9,24 +9,36 @@
 @import "./mixins";
 @import "./settings";
 // ---------------------------------------------
-
-
+ul.arr li{
+	list-style: none;
+	margin-left: -30px;
+	&:before{
+		color: #b5e853;
+		content: ">> ";
+	}
+}
+.left {
+	text-align: left;
+}
 // Include theme-specific fonts
 // @import url(../../lib/font/source-sans-pro/source-sans-pro.css);
 
+.reveal section img.no_b {
+	border-width: 0px;
+}
 
 // Override theme settings (see ../template/settings.scss)
 $backgroundColor: #191919;
 
-//$mainColor: #fff;
-//$headingColor: #fff;
+$mainColor: #a9fb0b;
+$headingColor: #a9fb0b;
 
 $mainFontSize: 42px;
 //$mainFont: 'Source Sans Pro', Helvetica, sans-serif;
 //$headingFont: 'Source Sans Pro', Helvetica, sans-serif;
 $headingTextShadow: none;
 $headingLetterSpacing: normal;
-$headingTextTransform: uppercase;
+$headingTextTransform: normal;
 $headingFontWeight: 600;
 $linkColor: #42affa;
 $linkColorHover: lighten( $linkColor, 15% );
@@ -43,7 +55,16 @@ section.has-light-background {
 	}
 }
 
-
 // Theme template ------------------------------
 @import "./theme";
 // ---------------------------------------------
+body {
+  background: #1c1e20;
+  background: -moz-radial-gradient(center, circle cover, #393a3a 0%, #1c1e20 100%);
+  background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, #393a3a), color-stop(100%, #1c1e20));
+  background: -webkit-radial-gradient(center, circle cover, #323232 0%, #1c1c1c 100%);
+  background: -o-radial-gradient(center, circle cover, #393a3a 0%, #1c1e20 100%);
+  background: -ms-radial-gradient(center, circle cover, #393a3a 0%, #1c1e20 100%);
+  background: radial-gradient(center, circle cover, #393a3a 0%, #1c1e20 100%);
+  background-color: #2b2b2b;
+}
diff --git a/app/controllers/slides_controller.rb b/app/controllers/slides_controller.rb
index 72ad897..0a78088 100644
--- a/app/controllers/slides_controller.rb
+++ b/app/controllers/slides_controller.rb
@@ -1,7 +1,7 @@
 class SlidesController < ApplicationController
 
   def index
-    render( template: "slides/#{params[:slide]}" ,   layout: false )
+    render( template: "slides/#{params[:slide]}/index" ,   layout: false )
   end
 
 end
diff --git a/app/views/slides/grillrb/_how.haml b/app/views/slides/grillrb/_how.haml
new file mode 100644
index 0000000..fe5f5ce
--- /dev/null
+++ b/app/views/slides/grillrb/_how.haml
@@ -0,0 +1,163 @@
+%section#how
+  %h2 That was what
+  %br
+  %h4 next
+  %br
+  %h1 How
+  %p.fragment With rails analogy
+
+%section#app
+  %h2 Rails app
+  %p many views
+  %br
+  %h2.fragment RubyX
+  %p.fragment many methods
+  %br
+  %h4.fragment method = view
+
+%section#controller
+  %h3 controller renders view
+  %br
+  %h3.fragment compiler compiles methods
+  %br
+  %h4.fragment controller = compiler part
+
+%section#http
+  %h3 rack handles http
+  %br
+  %h3.fragment assembler and elf handles binary creation
+  %br
+  %h4.fragment lower levels don't matter to most
+
+%section#layers
+  %h3 request processed by layers
+  %br
+  %h3.fragment Compiler processes in layers
+  %br
+  %h4.fragment same same, but different :-)
+
+%section#compiler_layers
+  %h2 Compiler layers
+  %p Ruby source (parser gem)
+  %p.fragment Virtual oo language (vool)
+  %p.fragment Minimal oo Machine (mom)
+  %p.fragment Risc abstraction
+  %p.fragment Target (arm)
+  %p.fragment Elf / binary
+
+%section#vool
+  %h2 Vool, virtual oo language
+  %p virtual == no syntax
+  %p.fragment oo == object model like ruby
+  %p.fragment ruby without the fluff ( splats / unless ..)
+  %p.fragment Statements + Expression
+  %p.fragment nothing implicit
+
+%section#machines
+  %h2 Language vs Machine
+  %p next level is (abtract) machine
+  %p.fragment statement tree vs instruction list
+  %p.fragment variables vs memory
+  %p.fragment control structures vs jumps
+  %p.fragment abstract vs basic
+
+%section#mom
+  %section#mom1
+    %h2 Mom, minimal object machine
+    %p 16 instructions
+    %p.fragment Works only on memory
+    %p.fragment higher level than next
+    %p.fragment ease transition to next level
+    %p.fragment 1 vool → 2-8 mom
+
+  %section#mom2
+    %h2 MOM instructions
+    %p simple call , argument transfer , return sequence
+    %p.fragment dynamic call , method resolve
+    %p.fragment checks with implicit jumps
+    %p.fragment ruby truth check , identity check
+    %p.fragment yield . . .
+%section
+  %section#risc1
+    %h2 Risc abstraction
+    %p arm without the fluff
+    %p.fragment arm like registers
+    %p.fragment 20 instructions
+    %p.fragment extensible (for builtin + more)
+    %p.fragment last virtual layer
+    %p.fragment interpreter + visual debugger
+
+  %section#risc2
+    %h2 Risc instructions
+    %p mem/reg + reg/reg
+    %p.fragment arithmetic operators
+    %p.fragment tests on operation result
+    %p.fragment jump , call , return
+    %p.fragment syscall
+
+%section#code
+  %h2 Code generation
+  %br
+  %br
+  %h2.fragment object generation
+
+%section#model
+  %h2 Object Model
+  %p Everything is Object
+  %p.fragment Fixed sizes
+  %p.fragment opaque data, ruby has no access
+  %p.fragment mom instructions to process data
+
+%section#types
+  %h2 Object has Type
+  %p.fragment Types are immutable
+  %p.fragment Types store callable methods
+  %p.fragment maps names to indexes
+  %p.fragment does not define types recursively
+  %p.fragment type reference may change
+
+%section#classes
+  %h2 Type implements Class
+  %p Class has instance Type
+  %p.fragment new object has instance type
+  %p.fragment instance type may change
+  %p.fragment many types implement one class
+  %p.fragment class stores method definition
+
+%section#dynamics
+  %h3 Types are static
+  %h3 Ruby is dynamic
+  %h3.fragment.fade-out ?
+  %p.fragment objects type reference may change
+  %p.fragment class instance type may change
+
+%section#parfait
+  %h2 Basic Objects: Parfait
+  %p minimal runtime for compiling
+  %p.fragment Basic oo: Class , Type , Method , Code
+  %p.fragment Utils: String, Integer , Array , Hash
+  %p.fragment  also, additional builtin methods
+
+%section#calling
+  %h2 Calling convention
+  %p linked list (not stack)
+  %p.fragment object oriented
+  %p.fragment easy to understand
+  %p.fragment exceptions easier
+  %p.fragment binding easier
+
+%section#message
+  %h2 Message Object
+  %p next / caller message
+  %p.fragment frame (locals) + args
+  %p.fragment return address + value
+  %p.fragment method
+  %p.fragment receiver (self)
+
+%section#project
+  %h2 Project
+  %p 5 years
+  %p 3k commits , 1600 tests
+  %p multi arch ready, arm working
+  %p basic executables (mini rt)
+  %p stable architecture
diff --git a/app/views/slides/grillrb/_intro.haml b/app/views/slides/grillrb/_intro.haml
new file mode 100644
index 0000000..05b5d28
--- /dev/null
+++ b/app/views/slides/grillrb/_intro.haml
@@ -0,0 +1,126 @@
+%section#intro
+  %h1 RubyX
+  %p Compile ruby to binary
+  %p in 100% Ruby
+  %p No external dependencies
+  %p Faster ( X times )
+  %p Easy to understand
+  %p Easy to modify own tool
+%section#torsten
+  %h2 Torsten
+  %p github.com/rubydesign
+  %p 30+ years coding
+  %p Now coding as hobby
+%section#finland
+  %h2 from Finland
+  %p
+    %img{:alt => "Finland", "data-src" => image_url("slides/grillrb/finland")}/
+%section#raisa
+  %h2
+    Raisa
+    %small (my wife)
+  %p
+    %img{:alt => "Raisa", "data-src" => image_url("slides/grillrb/raisa") , height: 400}/
+%section#villataika
+  %h2
+    Run a b&b
+    %small villataika.fi
+  %p
+    %img{:alt => "Villa Taika", "data-src" => image_url("slides/grillrb/villataika") , height: 400}/
+%section#intro2
+  %h2 RubyX
+  %p Compile ruby to binary in ruby
+  %p.fragment why
+  %p.fragment how
+  %p.fragment future
+%section#story
+  %h2 Short Story
+  %p About the 60’s
+  %p uncle Bob
+  %p going to Mars
+  %p the Energy solution
+%section#mars
+  %h2 Mission to the Moon
+  %p ‘61 goal declared by Kennedy
+  %p.fragment ‘69 achieved by Appollo 9
+  %p.fragment 4bit , 2k RAM , 1Mhz
+  %p.fragment Mars 2020, maybe
+%section#thorium
+  %h2 Molten-Salt Reactor
+  %p Early 60’s nuclear research (Thorium)
+  %p.fragment sucessful run '64-'69 , 7MW
+  %p.fragment Walk away safe , small , little waste
+  %p.fragment Rediscovered  by Kirk Sorensen 2008
+%section#bob
+  %h2 Programming
+  %p Uncle Bob “Future of programming”
+  %p.fragment C ,Unix,Smalltalk ,Lisp ,invented 60’s
+  %p.fragment Engineers doubling every 5 years
+  %p.fragment Go 2009 , Rust 2010 , Julia 2012
+%section#60s
+  %h2 Theory of 60’s
+  %p Programming, spaceflight, energy
+  %p.fragment Major advancement in 60’s
+  %p.fragment New advancements recently
+%section#now
+  %h2 Why now
+  %p Simula invented OO concepts in 67
+  %p.fragment Smalltalk (first pure OO) PARC 70’s
+  %p.fragment Popular 80’s , "Blue Book" published
+  %p.fragment Ruby, Python, JS, reincarnated 90’s
+  %p.fragment YARV, mri’s stack machine, 00's
+%section#speed
+  %h2 The Speed problem
+  %p
+    %large
+      %b 10x
+    %span.fragment possibly 30x
+    %span.fragment sometimes 100x
+  %p.fragment laptop  becomes a pi
+  %p.fragment 1k hardware costs 10k
+%section#effects
+  %h2 Effects of Speed
+  %p 2 language problem (nice OR fast)
+  %p.fragment Limited domains accessible
+  %p.fragment Smaller community
+  %p.fragment less tools
+%section#problem
+  %h2 Real problem
+  %p Speed is symptom
+  %p.fragment Interpretation is cause
+  %p.fragment Compilation is the solution
+%section#meta_problem
+  %h2 Meta problem
+  %p Implementation language
+  %p.fragment You can’t fix
+  %p.fragment Ruby is the solution
+
+%section#whyme
+  %h4 Why me?
+  %h2 I
+  %table
+    %tbody
+      %tr
+        %td
+          %img.no_b{alt: "love", "data-src" => image_url("slides/grillrb/heart.png"), height: 250}
+        %td
+        %td
+        %td
+          %img.no_b{alt: "ruby", "data-src" => image_url("slides/grillrb/ruby.png") , height: 250}
+%section#also
+  %h2 Also:
+  %p I have time
+  %p.fragment and basic skills
+  %p.fragment and motivation
+
+%section#motiv
+  %h2 Motivation
+  %p Further the art
+  %p.fragment prove the oo case
+  %p.fragment for the community
+  %p.fragment with you
+
+%section#demo
+  %h2 Demo
+  %p
+    =link_to "www.ruby-x.org" , "http://www.ruby-x.org"
diff --git a/app/views/slides/grillrb/_next.haml b/app/views/slides/grillrb/_next.haml
new file mode 100644
index 0000000..002c21b
--- /dev/null
+++ b/app/views/slides/grillrb/_next.haml
@@ -0,0 +1,79 @@
+%section#next
+  %h2 Next Plans
+  %h2 What can you do
+  %h2 Impact on community
+
+%section#my_next
+  %section#next
+    %h2 My next Plans
+    %p Benchmarks
+    %p Bootstrapping
+    %p Parfait
+
+  %section#bench
+    %h2 Benchmarks
+    %p Micro with mixed results
+    %p.fragment Integer ops slightly slower
+    %p.fragment Calling 2x faster
+    %p.fragment Puts faster than c
+
+  %section#bench_conclusion
+    %h2 Conclusion from Benchmarks
+    %p Bigger benchmarks, more functionality
+    %p.fragment Profiling
+    %p.fragment Macros
+    %p.fragment Inlining
+
+  %section#better_parf
+    %h2 Better Parfait
+    %p Integrate existing tests
+    %p.fragment Complement existing classes
+    %p.fragment More classes
+    %p.fragment Optimize
+
+  %section#better_parf
+    %h2 Bootstrap
+    %p Compile ruby-x with rubyxc
+    %p.fragment Improving compiler
+    %p.fragment Figure out metacode
+    %p.fragment Integrate ruby spec
+
+%section#you
+  %h2 Things you can do
+  %p Spread the word
+  %p Learn
+  %p Participate
+
+%section#learn
+  %p Learn about compilers
+  %p.fragment Learn with friends
+  %p.fragment At university
+
+%section#participate
+  %h2 Participate
+  %p Many topics, small and large
+  %p.fragment Functionality or research
+  %p.fragment no pressure
+
+%section#topics
+  %h2 Topics
+  %p.fragment assemblers (architectures)
+  %p.fragment Register allocation
+  %p.fragment digital trees (judy)
+  %p.fragment lock free synchronisation (Dr Cliff)
+  %p.fragment stdlib , pi project , . . . . .
+
+%section#community
+  %h2 Impact on community
+  %p assuming bootstrapped + working
+  %p.fragment new applications
+  %p.fragment desktops, native mobile, server
+  %p.fragment Broaden base, more tools, positive spiral
+
+%section#programming
+  %h2 Impact on programming
+  %p.fragment  compiling JS
+  %p.fragment  compiling Python
+  %p.fragment  compiling c
+  %p.fragment  unification of languages
+  %p.fragment  5th generation
diff --git a/app/views/slides/grillrb/_what.haml b/app/views/slides/grillrb/_what.haml
new file mode 100644
index 0000000..de75dd9
--- /dev/null
+++ b/app/views/slides/grillrb/_what.haml
@@ -0,0 +1,53 @@
+%section#working1
+  %h2
+    Currenty working
+    %small (overview)
+  %p basic oo (classes/ objects)
+  %p.fragment memory layout
+  %p.fragment calling convention
+  %p.fragment binary creation
+
+%section#vars
+  %h3 variables +
+  %h3 assignment
+  %ul
+    %li local /arg
+    %li ivar
+    %li implicit return
+
+%section#static
+  %h2 static calling
+  %p argument passing
+  %p constants
+  %p local / ivar
+  %p calls
+
+%section#dynamic
+  %h2 dynamic sending
+  %p  as static, plus
+  %p.fragment method resolution
+  %p.fragment caching
+
+%section#lambdas
+  %h3 Lambdas
+  %p implicit capture and compilation
+  %p block passing as argument
+  %p  yield with arguments
+  %p return (lambda style)
+
+%section#control
+  %h3 control structures
+  %p if / else / until
+  %p while
+  %p complex conditions
+  %p no break / continue (easy)
+
+%section#not
+  %h2 Not working
+  %p eval
+  %p procs / binding
+  %p exceptions
+  %p class variables / globals
+  %p multi - assignment
+  %p stdlib
+  %p   . . . . . .
diff --git a/app/views/slides/grillrb/index.haml b/app/views/slides/grillrb/index.haml
new file mode 100644
index 0000000..d758f2a
--- /dev/null
+++ b/app/views/slides/grillrb/index.haml
@@ -0,0 +1,47 @@
+!!!
+%html{:lang => "en"}
+  %head
+    %meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}/
+    %meta{:charset => "utf-8"}/
+    %title GrillRB 2019
+    %meta{:content => "RubyX, compiling ruby to binary", :name => "description"}/
+    %meta{:content => "Torsten Ruger", :name => "author"}/
+    %meta{:content => "yes", :name => "apple-mobile-web-app-capable"}/
+    %meta{:content => "black-translucent", :name => "apple-mobile-web-app-status-bar-style"}/
+    %meta{:content => "width=device-width, initial-scale=1.0", :name => "viewport"}/
+    = stylesheet_link_tag  'reveal/reveal', media: 'all'
+  %body
+    .reveal
+      .slides
+        = render partial: "slides/grillrb/intro"
+        = render partial: "slides/grillrb/what"
+        = render partial: "slides/grillrb/how"
+        = render partial: "slides/grillrb/next"
+
+        %section#end{:style => "text-align: left;"}
+          %h1 RubyX
+          %p
+            Read up
+            =link_to "ruby-x.org", "https://ruby-x.org"
+            %br/
+            Start coding
+            = link_to "github.com/ruby-x/" , "http://github.com/ruby-x"
+            %br
+            Make contact
+            =link_to "google group ruby-x" , "https://groups.google.com/forum/#!forum/ruby-x"
+
+    = javascript_include_tag "reveal"
+    = javascript_include_tag "highlight"
+    :javascript
+      // More info https://github.com/hakimel/reveal.js#configuration
+      Reveal.initialize({
+      	controls: true,
+      	progress: true,
+      	center: true,
+      	hash: true,
+
+      	transition: 'slide', // none/fade/slide/convex/concave/zoom
+
+        width: 950,
+        height: 600,
+      });
diff --git a/public/rubyx.odp b/public/rubyx.odp
index fbb40b8..266d49b 100644
Binary files a/public/rubyx.odp and b/public/rubyx.odp differ