Brincando com Threads no Ruby

thread.rb

t1 = Thread.new do
  puts "Na thread 1"
  sleep(6)
  puts "ainda na thread 1"
  sleep(3)
  puts "fim da thread 1"
end

t2 = Thread.new do
  puts "Na thread 2"
  sleep(8)
  puts "Outro puts da thread 2"
  sleep(12)
  puts "fim da thread 2"
end

while(true) do
  puts "Aguardando threads"
  sleep 5
end