33. Sc. and techn. / IO

*** Science and technology / **** In ontwikkeling

*** 33 Science and technology **** 33 In ontwikkeling
*** 33-1 Talking about  
*** 33-2 Invention and innovation 
     Present and perfect tenses     
 
*** 33-3 A better view 
     Present continuous
 
*** 33-4 Nanotechnology 
    Verb tenses
 
*** 33-5 Future of technology