Just try creating or using technology, from the lever onward, without using at least some basic scientific principle. Off the top of my head, computers (being among the most sophisticated of modern techologies) build on such necessary scientific knowledge as the following:
* Electricity, magnetism, and recognition of them being facets of the same force, and of how to generate them and insulate against them.
* Chemistry, including how to make synthetic materials [e.g., plastic from petroleum, and of how to GET petroleum (i.e., the entire discipline of petrogeology and petroleum engineering and their respective underlying basic scientific knowledges)].
* Metallurgy and related chemistry.
* Glassmaking and similar work in silicates, taken to extremes.
* Microscopy and lenscrafting.
* Electronic microscopy, which requires considerable physics underpinning.
* Understanding of how light works, leading to (among other things) maser and laser emission and control (which requires another slew of physics knowledge to build up to).
That's a very superficial list, and it already is dependent on pure science a hundred times over. Consider yourself "told."