When we think of science and tecchnology , we usually think of amazing things that scientists have discovered or modern gadgets that use batteries or electricity . The things we know about and use have made life today much easier than it used to be . Science and technology have existed for a long time , however . Even thousands of years ago , people were looking for ways to make their lives better and doing basic scientific experiments to find things out . The methods have changed over the years , but the ideas are the same . Inventions and discoveries have helped people in their everyday lives everywhere .