STEM

1234
Across
  1. 4. I can be old or new, simple or advanced. I exist in your pocket, home, and workplace. What am I?
Down
  1. 1. I turn ideas into reality, numbers into structures, and science into machines. Without me, progress would stall. What am I?
  2. 2. I put the 'S' in STEM
  3. 3. I can be kinda boring when misunderstood, but when understood really fun.