Fun theme and solve! (I had to check because I was confused about how to enter the answers in the shaded squares… is there a reason some are "I" and some are "EYE"?)
SiH₄ (pungent toxic gas which is a precursor to elemental silicon)
9A
Soil working, sans each letter at the heart of the puzzle’s theme
10A
Optical feature in the classic Nintendo console
Verticali
1D
Often said that it will make the whole world blind… Though this version probably won’t (this puzzle’s theme)
2D
Putting numbers to the third power
3D
Hawaiian for “Go away”
4D
Reactions to bad jokes
5D
It may be caught in a risky situation, briefly
6D
“___ , you grout. That’s how we've always done bathrooms”(really wanted to clue this: “Apple’s new DIY bathroom flooring product? …hypothetically” but it would have been inaccurate to the puzzle’s theme)