Answer:
Different lights do make me strange, thus into different sizes I will change.
I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes.
During the 1800's these turned women into hourglasses and is becoming more popular again these days
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
Be sure to shout for its answers are weak, but there is no language it cannot speak.
I am owned by Old McDonald.