Question: Do aluminum pans and other disposable utensils require t’vilah?

 Short Answer: Contemporary poskim are divided whether disposable utensils made out of metal or glass, such as aluminum pans, require t’vilah. The general custom appears to be that no t’vilah is required, assuming these utensils will only be used one time.

Question: Is there a prohibition of yichud when a male convert is secluded with his mother?

 Short Answer: This is a major dispute amongst contemporary poskim. The vast majority, though, are lenient, as there still is a familial connection between the convert and his mother.

Question: Must glass utensils be toveled? Plastic utensils? If yes, is a brachah recited?

Short Answer: The Gemara rules that glass utensils must be toveled and the vast majority of poskim rule that a brachah is recited. Plastic is trickier, and is a dispute among contemporary poskim. The general custom is that plastic utensils do not need toveling. 

Question: Does one violate a Biblical prohibition by using a non-toveled utensil? 

Short Answer: It is a machlokes whether one violates a Biblical prohibition by using a non-toveled utensil. Regardless, one may not delay toveling a utensil (that he uses), and if he does, he possibly violates a mitzvas asei (positive commandment).

Question: Is it permitted for a man and woman to have yichud where there is a video stream recording them?

 Short Answer: Most poskim prohibit yichud even where there is a camera videoing the seclusion. The poskim who do permit yichud only permit it under certain limited circumstances, as described herein.