The sender of the best letter every week will win a cheque for £50.
每周的最佳寄信人将赢得一张$50的支票。
The idea was that a person acting as a 'sender' would attempt to beam the image over to the 'receiver' relaxing in the sealed room.
这个想法是,一个人作为一个“发送者”将试图把图像发送给在密封房间里放松的“接收者”。