ChemistryUltrasonic coffee-maker produces the perfect cold brew in minutes Cold-brewing coffee can reduce its bitter taste, but it normally takes up to 24 hours as the grounds slowly steep. A new method that involves pummelling the grounds with ultrasound can drastically speed up the process 51¶¯Âþ
CommentThe best new science fiction books of April 2024 There’s an abundance of exciting new science fiction out in April, by writers including The Three-Body Problem author Cixin Liu, Douglas Preston and Lionel Shriver Culture