News Better Hair Through Chemistry By Tech & Learning published 2 February 2009 Better Hair Through Chemistry: Measure changes in humidity by constructing a hygrometer with a single strand of hair.Tech & Learning NewsletterTools and ideas to transform education. Sign up below.* To subscribe, you must consent to Future’s privacy policy. Tech & LearningSocial Links Navigation More newsEdmentum Looks to Prepare Students for the FutureSchool Leadership: How to Make LemonadeLatestThe NEA Has Adopted A New Statement On AI in Education. Here’s What Educators ThinkSee more latest ► TOPICS News Most PopularFree Sites for Back to SchoolISTELive 2024: Edtech Show & TellEducator Edtech Review: AT&T amiGo Jr. TabMicrosoft Updates Its Suite With AI: ISTELive 2024 RecapScientists Compared ChatGPT Writing Assessments to Human Assessments. Here’s What They Found Edtech Show & Tell: July 2024The Biggest Edtech Companies Are Going All In on AI. Here's Why Tech & Learning Announces Winners of Best of Show at ISTE 20245 Ways for New Teachers to Mentally Prepare for TeachingImplementing an AI Roadmap Framework: Preparing Staff & StudentsHow Gamifying Education Brings Out the Best In Students