A 29-year-old’s magnetic cement could end drilling walls, turning everyday surfaces into flexible, reusable storage systems
  • shortwavesurfer@lemmy.zipEnglish
    3·
    8 hours ago

    Test it to see how it does with cell phone signals because if it kills them then there’s a good chance that it won’t catch on because a lot of people use their cell phones indoors and things like Wi-Fi