#inventionUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemitCryptoAcademyNewcomers' CommunitySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSteem POD TeamSTEEM CN/中文Beauty of CreativityTron Fan ClubComunidad LatinaAVLE 일상#inventionTrendingHotNewPayoutsMutedjoeboukhalil (35)in #invention • 20 days agoThermal Inkless Pen: Writing on Heat-Sensitive PaperIntroduction What about the idea of a pen that doesn't run out of ink? So thatyou recharge and could always work.…