#inventionUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceTron Fan ClubBeauty of CreativitySTEEM CN/中文AVLE 일상Comunidad LatinaSteem Space#inventionTrendingHotNewPayoutsMutedjoeboukhalil (35)in #invention • last monthThermal 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.…