New: treplabAll contenthive-129948hive-196917krzzansteemphotographyhive-183959hive-180932hive-185836uncommonlabhive-166405hive-150122bitcoinhive-183397hive-144064hive-145157hive-109690hive-139150lifehive-188619hive-101145krsuccesshive-150943hive-124908hive-184714TrendingNewHotLikersemmycool459 (25)in treplab • 6 years agoI belong to treplab: young inventorsAt treplab, we do tech related works. The picture above shows a student displaying one of his latest inventions. He uses an app in his phone to control lighting system