EnergyBy ddpruitt in WorkshopEnergy1,37637FavoriteArduino Sun Tracker Turretby robotgeek_official in ArduinoSMOT Magnetic Acceleratorby Magnetic Games in Toys & GamesSolar-OSE: Solar Concentrator for Steam Generationby Open Source Écologie in EnergyMake a Joule Thiefby 1up in ScienceHow to Build a Rocket Mass Heaterby velacreations in EnergyOpen Source Solarpad Kit Solar USB Chargerby Solarcycle in SolarSaving the World With a Giant Solar Death Rayby jkimball in SolarGiant Fresnel Lens Deathray: an Experiment in Opticsby DrSimons in ScienceDIY Solar Trackerby pdaniel7 in ArduinoStirling Engineby jRamonGalindo in CNCDesktop Fire-Tornadoby BenjaminParris in ArtStepper Motor + Arduino + Solar Tracker (EV)by hectorhhg in Arduino
