Acoustic holograms (Ologrammi creati con onde acustiche) - via @NatureVideo

This ambulance-in-backpack could save lives in the wilderness (Lo Zaino Ambulanza per le zone impervie) - via @TechInsider

How Do RAM Drives Work? (Come funziona una RAM?) - via @Techquickie

Why you shouldn't trust successful people's advice - via @BiteSizePsych