Galileo’s Measure Of Gravity Explained By Jim Al-Khalili | The Amazing World Of Gravity | Spark

When you drop an object it’s actually quite hard to tell if it falls at a constant speed or picks up speed as it drops, but Galileo realised this... Subscribe to Spark for more amazing science, tech and engineering videos - Follow us on Facebook: Follow us on Instagram: Content licensed from TVF International to Little Dot Studios. Any queries, please contact us at: owned-enquiries@ #spark #sparkdocumentary #sciencedocumentary