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 - https://goo.gl/LIrlur Follow us on Facebook: https://www.facebook.com/SparkDocs/ Follow us on Instagram: https://www.instagram.com/spark_channel/?hl=undefined Content licensed from TVF International to Little Dot Studios. Any queries, please contact us at: owned-enquiries@littledotstudios.com #spark #sparkdocumentary #sciencedocumentary