Roentgenium is element number 111 and was created at GSI in Germany, where we made this film. More links in description below ↓↓↓ Support Periodic Videos on Patreon='https://www.patrelement/perioatcvideos' target='_blank'...

Maybe pause the video and see if you can figure these out? Featuring Neil Sloane of OEIS fame... More links & stuff in full description below, including spoilers ↓↓↓ Extra footage from this videoef='https://youtu.be/ydn7s9-3GRc'...

Alexander Campbell as Hans-Peter/the Nutcracker dances his mime sequence from Act II of Peter Wright's production of The Nutcracker, recorded live in December 2013. Find out more at href='http://www.roh.org.uk/nutcracker' target='_blank'...

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...

What was originally conceived as a mission of preventive maintenance turned more urgent on Nov. 13, 1999, when the fourth of six gyros failed and Hubble temporarily closed its eyes on the universe....

Shortly after the Hubble Space Telescope was deployed in 1990, the observatory's primary mirror was discovered to have an aberration that affected the clarity of the telescope's early images....