This was one of the first commercially available mobile phones—it cost about £9000 in today's money, and had a battery life of 30 minutes talk time. In his 1985 Christmas Lectures, David Pye demonstrated this brand-new technology of the time. Watch the full series here: rigb.org/christmas-lectures/watch-royal-institution-christmas-lectures-archive This year marks the 200th anniversary of the Christmas Lectures. Stay with us as we share our favourite bits from the archives. #Discover200 | Royal I

Are you ready for round two of the Christmas Lectures tonight? Sue Black will work with a host of world-class experts in forensic science, as they reveal how they find clues that are invisible to the naked eye, and analyse them to solve crimes. Tune in to BBC Four/iPlayer at 8pm! | Royal Institution of Great Britain

The 2022 Christmas Lectures with forensic anthropologist Sue Black start TONIGHT. We cannot contain our excitement! 🙌 In lecture one we'll look at what clues are hidden in our bodies, and how investigators can uncover a host of information about someone from the smallest fragment of their remains. Tune in to BBC Four and iPlayer at 8pm! | Royal Institution of Great Britain

Harold Spencer Jones, astronomer and Christmas Lecturer, was #BornOnThisDay in 1890. He delivered his lectures on 'Astronomy in our Daily Life' in 1944. | Royal Institution of Great Britain | Facebook

10K views · 243 reactions | In the Christmas Lectures we learnt how forensic investigators find and analyse evidence. Tonight, we'll see how it holds up in court, as the Ri turns into a courtroom and Sue Black faces a real-life KC. The audience will decide the fate of our trial 六‍⚖️ 8pm on BBC Four/iPlayer. | Royal Institution of Great Britain | Facebook

The secret's out! 👀 The series title for this year's CHRISTMAS LECTURES, supported by CGI, is: The truth about food 🙌 Watch this year's lectures, presented by Dr Chris van Tulleken on 29, 30 and 31 December on BBC Four and iPlayer. | Royal Institution of Great Britain

If you didn't know how phosphorus was discovered, urine for a surprise! ⚗️ We're sharing our favourite clips from the Christmas Lectures archives as we eagerly await their massive 200th anniversary this festive season. #Discover200 This video is from Peter Wothers' 2012 series "The Modern Alchemist". You can watch it on our online archive, for free and without creating an account: rigb.org/explore-science/explore/video/modern-alchemist-air-elixir-life-2012 | Royal Institution of Great Britain

441K views · 2.8K reactions | The Christmas Lectures, supported by CGI , start TONIGHT! Chris van Tulleken will guide us through the surprising science of food, revealing...  How we taste food  What makes food appetising  How digestion works ...and more! Tune into BBC Four or iPlayer at 9pm to watch! | Royal Institution of Great Britain | Facebook