Penny Judge Science Tutor

Penny Judge Science Tutor I am a qualified teacher in Surrey with over 15 years of experience specialising in Physics up to A level and Chemistry up to GCSE.

I offer private one-to-one tutoring normally in the students’ own homes.

03/11/2023

Lo spettro di emissione di ogni elemento della tavola periodica. Un identificatore univoco, come una sorta di impronta digitale inequivocabile di ogni elemento chimico. L'analisi spettrale di una sorgente luminosa, come una stella o una supernova, permette in questo modo di determinarne la composiziome chimica.

Si tratta dello stesso principio usato per rilevare la presenza di tellurio nella kilonova associata al gamma-ray burst GRB 230307A di pochi giorni fa, il secondo piu' luminoso di sempre, causata dalla fusione di due stelle di neutroni. Questa scoperta ha cosi costituito un’ulteriore prova osservativa del ruolo chiave giocato dalle kilonovae nella sintesi degli elementi pesanti tramite il cosidetto processo r, che ha contribuito a circa la meta’ degli elementi piu’ pesanti del ferro nel Sistema Solare. L’altra meta’ e’ invece dovuta al processo s, ospitato in primis dalle stelle AGB di piccola massa (inferiore alle 4 masse solari).

18/10/2023
30/09/2023

Attempts to understand why there is much more matter in the Universe than antimatter have been dealt a blow with an experiment ruling out one of the major explanations.

30/09/2023
05/09/2023

Well done to my Science GCSE and A level students. Amazing grades - you all worked so hard. 🎉

01/09/2022

Congratulations to all my hard-working science students on your fantastic results in A level and GCSE. Well done you!

11/08/2022

Gravitational waves are the next messengers to probe the very early Universe, after the cosmic microwave background. LISA is sensitive to gravitational waves that may have been produced when the early Universe plasma cooled below a billion billion Kelvin at roughly a billionth-billionth of a second after the big bang. Such energies (of hundreds of TeV) are inaccessible to current laboratory experiments, but may be within reach of far future particle colliders.

LISA will be able to gather information on the state of the Universe at much earlier epochs than those directly probed by any other cosmological observation, thereby helping us on our quest to understand the earliest moments of the Universe.




[Image credits: GAIA/ESA]

02/08/2022

"Almost as if becoming a third nation country and abolishing freedom of movement within the EU and Schengen zone was a bad thing."

Awe inspiring
12/07/2022

Awe inspiring

First image from NASA’s new $10bn James Web Space Telescope… from a piece of sky the size of a grain of rice held at arm’s length… 😍

18/04/2022
15/04/2022

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