Chris Robbins (@grallator.bsky.social)

Chris Robbins

@grallator.bsky.social

Physicist and mathematician. Modelling, simulation and software.

16 followers 12 following76 posts

Chris Robbins

@grallator.bsky.social

9 Dec 2024

Lunchtime thinking walk (at 3 pm). Contemplating fiendishly difficult quadratic equations

Chris Robbins

@grallator.bsky.social

23 Nov 2024

New toy. Ok it’s really a spectrum copy rather the spectrum but looking forward to playing some of those childhood games again, especially the hobbit and lords of midnight #retrocomputer

Chris Robbins reposted

Mark Ramsay

@ionactive.bsky.social

18 Nov 2024

ionactive.co.uk/resource-hub... Day job related post :) / Anyone interesting in #radiation safety / #nuclear #safety and similar might find the following free resource our website interesting. X-ray tube, inverse square, ALARP, radiation shielding and other widgets. Nicely interactive!

ionactive.co.ukRadiation protection widgets & calculatorsA collection of radiation protection training / educational interactive widgets and calculators. X-ray tube dose rate, inverse square law, cumulative dose, TVT shielding, cosmic radiation etc

Chris Robbins

@grallator.bsky.social

18 Nov 2024

Delayed neutrons in a nuclear reactor - a little exercise in differential equations, eigenvalues and eigenvectors. An article I produced for @ionactive.bsky.social ionactive.co.uk/resource-hub...

ionactive.co.ukCriticality and delayed neutronsArticle looking at the physics and mathematics of delayed neutrons in criticality scenarios. Delayed neutrons & neutron lifetime have a significant impact on the increase (or decrease) in power.

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