Replying to @dallascampbell
I was fortunate enough to watch the very first episode of Dr Who. I was kneeling on the sofer, watching the reflection of the telly, in the window. I could avoid watching the scary bits. Scared the b'jesus, out of me.
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That's two diffraction gratings, rotated 90 degrees, to each other.
LED colours revealed by a diffraction grating
youtube.com/shorts/OA1IZBUl-…
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Replying to @BDAdyslexia
I was in my mid 40's, I was typing and email. One of the D.Phil. students looked over my shoulder and said, you could have easily taken a Physics degree and probably a D.Phil. there's lots support for Dyslexia. Up until then I hadn't even considered it.
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Can't help thinking there's truth here. Until you respect yourself, you won't respect others.
We can’t fix education without fixing parenting.
Teachers are burned out because too many children are showing up without the respect & discipline that should start at home.
Until we hold parents accountable, the “teacher shortage’ will only worsen.
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It doesn't look well. Just sayin'.
A rare sailback shark, which has an unusually large dorsal fin, was first described by scientists in 1973. That was the last record of its existence – until now. newscientist.com/article/249…
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Replying to @crossjacktar
When dignitaries sign documents, they usually use a fountain pen, or at least a posh Biro. Trump uses a magic marker, one up from a red crayon, I suppose!
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Replying to @DeborahMeaden
Well, you can't please all of the people, all of the time. Good effort tho', I'm with you, unfortunately I live in the Dreaming Spires, so not a lot of beach.
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Replying to @crossjacktar
To be fair, it doesn't say 'this way up' and the instructions were translated from Chinese.
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