David Whittle

@DaveWhittle
451 Followers
215 Following
20.6K Posts
Retired after 48 years in science education, as a teacher and then an LA adviser. Still interested in lots of stuff. Not grumpy yet!

"We conclude that satellites will be unavoidable during Square Kilometre Array observing conditions, risking a strong impact on the radiofrequency interference environment."

https://arxiv.org/abs/2604.22694

#Satellites #Astronomy #RadioAstronomy

How climate change threatens the economic backbone of the Pacific - BBC News
https://www.bbc.co.uk/news/articles/cq57vxjvdy4o
#ClimateDiary
How climate change threatens the economic backbone of the Pacific

Tuna populations around the Pacific Islands could move away as ocean temperatures increase.

BBC News
Police assess evidence on £40,000 donation to Robert Jenrick’s campaign

Exclusive: Some donations to 2024 Tory leadership campaign allegedly originated from US businessman in breach of electoral rules

The Guardian
Can electric air taxis carry passengers? Vertical Aerospace’s VX4 just cleared a key test | Scientific American
https://www.scientificamerican.com/article/can-electric-air-taxis-carry-passengers-vertical-aerospaces-vx4-just-cleared-a-key-test/
Can electric air taxis carry passengers? Vertical Aerospace’s VX4 just cleared a key test

A British start-up recently pulled off a key maneuver for electric vertical flight—but certification, infrastructure and demand will decide whether air taxis fill our skies

Scientific American
Africa could split apart sooner than scientists thought | Scientific American
https://www.scientificamerican.com/article/africa-could-split-apart-sooner-than-scientists-thought/
Africa could split apart sooner than scientists thought

New research reveals that a rift in Earth’s crust is just a few million years away from splitting the continent of Africa into two—and creating a new ocean

Scientific American
How do earthquakes end? A seismic 'stop sign' could help predict earthquake risk | Scientific American
https://www.scientificamerican.com/article/how-do-earthquakes-end-a-seismic-stop-sign-could-help-predict-earthquake-risk/
How do earthquakes end? A seismic 'stop sign' could help predict earthquake risk

When an earthquake rupturing along a fault hits a barrier, it creates a seismic signature called the “stopping phase.” Scientists have isolated this and could use it to better predict earthquake risk

Scientific American
One scientist’s 10-year quest to calculate the strength of gravity | Scientific American
https://www.scientificamerican.com/article/one-scientists-10-year-quest-to-calculate-the-strength-of-gravity/
One scientist’s 10-year quest to calculate the strength of gravity

Earth’s gravitational force, g, has been known for centuries. But the exact value of G, the universal gravitational constant, is elusive

Scientific American
New JWST images reveal cosmic question marks and buckyballs in a planetary nebula | Scientific American
https://www.scientificamerican.com/article/new-jwst-images-reveal-cosmic-question-marks-and-buckyballs-in-a-planetary-nebula/
New JWST images reveal cosmic question marks and buckyballs in a planetary nebula

New James Webb Space Telescope images could shed fresh light on how dying stars evolve over time

Scientific American
What happens if you’re hit by a primordial black hole? | Scientific American
https://www.scientificamerican.com/article/what-happens-if-youre-hit-by-a-primordial-black-hole/
What happens if you’re hit by a primordial black hole?

Subatomic black holes from ancient cosmic history could, in principle, make you have a very bad day. But chances are you’ll never encounter one

Scientific American
Starwatch: Leo the lion dominates the northern hemisphere

Recognised since antiquity, the constellation has a rich mythological tradition

The Guardian