Tuesday Telescope: On Mars, the rovers take pictures of robotic arms and rocks
We’re back! A long-time reader and subscriber recently mentioned in the Ars Forums that they “kind of” missed the Daily Telescope posts that I used to write in 2023 and…
How to calculate your home battery needs for the next blackout
Buying a giant battery for the next blackout or off-grid adventure can be daunting, especially when hundreds or even thousands of dollars are on the line. Get it wrong and…
Why the watt is the most important spec in battery-powered devices
Every time I see “mAh” on a consumer product, I cringe. Megahertz are starting to bruise, too. That’s because the most critical components of portable gadgets â batteries and processors â…
It’s the moment of truth for Zuckerberg’s Trump bet
Zuck bought himself a position of honor at Trump’s inauguration. | Image: Kenny Holston-Pool/Getty Images Mark Zuckerberg — having spent months cozying up to President Donald Trump — will now…
ChatGPT’s improved image generation is now available for free
ChatGPT’s latest image generator — which has gone viral for its ability to generate uncanny recreations of Studio Ghibli art — is now available for everyone, after OpenAI initially delayed…
Technology Leap of Tesla Cybercab Manufacturing is Like the Fully Reusable SpaceX Starship
The fully reusable SpaceX Starship includes huge combinations of new technologies. The innovations combine into a massive increase in capability. We will be able to launch 1000 times as much…
Palworld and PUBG are getting dating sims
A screenshot from the Palworld dating sim, called Pal♡world! ~More Than Just Pals~. The developers of Palworld and PUBG: Battlegrounds have announced details of dating simulators set in the universes…
Super-Turing AI for AI Using 40 Million Times Less Energy
Super-Turing AI operates more like the human brain and with much less energy. This new AI integrates certain processes instead of separating them and then migrating huge amounts of data…
Finally, an e-bike that charges off USB-C
Up to 140W off a USB-C PD 3.1 laptop charger you might already own. | Image: Ampler Ampler made one of the first modern e-bikes I ever tested, and now it’s selling…
Purchasing Power of Countries and Regions
There is a global total of $60 trillion of final consumer consumption for 2025. The US with about 4% of total world population has 33% of total consumption.