human7

The 80% is similar to the figures that were discussed during the Databricks Data+AI Summit in San Francisco back in June: only about 15%...

A lot of early projects fail. I do not know the criteria used, but 80% failure seems reasonable. I was expecting more like 95% failure...

I can't fault any of your calculations. But if one assumes very cheap (and very durable and impact-resistant) solar cells, the obvious...

The maximum efficiency of a single-junction solar panel is about 30%; this is a mathematically calculated figure called the Shockley...

I do wish they would put solar panels on the roofs of cars; not so much as for motive power, but instead to simply run ventilation fans...

A cool project! The intensity of sunlight just isn't enough on Earth for solar powered cars to be a reality without significant...

Normal concrete walls will absorb approx. 30% of the CO2 created in manufacturing process over 10 years, reaching up to 60& or so after...

"Cave Johnson here. Introducing the consumer version of our most popular military-grade product: the turret."

ctOS, coming to a town near you.

Copyright law says that when an author's original work is incorporated into a medium, it is automatically protected by copyright. No one...

This isn't quite correct. Even prior to Berne, the 1976 Copyright Act gave automatic copyright to works once expressed in tangible...

I stand corrected - what you say is generally true. There are caveats (not all nations adhere to this), and, at least in the U.S., where...

Nothing is automatically copyrighted, the work has to be registered. Yes, unfortunately that Declaration has little to no force. But...

Good points - we also have the case of the Author's Guild vs Google, where Google was doing mass scanning of copyrighted books...

As other legal scholars have said, but it will ultimately be up to the courts to decide (or legislators): training on copyrighted works...