#58 Daily Tech: Free online textbooks really work

Free online textbooks really work

And other lessons from a decade of making digital tools for teachers. If you haven’t directly experienced the pandemic’s impact on education—the months of learning that students have tragically lost, and the disproportionate impact on low-income students—you almost certainly have heard about it.

MIT invents $4 solar desalination device

MIT has developed a $4 solar desalination device that could provide a family of four with all the drinking water it needed to survive.

When Cities Treated Cars as Dangerous Intruders

Too many urban Americans in the 1920s, the car and its driver were tyrants that deprived others of their freedom.

The looming copper crunch and why recycling can’t fix it

In 2021, global electric vehicle sales hit 6.6 million – more than double the 3 million in sales in 2020 — meaning EVs made up 9% of the global car market last year. That’s the good news, from a decarbonization standpoint.

Why do tree-based models still outperform deep learning on tabular data?

While deep learning has enabled tremendous progress on text and image datasets, its superiority on tabular data is not clear.

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