Dagfinn Reiersøl

Dagfinn Reiersøl

Dagfinn Reiersøl is a software developer and author of PHP in Action. You can follow him on Twitter @dagfinnr.

Reassessing the Guidance on Face Masks

Reassessing the Guidance on Face Masks

The efficacy of face masks for limiting the spread of SARS-CoV-2 remains uncertain and hotly contested. Recommendations vary between countries as do the reasons given. In Norway, where I live, masks are not considered necessary because very few people are infected, and efforts to contain the spread of the virus

Dagfinn Reiersøl
Dagfinn Reiersøl
6 min read
COVID-19
Climate Change—Assessing the Worst Case Scenario

Climate Change—Assessing the Worst Case Scenario

Does a thinking person today have a chance of figuring out what to think about climate change? On the one hand, we are told there is a scientific consensus that humans are changing the climate. On the other hand, the most pessimistic future scenarios strain our credulity. The most extreme

Dagfinn Reiersøl
Dagfinn Reiersøl
10 min read
Environment