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Culture

The Billion-Dollar Mistake Hidden in America’s Buildings

Among all building factors, indoor air quality remains one of the most critical and overlooked.

  • Americans spend 90% of time indoors, with pollutant levels 2-5x higher outdoors.
  • Poor indoor air quality linked to $13.2B-$32.1B annual economic costs.
  • High-performance buildings questioned for cost-effectiveness amid rising utility costs.

Tech

Security updates for Tuesday

Security updates have been issued by AlmaLinux (frr, ldns, mingw-glib2, and perl-Archive-Tar), Debian (ruby2.7), Fedora (borgbackup, nebula, python-nh3, rust-ammonia, and seamonkey), Mageia…

Science

Physicists find unexpected connection between black hole mergers and thermodynamics

Properties of a merger remnant can be predicted using a simple entropy-maximization principle The post Physicists find unexpected connection between black hole mergers and thermodynamics appeared…

  • Unexpected link found between black hole mergers and thermodynamics
  • Study published in Physical Review Letters by US physicists
  • Aligns black hole merger final state with entropy maximization

Science

This hydrogen turbine turns controlled explosions into electricity

Scientists have successfully generated electricity with a hydrogen turbine that produces its own pressure through detonation waves instead of relying on a mechanical compressor.

  • Researchers at Karlsruhe Institute of Technology (KIT) achieve 303-second turbine operation.
  • New design eliminates need for mechanical compressor, boosting efficiency.
  • Hydrogen-powered turbine holds potential for aviation industry.

World

"Peanut butter" pay raises are out, as employers shift to merit hikes

Here's what employees can expect for a raise in 2027 as companies move away from broad-based pay increases.

  • Employers shifting from uniform "peanut butter" raises to merit-based increases
  • Base pay increase expected at 3.5% in 2027, slight rise from 3.4%
  • Aerospace and defense, pharmaceuticals to see larger pay boosts at 4.5% and 4%
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