Industry

Fitness and Training: Mainstream

Chest Straps Are Still the Reference in 2026, Even as the Best Optical Sensors Catch Up

Researchers still strap an ECG band to the chest when they need the true number. What two 2026 validation studies found about watches and…

Mainstream46 Sep 30

Most home gym floors are recycled U.S. tires. What the producer price indexes, the scrap tire figures and the July 2026 Section 301 duties…

Mainstream50 Sep 30

Free, every Friday

The five trend signals that moved most this week, with the numbers behind them. One email, no spam, unsubscribe in one click.