Bicycling on MSN

We Tested Dozens of Cheap E-Bikes, and Several Are Already Seeing Black Friday Pricing

A look at the budget e-bikes that performed best in testing, including models now marked down for Black Friday.
Bicycling on MSN

The Best Electric Bikes of 2025, Based on Our Testing, and Many Are Already on Black Friday Sale

These 16 electric bikes are redefining how we ride in 2025—and many of our favorites are already marked down for Black Friday ...
The Economist

Geothermal’s time has finally come

Traditional geothermal works only in places where heat of 150°C to 200°C and permeable fractures happen to occur within 4km ...
Barron's

Wingstop and Cava Are Expanding Fast. Can Sales Catch Up?

Fast-casual restaurant chains are opening new stores at an aggressive pace. Whether they can copy the success of their existing stores will be key to a rebound in their stock prices.
IEEE

Modeling and Fast Evaluation of Cogging Torque in Halbach Array Surface-Mounted Permanent Magnet Motors Considering Manufacturing Tolerances

Abstract: Manufacturing tolerances usually result in additional cogging torque harmonics in surface-mounted permanent magnet synchronous motors (SPMSMs), which may lead to an increase in cogging ...