James Bruton’s One-Ball Bike Balances & Moves in All Directions

James Bruton’s one-ball bike balances and moves omni-directionally; each omni-wheel uses 216 bearings, but steering is ...
IEEE

Thermally Balanced DPWM Method With Neutral Point Voltage Balancing Capability for Single-Phase Five-Level T-Type NPC Inverters

Abstract: Discontinuous pulse width modulation (DPWM) is useful to improve the efficiency of a single-phase five-level T-type neutral-point-clamped (5LT-NPC) inverter and the reliability of the power ...
IEEE

A Quasi-Virtual DPWM Implemented With Split Modulation Waves for DC-Link Voltage Balancing in Four-Level π-Type Inverters

Abstract: The balance of dc-link voltages is quite a challenge in the four level (4L) π-type inverter, which is the main factor limiting its wide application. In this article, an investigation is ...

What is the ROTOR Act? House shuts down bill aimed at improving aviation safety

The Rotorcraft Operations Transparency and Oversight Reform Act was introduced by Sen. Ted Cruz (R-Texas) in July 2025, six ...