Detailed price information for Vr Resources Ltd (VRR-X) from The Globe and Mail including charting and trades.

Read-backward Polyphase sorting provides more efficient use of the tapes available to a sort than most other sorting techniques. Backward Polyphase produces a continuous merging process from n - 1 ...

A variation of the polyphase merge technique of sorting is described which permits one tape at a time to be rewound while the merge is continued on the remaining tapes. The result is the overlapping ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

Adaptive SoCs in AMD’s Versal RF series integrate direct RF sampling data converters, dedicated DSP hard IP, and AI engines in a single chip. The devices offer wideband-spectrum observability and up ...

This paper presents the magnetic design of a high-frequency three-phase rotary transformer for Wound Rotor Synchronous Motors (WRSM). The traditional DC field excitation of the WRSM is highly ...

Researchers at Oak Ridge National Laboratory (ORNL) have successfully demonstrated the first 270-kW wireless electric vehicle (EV) charging technology. A team at the Department of Energy’s institution ...

Oak Ridge National Laboratory used a Porsche Taycan for the test, designing the most lightweight charging system in the world per kilowatt. Inductive charging has shown promise in the past, but in the ...

While EV charging isn’t that tedious with a cable, for quick trips, being able to just park and have your car automatically charge would be more convenient. Researchers from Oak Ridge National Lab ...

ORNL’s Omer Onar, left, power electronics research lead, discusses the 270-kW wireless charging system’s lightweight polyphase electromagnetic coupling coil, pictured in foreground, with Lee Slezak, ...