元の名称記録: Massachusetts Institute of Technology

An aluminum alloy with high strength at high temperature includes an aluminum matrix with over 80 molar % aluminum and L1precipitate phases having a maximum dimension no greater than 20 nm in the aluminum matrix. The L1precipitate phases have a formula of AlM, wherein M in the L1precipitate phases comprises at least one of erbium and zirconium. This alloy and other compositions as well as the processing conditions for producing the compositions can be formulated via a computer-implemented method involving evaluation of material properties of simulated products formed from a plurality of precursor compositions.

An approach to optimizing heating, ventilation, and air conditioning (HVAC) temperature setpoints in multi-zone buildings uses a graph-based reinforcement learning framework enhanced with transfer learning. A thermal interaction graph is constructed from spatially distributed building zones, where nodes represent individual rooms or spaces and edges represent thermal or physical relationships. Environmental and operational data, including occupancy, temperature, and weather conditions, are encoded into the graph and processed by a graph neural network to generate a dynamic thermal state representation. A reinforcement learning agent is trained using this representation to learn control policies that adjust HVAC setpoints in real time to minimize energy consumption while maintaining occupant comfort. Transfer learning techniques are employed to adapt pretrained models from one building or zone configuration to another, significantly reducing training time and improving scalability across diverse building types. The system integrates with building management systems (BMS) via programmable interfaces, enabling real-time setpoint optimization.

A unified quantum network architecture is introduced that seamlessly applies to all memory types while sharply reducing experimental overhead. The scheme depends on the following elements: A unified quantum network framework based on photon heralding. As a unified quantum network framework, a scheme for optically heralded entanglement that applies to superconductor-to-optical interfaces equally as to other memory-photon interfaces (such as spin-photon interfaces. and others). To address the challenges noted above. a scheme termed “Universal Quantum Bus” (UQB) is introduced. UQB is described for connecting diamond color centers across a telecom fiber network. however the scheme works equally for all other memory types.

Aspects of the present disclosure relate to a 3D-millimeter wave integrated circuit (3D-mmWIC configured to improve the efficiency and functionality of radio-frequency (RF) circuits through a multi-material, multi-layered architecture. These aspects can integrate silicon-based complementary metal-oxide semiconductor (CMOS) technology with other semiconductor materials, including Gallium Nitride (GaN), graphene, and/or various semiconductor alloys from the periodic table's Groups II-VI and/or III-V. The 3D-mmWIC can employ a layered structure comprising a silicon substrate, interleaved dielectric layers with embedded metal regions of varying thicknesses and lengths, a semiconductor layer, and/or additional oxide and dielectric layers. This architecture can enable the integration of multiple source, drain, and gate modules, interconnected via a sophisticated metal/oxide network. The disclosed integrated circuit architecture can provide significant advancements in RF circuit integration, offering reductions in size and cost while increasing design flexibility and performance.