➀ Researchers from MIT and other institutions have developed a design framework for controlling ultrasound wave propagation in microscale acoustic metamaterials; ➁ The framework involves precisely positioning microscale spheres to tune how ultrasound waves travel through 3D microscale metamaterials; ➂ The work enables tunable elastic-wave velocities within microscale materials and demonstrates an acoustic demultiplexer, paving the way for microscale devices useful for ultrasound imaging or information transmission.

➀ MIT physicists predict the creation of an exotic form of matter that could be used to form qubits for more powerful quantum computers; ➁ The discovery is based on materials that allow electrons to split into fractions without a magnetic field; ➂ Non-Abelian anyons, which have the ability to 'remember' their spacetime trajectories, could be created in moiré materials composed of molybdenum ditelluride.

➀ Silicon transistors face a physical limit known as 'Boltzmann tyranny' that affects energy efficiency; ➁ MIT researchers developed 3D transistors using ultrathin semiconductor materials to overcome this limit; ➂ The new transistors operate efficiently at lower voltages and have the potential to replace silicon in electronics for better energy efficiency.

➀ MIT researchers develop wearable devices for individual cells; ➁ These subcellular-sized devices are battery-free and made of a soft polymer; ➂ They can measure or modulate a neuron’s electrical and metabolic activity at a subcellular level.

➀ MIT researchers have demonstrated fully 3D-printed resettable fuses, key components of active electronics; ➁ The devices are made using standard 3D printing hardware and an inexpensive, biodegradable material; ➂ While not performing as well as silicon-based transistors, they could be used for basic control operations like regulating the speed of an electric motor.

➀ MIT researchers report on magnetic nanodiscs for non-invasive brain stimulation; ➁ The nanodiscs could be injected into the brain and activated by an external magnetic field; ➂ The technology could lead to therapies without implants or genetic modification.

➀ MIT engineers have developed an ultra-small zinc-air battery, measuring 0.1mm in length, for autonomous micro-robots. ➁ This battery can power tiny circuits and sensors, freeing micro-robots from solar dependence. ➂ Potential applications include drug delivery within the human body and detecting gas pipeline leaks.

1. MIT engineers have developed a method to produce hydrogen using purified aluminum from soda cans mixed with seawater, accelerated by caffeine. 2. This technology aims to power marine and underwater vehicles by creating a compact reactor that generates hydrogen on demand. 3. The researchers plan to test the reactor in marine environments, estimating that 40 pounds of aluminum pellets could power a small underwater glider for 30 days.

❶ MIT scientists have developed a new ferroelectric material transistor with nanosecond switching speeds and exceptional durability. ❷ This technology could significantly enhance high-performance computing and energy efficiency, particularly crucial for AI technologies. ❸ The transistor shows no signs of degradation after 100 billion switches, potentially revolutionizing archival flash storage.

1. MIT engineers have identified key traits for fast proton conduction and found six promising candidates. 2. Solid acids are likely to be fast proton conductors, based on computer simulations. 3. These materials could enhance fuel cells, clean fuel electrolyzers, proton batteries, and iono-electronic devices.

1. MIT scientists have developed a new method for long-term DNA preservation inspired by the concept of Jurassic Park. 2. The method involves storing DNA in an amber-like polymer, which is easier to embed and extract compared to traditional freezing or silica embedding methods. 3. This new approach is highly scalable and offers a promising solution for preserving genetic information over extended periods.