Concrete
is the second most-consumed substance on Earth after water, but its
production is a major source of carbon emissions. "Living Concrete"
represents a shift toward regenerative architecture. By embedding
Cyanobacteria into a scaffold of sand and hydrogel, researchers have
created a material that is biologically active. When a crack forms and
moisture enters, the bacteria are "awakened," consuming nutrients and
excreting calcium carbonate (limestone) to fill the void. Theoretically,
these structures remain alive for weeks and can even be used to grow
new bricks through asexual reproduction of the bacteria. This technology
reduces maintenance costs for bridges and skyscrapers while actively
sequestering carbon, turning our urban environments into massive carbon
sinks that help regulate the global climate.
:: source :: University of Colorado Boulder //// M.J. = Matter Journal
Quantum teleportation is essential for many quantum information
technologies, including long-distance quantum networks. Using
fiber-coupled devices, including state-of-the-art low-noise
superconducting nanowire single-photon detectors and off-the-shelf
optics, we achieve conditional quantum teleportation of time-bin qubits
at the telecommunication wavelength of 1536.5 nm. We measure
teleportation fidelities of ≥90% that are consistent with an analytical
model of our system, which includes realistic imperfections. To
demonstrate the compatibility of our setup with deployed quantum
networks, we teleport qubits over 22 km of single-mode fiber while
transmitting qubits over an additional 22 km of fiber. Our systems,
which are compatible with emerging solid-state quantum devices, provide a
realistic foundation for a high-fidelity quantum Internet with
practical devices.
Teleportation Systems
Toward A Quantum Internet
https://authors.library.caltech.edu/records/y9wcb-m1n60
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Linus Torvalds, the mind behind Linux and Git, revolutionized modern
computing with his groundbreaking contributions. In 1991, while
studying computer science at the University of Helsinki, he developed
Linux—a free, open-source alternative to Unix. What started as a
small project quickly became a tech powerhouse, known for its
stability, security, and dominance in servers and critical systems
worldwide. In 2005, Torvalds took collaboration to the next level by
creating Git, which transformed how
developers work together, making it an essential tool for coding
projects across the globe. https://github.com/torvalds/AudioNoise
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