Little planetary embryos formed these rocky worlds.
A new study suggests Earth and Mars formed from colliding material in the inner Solar System, which could shape planetary formation theories.
Category: materials – Page 170
Micro-electromechanical systems or MEMS are tiny integrated devices that combine mechanical and electrical components. Traditional manufacturing techniques such as milling, turning, and molding become impractical at small scales so MEMS devices are fabricated using the same batch processing techniques used to fabricate integrated circuits. These devices can range in size from a few microns to several millimeters.
Because MEMS devices are a hybrid of mechanical and electronic mechanisms, they’re generally fabricated using a combination of traditional integrated circuit technologies and more sophisticated methods that manipulate both silicon and other substrates in a manner that exploit their mechanical properties.
In bulk micromachining, the substrate is removed in a manner similar to traditional integrated circuit techniques.
Surface micromachining, by comparison, is a predominantly additive in nature and is used to create more complex MEMS-based machinery. Material is deposited on the surface of the substrate in layers of thin films.
How far our safety regulations have come…
Dr Suzannah Lipscomb looks at the hidden dangers of the British post-war home. In the 1950s, people embraced modern design for the first time after years of austerity and self-denial. The modern home featured moulded plywood furniture, fibreglass, plastics and polyester — materials and technologies that were developed during World War II.
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WILLIAMSBURG, Va. (WTKR) — Habitat for Humanity made the first 3D printed home in the U.S. for a woman in Virginia.
“To have a home right before Christmas is really, really exciting,” homeowner April Stringfield said.
In July, crews broke ground on the 1,200-square-foot, three-bedroom concrete home.
A team of researchers from Europe and Asia claim to have quantum entangled frozen tardigrades, microscopic animals that are extremely hardy and can withstand practically any conditions or abuse.
According to a new controversial preprint, the researchers managed the feat by placing frozen tardigrades between two capacitor plates of a superconductor circuit to form a qubit, the quantum equivalent of a bit.
Upon contact, they say, the tardigrade changed the qubit’s frequency.
It overcame three significant challenges.
A team of researchers from the University of Technology Sydney’s Faculty of Engineering and IT has created a biosensor that clings to the skin of the face and head to detect electrical signals transmitted by the brain. Then, these signals are translated into commands to control autonomous robotic systems.
The novel biosensor has overcome three major challenges of graphene-based biosensing: corrosion, durability, and skin contact re… See more.
SpaceX lands 100th Falcon booster
Posted in materials, satellites
Exactly six years after its first successful recovery, SpaceX has landed a Falcon booster for the 100th time.
On December 21st, 2015, the first Falcon 9 V1.2 Full Thrust (Block 1) rocket lifted off from SpaceX’s Cape Canaveral LC-40 launch pad on the company’s return-to-flight mission after a catastrophic in-flight failure just six months prior. Unwilling as ever to waste an opportunity, no matter how important the mission, SpaceX – on top of debuting a major Falcon 9 upgrade – chose to take advantage of the return to flight to attempt to land a Falcon booster back on land for the first time ever. Ultimately, on top of successfully deploying multiple Orbcomm OG2 communications satellites in orbit for a paying customer, Falcon 9 booster B1019 sailed through its boostback, reentry, and landing burns without issue. About nine minutes after liftoff, the rocket ultimately touched down on a concrete “landing zone” just a few miles from where it lifted off with uncanny ease relative to SpaceX’s numerous failed attempts in the ~18 months prior.
Exactly six years later, on December 21st, 2021, Falcon 9 booster B1069 lifted off from Kennedy Space Center (KSC) Pad 39A with an upgraded, flight-proven Cargo Dragon in tow for SpaceX’s 24th International Space Station (ISS) resupply mission. CRS-24 also marked the company’s 31st and final launch of 2021, representing more successful Falcon launches completed in a single year than SpaceX had even attempted in its entire nine-year history up to the point of that first successful booster landing.
Future of
Now, scientists are on a quest to find a superconductor that can operate at room temperature and ambient pressure.
Scientists are using computer calculations to guide their search. These calculations help determine the structure and properties of the material they’re looking for, according to ScienceNews.
Some experts are skeptical that the frozen moss piglet really entered a quantum state.
A new pre-print study claims to have quantum entangled a tardigrade with two superconductor qubits, though experts are skeptical.
It’s a sports hall.
A French architecture and landscaping company from the town of Croissy-Beaubourg has completed the country’s first hempcrete public building: Pierre Chevet sports hall.
The 4,000-square foot (380 square meters) building includes an exercise hall and changing rooms. What is Hempcrete? A mixture of hemp with lime and water, the sports hall that’s made of Hempcrete is a carbon-negative building.
Hempcrete weights an eight of regular concrete hempcrete has thermal and acoustic properties, as well as being fire-resistant. Hemp can grow up to 13 feet (4 m) and can be cultivated in 90 to 120 days. It is lighter and less expensive than wood and can grow 100 times faster than an oak tree.
According to researcher Darshil Shah the Centre for Natural Material Innovation at Cambridge, hemp can capture carbon twice as effectively as a forest of trees.