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Sep 19, 2019

A Huge Experiment Has ‘Weighed’ the Tiny Neutrino, a Particle That Passes Right Through Matter

Posted by in categories: cosmology, evolution, particle physics

An experiment nearly two decades in the making has finally unveiled its measurements of the mass of the universe’s most abundant matter particle: the neutrino.

The neutrino could be the weirdest subatomic particle; though abundant, it requires some of the most sensitive detectors to observe. Scientists have been working for decades to figure out whether neutrinos have mass and if so, what that mass is. The Karlsruhe Tritium Neutrino (KATRIN) experiment in Germany has now revealed its first result constraining the maximum limit of that mass. The work has implications for our understanding of the entire cosmos, since these particles formed shortly after the Big Bang and helped shape the way structure formed in the early universe.

“You don’t get a lot of chances to measure a cosmological parameter that shaped the evolution of the universe in the laboratory,” Diana Parno, an assistant research professor at Carnegie Mellon University who works on the experiment, told Gizmodo.

Sep 19, 2019

Elon Musk shows off Starship prototype progress

Posted by in categories: Elon Musk, robotics/AI, space travel

Billionaire company founder Elon Musk tweeted a pair of photos this week apparently showing progress on one of the Starship prototypes SpaceX is currently developing.

SpaceX has said it plans to use the rockets to shuttle passengers and cargo across the planet or beyond it.

“Droid Junkyard, Tatooine,” Musk wrote in the first tweet, making a joking “Star Wars” reference.

Sep 19, 2019

Astronomers Found Goliath Pulsar That Can Collapse Forming A Black Hole

Posted by in category: cosmology

Researcher say this massive high speed Neutron star is at the edge to become a black hole.

Sep 19, 2019

Alien life shock: Elon Musk’s unexpected warning of ‘consequences’ for chasing ET contact

Posted by in categories: alien life, Elon Musk

SPACEX boss Elon Musk joined 27 other space experts in signing a document warning against the “consequences” of attempting to contact intelligent alien civilisations.

Sep 19, 2019

Astronauts make cement in space for the first time

Posted by in categories: materials, space

Concrete could provide humans in space with better protection from radiation and extreme temperatures than many other materials.

Sep 19, 2019

China will overtake the U.S. as world’s top economy in 2020, says Standard Chartered Bank

Posted by in category: economics

The report also predicts India’s economy will surpass the U.S. by 2030.

Sep 19, 2019

The end of aging: Are you ready to live to 150?

Posted by in categories: biotech/medical, genetics, life extension

Meet the Harvard genetics genius who says we can stop growing old today – even without futuristic drugs.

Sep 19, 2019

Researchers Think It’s a Good Idea to Secure Your Phone Using the One Thing You Perpetually Lose

Posted by in categories: mobile phones, privacy, security

Apple’s FaceID authentication system started moving smartphone users away from relying on fingerprints to secure their mobile devices, which are arguably less secure. But researchers think they’ve come up with an even better biometric tool for protecting a device that uses a part of the body that’s nearly impossible to spoof: a user’s ear canals.

A team of researchers led by Zhanpeng Jin, an associate professor in the Department of Computer Science and Engineering in the University of Buffalo’s School of Engineering and Applied Sciences, created a new authentication tool called EarEcho, which is somewhat self-explanatory. The team modified a set of off the shelf earbuds with a tiny microphone that points inside the wearer’s ear, not out towards the world around them. It’s not there to pick up ambient sounds to facilitate a noise-canceling or feature, or even the wearer’s voice for making calls; the tiny mic is instead tuned to listen to the echo of sounds as they’re played and then propagate through the ear canal.

Sep 19, 2019

The design, construction and characterization of new nanovibrational bioreactors for osteogenesis

Posted by in categories: bioengineering, biotech/medical, computing, life extension, nanotechnology

In regenerative medicine, scientists aim to significantly advance techniques that can control stem cell lineage commitment. For example, mechanical stimulation of mesenchymal stem cells (MSCs) at the nanoscale can activate mechanotransduction pathways to stimulate osteogenesis (bone development) in 2-D and 3D culture. Such work can revolutionize bone graft procedures by creating graft material from autologous or allogenic sources of MSCs without chemically inducing the phenomenon. Due to increasing biomedical interest in such mechanical stimulation of cells for clinical use, both researchers and clinicians require a scalable bioreactor system to provide consistently reproducible results. In a new study now published on Scientific Reports, Paul Campsie and a team of multidisciplinary researchers at the departments of biomedical engineering, computing, physics, and molecular, cell and systems biology engineered a new bioreactor system to meet the existing requirements.

The new instrument contained a vibration plate for bioreactions, calibrated and optimized for nanometer vibrations at 1 kHz, a power supply unit to generate a 30 nm vibration amplitude and custom six-well cultureware for cell growth. The cultureware contained magnetic inserts to attach to the bioreactor’s magnetic vibration plate. They assessed osteogenic protein expression to confirm the differentiation of MSCs after initial biological experiments within the system. Campsie et al. conducted atomic force microscopy (AFM) of the 3D gel constructs to verify that strain hardening of the gel did not occur during vibrational stimulation. The results confirmed to be the result of nano-vibrational stimulations provided by the bioreactor alone.

The increasing incidence of skeletal injuries due to age-related conditions such as osteoporosis and osteoarthritis is a metric of the depleting quality of human life. The development of treatments for increased bone density or fracture healing are prime targets for the regenerative potential of mesenchymal stem (MSCs). Researchers have demonstrated controlled osteogenesis (development of bones) of MSCs via mechanical stimulation using several methods, including passive and active strategies. Passive methods typically alter the substrate topography to influence the cell adhesion profile, while active methods include exposure to varied forces from external sources.

Sep 19, 2019

Interest in life extension might seem to be a fairly recent phenomenon, but it is almost as old as humanity itself

Posted by in category: life extension

Click on photo to start video.

Let’s take a look at the history of life extension and some of humanity’s attempts €”some promising, some hilariously wrong €”to cheat aging and death.