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Nov 13, 2019

Multimaterial 3D printing manufactures complex objects, fast

Posted by in categories: 3D printing, engineering, law, physics

3D printers are revolutionizing manufacturing by allowing users to create any physical shape they can imagine on-demand. However, most commercial printers are only able to build objects from a single material at a time and inkjet printers that are capable of multimaterial printing are constrained by the physics of droplet formation. Extrusion-based 3D printing allows a broad palette of materials to be printed, but the process is extremely slow. For example, it would take roughly 10 days to build a 3D object roughly one liter in volume at the resolution of a human hair and print speed of 10 cm/s using a single-nozzle, single-material printhead. To build the same object in less than 1 day, one would need to implement a printhead with 16 nozzles printing simultaneously!

Now, a new technique called multimaterial multinozzle 3D (MM3D) printing developed at Harvard’s Wyss Institute for Biologically Inspired Engineering and John A. Paulson School of Engineering and Applied Sciences (SEAS) uses high-speed pressure valves to achieve rapid, continuous, and seamless switching between up to eight different printing materials, enabling the creation of complex shapes in a fraction of the time currently required using printheads that range from a single nozzle to large multinozzle arrays. These 3D printheads themselves are manufactured using 3D printing, enabling their rapid customization and facilitating adoption by others in the fabrication community. Each nozzle is capable of switching materials at up to 50 times per second, which is faster than the eye can see, or about as fast as a hummingbird beats its wings. The research is reported in Nature.

“When printing an object using a conventional extrusion-based 3D printer, the time required to print it scales cubically with the length of the object, because the printing nozzle has to move in three dimensions rather than just one,” said co-first author Mark Skylar-Scott, Ph.D., a Research Associate at the Wyss Institute. “MM3D’s combination of multinozzle arrays with the ability to switch between multiple inks rapidly effectively eliminates the time lost to switching printheads and helps get the scaling law down from cubic to linear, so you can print multimaterial, periodic 3D objects much more quickly.”

Nov 13, 2019

Can we Live Forever? (Full Documentary)

Posted by in categories: 3D printing, bioengineering, bioprinting, biotech/medical, cryonics, economics, education, ethics, genetics, law, life extension, nanotechnology, singularity

TABLE OF CONTENTS —————
0:00–17:57 : Introduction (Meaning of Life)
17:58–37:45 CHAPTER 1: Longevism and Life Extension
—————————————————————————————–
WHY DOES AGING HAPPEN?
—————————————————————————————–
37:46–54:39 CHAPTER 2 : Gerontonology and Aging a. Free Radical Theory of Aging b. Waste Accumulation Theory of Aging c. Stem Cell Theory of Aging d. DNA Damage Theory of Aging.
—————————————————————————————–
HOW DO WE CURE AGING?
—————————————————————————————–
54:39–1:08:39 : CHAPTER 3 :The Biochemical Solution (#1)
a. mitoSENS
b. oncoSENS
c. lysoSENS
d. amyloSENS
e. apoptoSENS
f. repliSENS
g. glycoSENS
1:08:40–2:13:12 CHAPTER 4 : The Physiological Solution (#2)
a. Parabiosis and Biovampirism b. Regeneration and Stem Cells c. Lab Grown Organs and Bioprinting d. Head Transplants and Doppleganger Bodies.
2:13:12–2:33:19 CHAPTER 5 : The Genetic Solution (#3)
a. TALEN genetic engineering b. Zinc-Finger gene tailoring c. CRISPR-Cas9 gene editing.
—————————————————————————————–
WILL WE CURE AGING GENETICALLY?
—————————————————————————————–
2:33:20–2:49:58 : CHAPTER 6 : Genomics and DNA
2:49:59–3:05:48 : CHAPTER 7 : Transcriptomics and RNA
3:05:49–3:22:08 : CHAPTER 8 : Proteomics and TNA
3:22:09–3:39:38 : CHAPTER 9 : Xenobiology and XNA
a. alien proteins b. alien base pairs c. alien DNA
3:39:39–3:54:58 : CHAPTER 10 : Vectors and Gene Therapy (Gene Editing #1)
3:54:59–4:14:57 : CHAPTER 11 : Synthetic Biology (Gene Editing #2)
4:14:58–4:32:14 : CHAPTER 12 : Chimeras, Rianths, and Splices (Gene Editing #3)
4:32:15–4:48:35 : CHAPTER 13 : Ouroborology and Immortal Chimeras (Gene Editing #4)
4:48:36-:5:03:52 : CHAPTER 14 : Kleptoplasty and Photosynthesis (Gene Editing #5)
—————————————————————————————-
HOW TO SURVIVE UNTIL AGING IS CURED
—————————————————————————————-
5:03:53–5:14:27 : CHAPTER 15 : Survive to the Singularity a. the breakeven point b. longevity escape velocity c. the longevity dividend.
5:14:28–5:30:16 : CHAPTER 16 : Centennarians and Blue Zones (Survival Method #0)
a. loma linda b. ikaria c. sardinia d. okinawa.
5:30:17–5:42:26 : CHAPTER 17 : Risk Aversion and Micromorts (Survival Method #1)
a. micromorts
b.microlives
5:42:27–5:58:18 : CHAPTER 18 : Nutraceuticals and Geroprotectors (Survival Method #2)
a. rapamycin b. metformin c. selegilene d. nicotinamide riboside e. resverratrol.
5:58:19–6:12:51 : CHAPTER 19 : Caloric Restriction (Survival Method #3)
a. endocrine b. epigenetic c. genetic
6:12:52–6:51:57 : CHAPTER 20 : Cryonics & Cryogenics (Survival Method #4)
a. the efficacy question b. the cost question c. the resurrection question d. the identity question e. the legal question f. the catastrophe question g. the culture question.
—————————————————————————————–
CAN WE BE IMMORTAL WITHOUT CURING AGING?
—————————————————————————————–
_______________________________________________________
6:51:58–7:04:08 : CHAPTER 21 : Genetic Immortality — Test Tube Babies
7:04:09–7:24:02 : CHAPTER 22 : Genetic Immortality — Designer Babies
7:24:03–7:41:55 : CHAPTER 23 : Genetic Immortality — Clone Babies
7:41:56–7:53:08 : CHAPTER 24 : Genetic Immortality — Artificial Wombs
7:53:08–7:53:09 CHAPTER 25 : Immortalism and Ethics a. the crime argument b. the natural argument c. the boredom argument d. the inequality argument e. the overpopulation argument f. the gerontocracy argument g. the economic argument h. EPILOGUE

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Nov 5, 2019

Tesla Model 3 Performance gets stunning street-legal racing treatment from Unplugged

Posted by in categories: law, sustainability, transportation

“Unplugged Performance thoroughly reworks the suspension with a custom race valved adjustable coilover suspension kit, along with billet adjustable front upper control arms, billet adjustable rear camber and toe arms and a beefier 3 way adjustable front/rear sway bar set with uprated bushings. The highly adjustable suspension and handling capabilities pair with massive 6 piston 15.5” uprated brakes and competition brake pads. Unplugged Performance 20” wheels shod with Michelin Cup 2 tires are then fitted. The wheels are custom machined out of 6061-T6 billet APP forgings, the same forgings used by Koenigsegg and Lamborghini, and every set is FEA optimized and specifically engineered to the specific build’s desired spec and use. Wheel weights range from 19.6–21.0lbs in 20” with tire sizings up to 305mm wide.”


While Tesla is working on a track-focused Model S, the Model 3 Performance is getting its own street-legal racing treatment from Unplugged Performance.

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Nov 4, 2019

Russia just brought in a law to try to disconnect its internet from the rest of the world

Posted by in categories: cybercrime/malcode, internet, law

It’s been called an online Iron Curtain.

On Friday, a controversial law went into force that enables Russia to try to disconnect its internet from the rest of the world, worrying critics who fear the measure will promote online censorship.

The Kremlin says its “sovereign internet” law, which was signed by President Vladimir Putin in May, is a security measure to protect Russia in the event of an emergency or foreign threat like a cyberattack. The law will allow Moscow to tighten control over the country’s internet by routing web traffic through state-controlled infrastructure and creating a national system of domain names.

Nov 4, 2019

Should this tree have the same rights as you?

Posted by in category: law

Around the world, a movement is gaining momentum that grants legal rights to natural phenomena, including rivers, lakes and mountains. Robert Macfarlane investigates the rise of the new animism.

Oct 22, 2019

Search-and-replace genome editing without double-strand breaks or donor DNA

Posted by in categories: biotech/medical, law

Okay, Science time.


  • Article
  • Published: 21 October 2019

This is an unedited manuscript that has been accepted for publication. Nature Research are providing this early version of the manuscript as a service to our customers. The manuscript will undergo copyediting, typesetting and a proof review before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers apply.

Oct 19, 2019

Can scientists reverse time with a quantum computer?

Posted by in categories: computing, law, quantum physics

The universe is getting messy. Like a glass shattering to pieces or a single wave crashing onto the shore, the universe’s messiness can only move in one direction – toward more chaos and disorder. But scientists think that, at least for a single electron or the simplest quantum computer, they may be able to turn back time, and restore order to chaos. This doesn’t mean we’ll be visiting with dinosaurs or Napoleon any time soon, but for physicists, the idea that time can run backward at all is still a pretty big deal.

Normally, the universe’s trend toward disorder is a fundamental law: the second law of thermodynamics. It says more formally that any system can only move from more to less ordered, and that the chaos or disorder of a system – its entropy – can never decrease. But an international team of scientists led by researchers at the Moscow Institute of Physics and Technology think they may have discovered a loophole.

Oct 18, 2019

This New Drone Bill Would Make the Airspace Over People’s Homes Private Property

Posted by in categories: drones, habitats, law

A new proposal scheduled to be released from the office of Senator Lee (R-Utah) tomorrow would put the airspace up to 200 feet in altitude over private property under the control of the property owner – and would restrict the FAA’s right to regulate airspace below 200 feet in altitude, making any zoning or regulatory decisions the right of the state or tribal entity governing the land.

DRONELIFE received a summary of the bill from Senator Lee’s office. We may not quote from the summary, as the bill is due to be released tomorrow. In essence, the bill seeks to clarify and control two significant legal issues that remain unresolved: 1) Establish the airspace to 200 feet in altitude above private property as under the exclusive control of the property owner; and 2) Establish state, tribal and local governments as having exclusive and absolute rights to regulate that airspace.

In summary, the bill would propose that the altitude between 200 and 400 feet be designated for the use of civilian drones – although it wouldn’t prohibit the FAA from allowing drones above 400 feet. The area under 200 feet would be under the jurisdiction of state, local and tribal governments – and the bill would call for a redefinition of “navigable airspace” to make that clear.

Oct 16, 2019

Cotton Might Not Be King for Long, Hemp is Making a Comeback in Levi’s Jeans

Posted by in category: law

Hemp just became legal to grow in the United States for the first time in nearly a century. Levi’s is helping the superplant regain its reputation by blending it into its iconic denim.

Hemp is one of the most powerful plants in the world, producing twice as much fiber as cotton, using far less water and pesticides… and fixing the soil while it’s at it!

Oct 11, 2019

For $150,000 you can now order your own Hoverbike

Posted by in categories: engineering, law, transportation

Circa 2018


After first spotting this crazy looking motorcycle-styled hoverbike in early 2017, we were skeptical the contraption would ever move beyond just an odd engineering curiosity. However, Russian company Hoversurf has just revealed its hoverbikes are now ready for production and preorders are open, with delivery scheduled for sometime in 2019.

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