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Aug 5, 2019

Stem cell map shows how immortal invertebrate regenerates itself

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

Our bodies do a decent enough job of repairing themselves, able to patch up wounds, fight off infections and even heal broken bones. But that only applies up to a certain point – lose a limb, for example, and it’s not coming back short of a prosthesis. Other creatures have mastered this skill though, and now scientists at the University of California Davis (UC Davis) and Harvard have sequenced the RNA transcripts for the immortal hydra and figured out how it manages to do just that.

Aug 5, 2019

Sci-Fi From the Future

Posted by in categories: bioengineering, biotech/medical, entertainment, genetics, robotics/AI

(repeat) Are you ready to defer all your personal decision-making to machines? Polls show that most Americans are uneasy about the unchecked growth of artificial intelligence. The possible misuse of genetic engineering also makes us anxious. We all have a stake in the responsible development of science and technology, but fortunately, science fiction films can help.

The movies Ex Machina and Jurassic Park suggest where A.I. and unfettered gene-tinkering could lead. But even less popular sci-fi movies can help us imagine unsettling scenarios regarding over-population, smart drugs, and human cloning.

And not all tales are grim. The 1951 film, The Man in the White Suit, weaves a humorous story of materials science run amok.

Aug 5, 2019

List of Nikola Tesla patents

Posted by in category: innovation

Nikola Tesla was an inventor who obtained around 300 patents[1] worldwide for his inventions. Some of Tesla’s patents are not accounted for, and various sources have discovered some that have lain hidden in patent archives. There are a minimum of 278 patents[1] issued to Tesla in 26 countries that have been accounted for. Many of Tesla’s patents were in the United States, Britain, and Canada, but many other patents were approved in countries around the globe.[2] Many inventions developed by Tesla were not put into patent protection.

Aug 5, 2019

Windows users: Patch your Nvidia GPU drivers to stop attackers running malware

Posted by in category: cybercrime/malcode

Graphics chip maker Nvidia is urging users to install new security updates that address one high-severity flaw and four others that can be exploited by attackers.

Aug 5, 2019

‎Quinn Sena‎ to Lifeboat Foundation

Posted by in category: lifeboat

Aug 5, 2019

Fisker Claims New Solid-State Battery Patents Could Lead to 500-Mile EV Range, 1-Minute Charge Times

Posted by in categories: sustainability, transportation

The future could be here before we know it. On Monday, Fisker Inc.—the company behind the Tesla Model S-fighting EMotion picture above—announced that it had filed patents for a new type of battery technology that could put electric cars with 500-plus mile ranges and one-minute recharging times on the roads as soon as the year 2024.

While Fisker’s press release was, unsurprisingly, a tad cagey about the details of this potentially paradigm-shattering technology, the company did reveal a few bits about what its new inventions and discoveries could do. Fisker’s new power storage technology, according to the company, would allow it to build solid-state batteries packing far more surface area than existing flat thin-film solid-state electrodes can do, while also allowing for greater conductivity, allowing the batteries to work better in cold weather and charge faster overall. (Low levels of conductivity has been one of the key problems preventing the widespread adoption of solid-state batteries so far, so this could potentially be, as Michael Scott might say, a B.F.D.)

Due to the complexities of bringing the new technology to market, such as developing supply chains for some raw materials and setting up property quality control measures for them, Fisker says the technology isn’t likely to reach cars and trucks until sometime after 2023. Once it does, however, the company claims the batteries—2.5 times more power-dense than their lithium ion equivalents—could lead to electric vehicles capable of recharging in less time than it takes to fill a modern car’s gas tank, then driving more than 500 miles before needing to power up again. Oh, and the carmaker says the batteries would cost about one-third as much as li-ion ones, to boot. (That said, Fisker did mention that there are still plenty of “technical bottlenecks” between where the tech is now and where it needs to be for production use, so don’t get too excited just yet.)

Aug 5, 2019

Polyphase reaction synchronous motors

Posted by in category: sustainability

THE reaction synchronous motor in its present form (salient-pole rotor without field coils) is one of the oldest types of electric motors, antedating the i.

Aug 5, 2019

Application filed by Klaus L Hansen

Posted by in category: futurism

Dec. 23, 1952 K. L. HANSEN 2,623,201

SYNCHRONOUS MOTOR Filed Aug. 5, 1950 s Sheets-Sheet 1 1 A0/d577i645 l i A? AZ v fl/Z INVEN TOR. M 13 Z. 351151 1? 2 m WWW; filth/way Dec. 23, 1952 K. L. HANSEN 2,623,201.

Aug 5, 2019

Polyphase system

Posted by in category: energy

A polyphase system is a means of distributing alternating-current electrical power where the power transfer is constant during each electrical cycle. Polyphase systems have three or more energized electrical conductors carrying alternating currents with a defined phase angle between the voltage waves in each conductor; for three-phase voltage, the phase angle is 120° or ~2.09 radians. Polyphase systems are particularly useful for transmitting power to electric motors which rely on alternating current to rotate. The most common example is the three-phase power system used for industrial applications and for power transmission. Compared to a single-phase, two-wire system, a three-phase three-wire system transmits three times as much power for the same conductor size and voltage.

Systems with more than three phases are often used for rectifier and power conversion systems, and have been studied for power transmission.

Aug 5, 2019

Tesla Polyphase Induction Motors

Posted by in category: futurism

Most AC motors are induction motors. Induction motors are favored due to their ruggedness and simplicity. In fact, 90% of industrial motors are induction motors.

Nikola Tesla conceived the basic principles of the polyphase induction motor in 1883 and had a half horsepower (400 watts) model by 1888. Tesla sold the manufacturing rights to George Westinghouse for $65,000.

Most large ( 1 hp or 1 kW) industrial motors are polyphase induction motors. By polyphase, we mean that the stator contains multiple distinct windings per motor pole, driven by corresponding time-shifted sine waves. In practice, this is two or three phases. Large industrial motors are 3-phase. While we include numerous illustrations of two-phase motors for simplicity, we must emphasize that nearly all polyphase motors are three-phase. By induction motor, we mean that the stator windings induce a current flow in the rotor conductors, like a transformer, unlike a brushed DC commutator motor.