Lifeboat Foundation

Theories on how to build a space elevator have been around for decades. Scientists say not only would such technology change humanity, but that we could have built one by now.

#Space #Moonshot #BloombergQuicktake.
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Continue reading “Are Space Elevators Growing Closer to Reality?” »

[Billy] has a special interest in passive hydroponics (also known as the Kratky method), which is a way of growing plants in nutrient-rich water that does not circulate. As the plant grows and liquid level drops, only the tips of the roots remain submerged while more and more of the root surface is exposed to oxygen in a harmonious balance. However, “thirsty” plant types (tomatoes, for example) throw off this balance, and the system needs to be modified. To address this, [Billy] designed and printed a passive float valve system that takes care of topping up the reservoir only when needed, without using pumps or any other electrical equipment.

Commercial or industrial float valves are too big to use in his small tanks, which led [Billy] to test dozens of DIY designs. He used everything from plastic water bottles to pipe ends, but nothing quite measured up. With 3D printing, [Billy] was able to create a sealed, lightweight float that exactly matched the housing and tube locations.

Continue reading “DIY Float Valve For Passive Hydroponics Leverages 3D Printing” »

The retinal-implant manufacturer has shifted its focus, leaving users with little or no support.

The microphone is a pretty ubiquitous piece of technology that we’re all familiar with, but what if you’re not looking to record audio in the air, and instead want to listen in on what’s happening underwater? That’s a job for a hydrophone! Unfortunately, hydrophones aren’t exactly the kind of thing you’re likely to find at the big-box electronics store. Luckily for us, [Jules Ryckebusch] picked up a few tricks in his 20-year career as a Navy submariner, and has documented his process for building a sensitive hydrophone without needing a military budget.

Continue reading “DIY Hydrophone Listens In On The Deep For Cheap” »

We can summarize this as:

Price = Demand / Supply.

When there is more demand or less supply, the price goes up. When there is less demand or more supply, the price goes down. This is basic economics.

For something so small, neurons can be quite complex—not only because there are billions of them in a brain, but because their function can be influenced by many factors, like their shape and genetic makeup.

A research team led by Daifeng Wang, a Waisman Center professor of biostatistics and medical informatics and computer sciences at the University of Wisconsin–Madison, is adapting machine learning and artificial intelligence techniques to better understand how a variety of traits together affect the way neurons work and behave.

Called manifold learning, the approach may help researchers better understand and even predict brain disorders by looking at specific neuronal properties. The Wang lab recently published its findings in two studies.

Award Helps Move Cost-Effective, Productive, Robust Wave Energy Design a Step Closer to Commercialization and Widespread Use

In 1974, Stephen Salter, a professor at the University of Edinburgh, sent his “ducks” into the Scottish seas, launching the world’s first major wave energy project. But the ocean’s rough heaves and surges proved too much for his house-sized, floating generators. Like the more recent Pelamis’ P-750 model and Aquamarine’s Oysters, they succumbed to the power they were meant to harness.

Continue reading “A Window Into the Future of Wave Energy” »

Chip crisis? What chip crisis?

AMD has finally lifted the lid on its Ryzen 6,000 series mobile chips and the core 6nm design is far more than just an optical shrink. The resulting “massive increase in yield” means far more CPUs spilling out of TSMCs foundry, which can only help an industry in a chip supply crisis.

These Zen 3+ CPUs are going to be making their way to gaming laptops soon, and promise great things for notebooks this year. Intel’s Alder Lake mobile CPUs are also going to be dropping at the same time, plus we’ve got Nvidia’s mobile 3,070 Ti and 3,080 Ti to look forward to as well. If you’ve been putting off getting a new mobile gaming machine, then your patience should pay off nicely.

Continue reading “AMD’s ‘fundamental’ 6nm Ryzen upgrade promises ‘massive increase in yield’” »

For the first time, Intel confirmed Arrow Lake will succeed Meteor Lake as a client product (Intel Core series). This is a 2024 product that will most likely utilize the same platform as Meteor Lake. The company plans to market Arrow Lake as the 15th Gen Core series, which confirms a year-to-year product release for consumers.

Intel Arrow Lake will utilize three process nodes: Intel 4, Intel 20A, and External N3 technology. For Lunar Lake, which supposedly launches in 2024+ (so 2025?), the company confirmed it will utilize Intel 18A and unnamed external technology.