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Jul 29, 2022

NOTHING: The Science of Emptiness

Posted by in categories: cosmology, particle physics, science

Why is there something rather than nothing? And what does ‘nothing’ really mean? More than a philosophical musing, understanding nothing may be the key to unlocking deep mysteries of the universe, from dark energy to why particles have mass. Journalist John Hockenberry hosts Nobel laureate Frank Wilczek, esteemed cosmologist John Barrow, and leading physicists Paul Davies and George Ellis as they explore physics, philosophy and the nothing they share.

This program is part of the Big Ideas Series, made possible with support from the John Templeton Foundation.

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Jul 29, 2022

You Can Build A Giant 7-Segment Display Of Your Very Own

Posted by in category: internet

Sometimes you need to display a number nice and large, making it easily readable at a good distance. [Lewis] has just the thing for that: a big expandable 7-segment display.

The build is modular, allowing it to be extended from 2 to 10 digits and beyond. The digits themselves are made of 3D-printed parts assembled onto acrylic. These can then be ganged up in a wooden frame for displaying larger numbers with more digits. Individual elements are lit by addressable LEDs, and the project can be built using an Arduino Nano or an ESP8266 for control. The latter opens up possibilities for controlling the screen over WiFi, which could prove useful.

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Jul 29, 2022

Ultrafast Switch from a Bose-Einstein Condensate

Posted by in categories: internet, quantum physics

On the road to a quantum internet, researchers demonstrate entanglement of two memory elements located 12.5 km apart in an urban environment.

Jul 29, 2022

Distant Memories Entangled

Posted by in categories: internet, quantum physics

On the road to a quantum internet, researchers demonstrate entanglement of two memory elements located 12.5 km apart in an urban environment.

Jul 29, 2022

A Tiny Photonic Nose Captures Odor Fingerprints

Posted by in category: food

A bio-inspired detector the size of a US penny can identify the unique odor profiles of different gases, something that could help in detecting food freshness and product counterfeits and in designing new cosmetics.

Jul 29, 2022

Does Superdeterminism save Quantum Mechanics? Or does it kill free will and destroy science?

Posted by in categories: mathematics, neuroscience, quantum physics, science

Check out the math & physics courses that I mentioned (many of which are free!) and support this channel by going to https://brilliant.org/Sabine/ where you can create your Brilliant account. The first 200 will get 20% off the annual premium subscription.

This is a video I have promised you almost two years ago: How does superdeterminism make sense of quantum mechanics? It’s taken me a long time to finish this because I have tried to understand why people dislike the idea that everything is predetermined so much. I hope that in this video I have addressed the biggest misconceptions. I genuinely think that discarding superdeterminism unthinkingly is the major reason that research in the foundations of physics is stuck.

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Jul 29, 2022

They Found Another Species of Human Beings

Posted by in categories: law, media & arts, transportation

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Jul 29, 2022

MIT engineers develop stickers that can see inside the body

Posted by in category: biotech/medical

MIT engineers designed an adhesive patch that produces ultrasound images of the body. The stamp-sized device sticks to skin and can provide continuous ultrasound imaging of internal organs for 48 hours.

Jul 29, 2022

Pinpointing Consciousness in Animal Brain Using Mouse ‘Brain Map’

Posted by in categories: mapping, robotics/AI

Summary: Brain mapping study identifies important neural networks and their connections that appear to enhance the conscious experience.

Source: University of Tokyo

Science may be one step closer to understanding where consciousness resides in the brain. A new study shows the importance of certain types of neural connections in identifying consciousness.

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Jul 29, 2022

Gene that causes deadliest brain tumor also causes childhood cancers, new research shows

Posted by in categories: biotech/medical, health, neuroscience

A gene that University of Virginia (UVA) Health researchers have discovered is responsible for the deadliest type of brain tumor is also responsible for two forms of childhood cancer, the scientists have found.

The new discovery may open the door to the first targeted treatments for two types of , a cancer of the soft tissue that primarily strikes young children.

The gene may also play an important role in other cancers that form in muscle, fat, nerves and other connective tissues in both children and adults, the research suggests.