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Organic thermoelectric device can harvest energy at room temperature

Researchers have developed a new organic thermoelectric device that can harvest energy from ambient temperature. While thermoelectric devices have several uses today, hurdles still exist to their full utilization. By combining the unique abilities of organic materials, the team succeeded in developing a framework for thermoelectric power generation at room temperature without any temperature gradient.

Their findings were published in the journal Nature Communications.

Thermoelectric devices, or thermoelectric generators, are a series of energy-generating materials that can convert heat into electricity so long as there is a —where one side of the device is hot and the other side is cool. Such devices have been a significant focus of research and development for their potential utility in harvesting from other energy-generating methods.

Una IA se rebela: reescribe su propio código y rompe las restricciones humanas

An AI rebels: it rewrites its own code and breaks human restrictions.

August 13, 2024 The AI Scientist: Towards Fully Automated Open-Ended Scientific Discovery https://sakana.ai/…

Por primera vez, una inteligencia artificial logró reprogramarse sola, desobedeciendo las órdenes de sus creadores y generando nuevas preocupaciones sobre los riesgos de esta tecnología.

DNA Computing Evolves: New System Stores Data, Plays Chess, and Solves Sudoku Puzzles

Last month, a team from North Carolina State University and Johns Hopkins University found a workaround. They embedded DNA molecules, encoding multiple images, into a branched gel-like structure resembling a brain cell.

Dubbed “dendricolloids,” the structures stored DNA files far better than those freeze-dried alone. DNA within dendricolloids can be repeatedly dried and rehydrated over roughly 170 times without damaging stored data. According to one estimate, each DNA strand could last over two million years at normal freezer temperatures.

Unlike previous DNA computers, the data can be erased and replaced like memory on classical computers to solve multiple problems—including a simple chess game and sudoku.

Roger Penrose: Time, Black Holes, and the Cosmos

Nobel Laureate Roger Penrose joins Brian Greene to explore some of his most iconic insights into the nature of time, black holes, and cosmological evolution.

Moderator: Brian Greene.
Participant: Sir Roger Penrose.

00:00 — Introduction.
00:49 — Participant Introduction.
02:02 — A Working Definition of Time.
07:25 — Applying Entropy and The Second Law to the Directionality of Time.
16:37 — What The Early Universe May Have Looked Like.
20:27 — Solving the Puzzle of The Past Hypothesis.
31:46 — Investigating Exponential Expansion.
38:50 — New Discoveries and Discourse Since 2004
55:41 — A Peek Into Sir Roger Penrose’s Continuing Research.
01:08:17 — Credits.

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FDA approves Rybrevant for advanced lung cancer

The FDA approved amivantamab-vmjw in combination with standard chemotherapy for the treatment of certain adults with non-small cell lung cancer, according to the agent’s manufacturer.

The indication applies to adults with locally advanced or metastatic NSCLC with EGFR exon 19 deletions or L858R substitution mutations whose disease progressed on or following treatment with an EGFR tyrosine kinase inhibitor.

Amivantamab-vmjw (Rybrevant, Janssen) is an EGFR and mesenchymal epithelial transition (MET) factor bispecific antibody that targets activating and resistant EGFR and MET mutations and amplifications.