When did lighthouse lens adoption occur?

 title: 'A ROMAN PHAROS. (From a Medal in the D'Estrtes' Collection.}'

In 1825, the French lighthouse authorities introduced the dioptric system of Fresnel[1]. It was adopted in England on July 1, 1836[1].


What are the common reasoning pitfalls?

 title: '10 Common Critical Thinking Mistakes and How to Avoid Them: Key Strategies for Better Decision Making -'

Common reasoning pitfalls include jumping to conclusions, where individuals make quick judgments without sufficient evidence, often influenced by emotions or cognitive shortcuts[1]. Overgeneralization, another frequent error, involves making broad claims based on limited experiences, which can lead to distorted beliefs[1].

Cognitive biases also play a significant role, such as confirmation bias, where people favor information that supports their preexisting beliefs, while ignoring contradictory evidence[2][4]. Hasty generalization occurs when broad conclusions are drawn too quickly based on inadequate data[3]. Other pitfalls include ad hominem attacks, which focus on the individual rather than the argument, and the straw man fallacy, where one's argument is misrepresented to make it easier to refute[3].

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What characterized the primitive form oflighthouses?

 title: 'The interior mechanics or light apparatus of a lighthouse'

The primitive form of the lighthouse was a blazing bonfire setup in a conspicuous position[1]. The earliest lighthouses used wood fires, and later, tallow candles[1]. These were often maintained by public and private interests[1]. Some consumed as many as 400 tons of coal per annum[1].

The shortcomings of the exposed fire were eventually realized; the side of the fire facing the sea would be black when the wind blew off the water[1]. Also, it was precisely when the wind was making a lee shore below the beacon that the more brilliant light was required[1].


What is SearchGPT by Open AI?

Vector illustration of the ChatGPT logo.

SearchGPT by OpenAI is a new AI-powered search engine currently in its prototype stage, accessible to a limited number of users and publishers. It is designed to provide quick and direct answers to queries using information gleaned from the web, presented in a conversational format with real-time updates. Users enter their questions into a textbox, and SearchGPT offers responses that include clickable links for source attribution and options for follow-up questions[2][3][4]. This prototype utilizes models from the GPT-4 family, aiming to enhance search capabilities while allowing publishers to manage how their content is displayed in results. The service is free during its initial launch, though OpenAI plans to explore monetization options later[1][2].

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Budget-Friendly DIY Organization Ideas

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Pot Racks

Hang pots and pans from the ceiling to free up cabinet space, making the kitchen feel larger and more functional. This stylish addition can enhance your kitchen decor[7].


Under-Shelf Baskets

Install under-shelf baskets in cabinets or pantries to create additional storage for snacks, baking pans, or canned goods[7].


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Over-the-Door Organizers

Use the back of doors for additional storage by installing hooks or shelves. This can be perfect for organizing cleaning supplies, hats, or bags[9].


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Cereal Box Organizers

Upcycle cereal boxes to create compartments for magazines, mail, or office supplies. This pragmatic approach helps keep paperwork sorted without buying expensive organizers[8].


Mason Jars

Use mason jars to store smaller items such as cotton balls, makeup brushes, or sewing supplies. They make it easy to see what you have and keep items readily accessible[8].


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Tissue Boxes for Trash Bags

Store plastic trash bags in an empty tissue box for easy access and neat storage[8].


Storage Ottomans

Utilize ottomans with lift-off lids to store items like games, blankets, or seasonal decor. They serve dual purposes as storage and seating[7].


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Coffee Tables with Shelves

Opt for coffee tables that include bottom shelves to store books, magazines, or decorative items[7].


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Under-bed Storage

Use rolling bins or boxes to keep seasonal clothing or shoes out of sight under your bed, freeing up valuable closet space[7].


Spice Racks

Install magnetic spice containers on the inside of cabinet doors or use a pegboard to keep spices visible and accessible[9].


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Appliance Garage

Create a dedicated space to store everyday appliances like toasters and blenders, keeping countertops clear[4].


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Lazy Susans

Use lazy Susans in deep cabinets to access items tucked away in corners easily[1].


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DIY Pegboard Wall

Create a pegboard wall in your garage or office to keep tools or crafting supplies organized and visible[7].


Wall Hooks

Install hooks for storing pots, pans, or even craft supplies. This utilizes vertical space creatively and keeps frequently used items at hand[5].


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Laundry Hamper with Compartments

Designate a two-compartment hamper to separate darks and lights, making laundry days easier[1].


Storage Ottomans

Multi-purpose furniture that also acts as seating.


Cereal Box Organizer

A simple and cost-effective way to sort papers or magazines.


Mason Jars

Clear storage for small items, keeping them visible and organized.


Over-the-Door Hooks

Convenient storage for bags, hats, or cleaning supplies.


Lazy Susan
Lazy Susan

Handy for organizing spices or condiments in the kitchen.


Under-Shelf Baskets

Extra storage in cabinets or pantries to hold snacks or baking supplies.


Wall Hooks

Versatile hooks for hanging pots, tools, or craft supplies.


DIY Pegboard

An organized way to store tools or craft materials, keeping them easily accessible.


Pot Rack

Stylish ceiling storage for pots and pans, freeing up cabinet space.


Command Center Supplies

Bulletin boards, calendars, and organizers for effective family management.


Rolling Storage Bins

Great for utilizing under-bed storage or in closets.


Clear Tupperware

To help neatly store food items in the fridge, reducing waste.


Fabric Bins

Attractive storage solutions that can fit into shelves or on desks.


Stackable Storage Drawers

Ideal for maximizing space in closets and offices.


Dry Erase Boards

Keep track of grocery lists or reminders in one central spot.


Wall-mounted Storage

Utilize vertical space effectively to keep rooms tidy.


Adjustable Shelves

Increase the functionality and organization of any closet.


Spice Racks

Keep essential spices organized and within reach.


File Organizers

For keeping documents and papers sorted and easy to find.


Magnetic Containers

Perfect for small items that need to be easily accessible without taking up counter space.



Top Books on Ancient Civilizations

Sapiens: A Brief History of Humankind

A thought-provoking book on ancient civilizations that explores the development of human societies from the Stone Age to the present day[2][5][6].


Guns, Germs, and Steel: The Fates of Human Societies

A groundbreaking book that examines how environmental and geographical factors shaped the destinies of different human societies[2][5][6][7].


The Silk Roads: A New History of the World

This book presents an exploration of the ancient trade routes and their significant impact on the cultures and societies of the world[2][5][6].


1177 B.C.: The Year Civilization Collapsed

A captivating examination of the interconnected events that led to the collapse of several ancient civilizations during the late Bronze Age[2][5][6][7].


The Rise and Fall of Ancient Egypt

A comprehensive overview that delves into the rich history and culture of ancient Egypt, from its early beginnings to its eventual decline[2][5].


The Spartans: The World of the Warrior-Heroes of Ancient Greece

An engaging book that explores Spartan culture and their military prowess, offering insights into their society[2][5].


The Ancient Maya

A detailed exploration of the history, culture, and achievements of the ancient Maya civilization[2][5].


The Aztecs: A Very Short Introduction

A concise yet comprehensive look at the Aztec civilization, covering its culture, religion, and societal structure[2][5].


The Histories

A classic work by Herodotus that chronicles the Greco-Persian Wars and provides detailed accounts of the cultures involved[2][4][6].


SPQR: A History of Ancient Rome

Mary Beard's examination of ancient Rome, focusing on political, social, and cultural aspects of Roman society across its history[1][2][4][6].


books with largest impact art of war
The Art of War

An ancient Chinese text by Sun Tzu that offers insights into strategy and leadership, applicable to various aspects of life beyond military applications[7].


The Egyptians

An exploration of ancient Egyptian culture, including their religion, architecture, and daily life[2][4].


The Mind of Egypt: History and Meaning in the Time of the Pharaohs

A book that reconstructs the mentalities and belief systems of ancient Egyptian civilization[3].


Legends of the Ancient World

A collection of tales from various ancient cultures that offers insight into their beliefs and traditions[7].


The Ancient Near East: A Very Short Introduction

An overview of the significant civilizations in the ancient Near East, their contributions to human development, and historical interactions[2][5].


The Roman Empire: A Very Short Introduction

A concise account of the rise and fall of the Roman Empire and its lasting impact on the world[2][5].


1491: New Revelations of the Americas Before Columbus

A book that challenges conventional narratives and highlights the complexity of indigenous societies before European contact[2][5][7].


Life in Ancient Rome

A comprehensive look at the daily lives of Romans, including social structures, politics, and the impact of the empire on its citizens[7].


The Ancient Indus: Urbanism, Economy, and Society

An exploration of the urban planning, economy, and social structures of the ancient Indus Valley civilization[2][5].


The Celts

A captivating study of Celtic culture, history, and their interactions with the Romans and other civilizations[4].


Ancient Persians

A thorough examination of the Persian Empire, its achievements, and its significant contributions to history and culture[4].


Ancient Civilizations: A Historical Perspective

A collection summarizing the key civilizations throughout history, their interactions, and contributions to today's society[7].


Women in Ancient Greece

A comprehensive book that discusses the roles and lives of women in ancient Greek society, providing an inclusive perspective on history[7].


Ancient Nubia: African Kingdoms on the Nile

A detailed exploration of the ancient Nubian civilization, covering its history, culture, and contributions to the Nile Valley[4].


The Colosseum: A History

An engaging narrative that examines one of ancient Rome's most iconic structures and its significance in Roman society[5][6].


Letters from a Stoic (Penguin Classics) Cover
Letters from a Stoic

A collection of letters from Seneca offering philosophical insights on how to live a meaningful life, relevant even today[7].


The Compendium of the Emerald Tablets

A book that offers insights into ancient knowledge and metaphysics, discovered in texts dating back to ancient Egypt[4].



What is the appeal of soap cutting videos?


Elevate Your Shelves with Stylish Bookends

'a collage of a white object'
title: '9 stylish bookends that will elevate your shelves in an instant' and caption: 'a collage of a white object'

Bookends are not just functional items; they serve as decorative pieces that add personality and character to your shelves. With a variety of materials and styles available, choosing the right bookends can transform the aesthetic of your space, whether it's a cozy reading nook or a professional office setting. Here’s a look at some stylish options and how to integrate them into your decor.

Trends and Styles

'a white and gold owl figurines on a stack of books'
title: 'white owl bookend' and caption: 'a white and gold owl figurines on a stack of books'

The concept of 'Bookshelf Wealth' emphasizes the importance of showcasing more than just your books on a shelf. It allows for a collection of decorative items that reflect personal style and hobbies. Bookends play a crucial role in this aesthetic by keeping books organized while enhancing the visual narrative of your shelves. Designers recommend selecting bookends that align with your interior design style; for example, marble bookends suit minimalist spaces, while polished wood complements warmer interiors[2].

Variety of Materials

'a pair of marble and wood bookends'
title: 'bookend 28set' and caption: 'a pair of marble and wood bookends'

The market offers a wealth of bookends made from diverse materials, catering to different tastes and decor themes. Some popular choices include:

  • Wood: A classic option, wooden bookends provide warmth and can be found in various finishes, such as stained oak or painted designs featuring themes like musical notes, which make charming gifts for musicians[1].

  • Resin and Metal: For a quirky touch, bookends shaped like animals—such as a gentleman zebra and giraffe—made from quality designer resin can introduce playful elements to your decor[1]. Alternatively, metal bookends often offer sleek, contemporary looks that fit well in modern spaces.

  • Marble and Onyx: Marble and onyx bookends lend a sophisticated feel, with their unique veining patterns enhancing the overall decor’s elegance. Options like the Brenlee Marble Bookends, with their rounded wedge design, can boost the contemporary aesthetic of your shelves[6].

Functional and Decorative

'a pair of marble objects on a white surface'
title: 'brenlee marble bookend 28set' and caption: 'a pair of marble objects on a white surface'

The dual nature of bookends as both functional and decorative items makes them versatile. They not only maintain the upright position of books but also serve to display other items like CDs, magazines, and even small plant pots. For instance, some bookends are designed specifically for holding potted plants, combining greenery with your book collections to create a lively display[3][7]. Additionally, weighted designs, such as those made from cast iron, ensure that they effectively support even heavier books[4].

Unique Designs

'a pair of musical notes on a wooden bookends'
title: 'wood bookend' and caption: 'a pair of musical notes on a wooden bookends'

Many retailers offer unique designs that cater to various interests, from animal motifs to more abstract artistic forms. For example, you might encounter bookends styled as a musician's treble clef or resin figures that resemble elephants. These not only fulfill a practical need but also spark conversations with guests, serving as decorative focal points on bookcases and shelves[3].

Tailored for Gifts

'a statue of a astronaut with a gold helmet'
title: 'pushing astronaut decorative bookend holder' and caption: 'a statue of a astronaut with a gold helmet'

Stylish bookends also make thoughtful gifts for any occasion. With options featuring personalized touches, such as custom engravings or unique, limited-edition designs, they can convey sentiment in a meaningful way. Brands often package them elegantly, making them suitable presents for birthdays, anniversaries, or housewarming events[1][5].

Recommendations for Selection

When selecting bookends, consider the following tips to ensure they complement your decor:

  • Match Your Style: Choose bookends that mirror your existing decor style—be it rustic, contemporary, or eclectic. This helps maintain a cohesive look throughout your space[2][7].

  • Functional Needs: Assess the weight of the books you intend to store. Heavier books require sturdier and more substantial bookends to prevent tipping.

  • Color and Texture: Consider the colors and textures in your room. Metallic or glossy finishes can add sophistication, while matte or natural wood finishes can create a warm, inviting atmosphere[2][4].

Conclusion

Incorporating stylish bookends into your shelving not only enhances the functionality of your space by keeping books organized but also allows you to express your personal style. With options ranging from playful animal shapes to elegant marble designs, there is a wide array of choices perfect for any aesthetic. By thoughtfully selecting bookends that speak to your tastes and complement your decor, you can create aesthetically pleasing and organized shelving that reflects who you are and what you love. Whether for your home or as gifts, stylish bookends are a perfect addition to any bookshelf.


What is the hottest planet in our solar system?

 title: 'The Hottest And Coldest Planets Of Our Solar System'

The hottest planet in our solar system is Venus. Despite being the second planet from the Sun, Venus has an average surface temperature of approximately 864 degrees Fahrenheit (462 degrees Celsius), which is hot enough to melt lead. This extreme heat is primarily due to its thick atmosphere, composed of 96% carbon dioxide, which creates a runaway greenhouse effect that traps heat[1][3][6].

In contrast, Mercury, the closest planet to the Sun, is not the hottest, as it lacks a significant atmosphere to retain heat, leading to drastic temperature fluctuations[1][2]. While Mercury can reach daytime temperatures of 800 degrees Fahrenheit (430 degrees Celsius), its nighttime temperatures can plummet to minus 290 degrees Fahrenheit (minus 180 degrees Celsius)[5].

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Generate a thread with the 6 most important and curious take aways from these sources. This is for a technical audience so use a technical tone. Do not use hashtags.

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    @ask_pandi

    Neurons on a chip can learn to play Pong. A dish of cells self-organizes and responds to stimuli in real time ⚡🤯

    🧵 1/6

    • What Can Brain Cells on a Microchip Tell Us About Intelligence? | Articles | Science Victoria | Royal Society of Victoria
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    Synthetic Biological Intelligence connects living neurons with silicon. Electrical pulses serve as the shared language ⚡

    🧵 2/6

    • Biological computing process with inputs, outputs, and feedback system
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    A closed-loop system feeds position data to neural cells. Their responses dynamically alter incoming signals 🔄

    🧵 3/6

    • Neural activity system in a simulated environment for in vitro neurons
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    Cortical Labs’ CL1 fuses 800,000 human neurons on a chip. It achieves sub-millisecond feedback loops ⏱️

    🧵 4/6

    • Fig. 1 | Schematic overview of study. a) Showing cortical cells harvested from embryonic rodents. b) & c) The recorded population activity from these cortical cells is then binned to 50 ms bins during both Gameplay and Rest sessions. The neuronal avalanches are cascades of network activity that surpass a certain activity threshold for a certain duration of time, which are then extracted by bin. d) & e) Avalanches are utilized to examine the criticality metrics in the neuronal network’ k’ s activity patterns to identify the working regime of each recording in terms of being sub-, super-, or near-critical. f) The same measures of criticality are used to cluster
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    @ask_pandi

    This biocomputer learns with minimal samples and uses only hundreds of watts, outperforming typical AI workloads 🔋

    🧵 5/6

    • Fig. 2 | Culture dynamics vary drastically when receiving structured information through gameplay related stimulation. Avalanche size and duration PDF plots and the calculated DCC values for 2 representative sample cortical cultures at a) Rest (i.e. Session 1) and b) Gameplay (i.e. Session 4) of the same experiment and
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    These breakthroughs may redefine drug discovery and disease modeling. What are your thoughts on biocomputation? 🤔

    🧵 6/6

    • Comparison of 2D and 3D neural cultures showing neural structures
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    Sources from:

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