Tag Archives: astronaut

This DIY AI Astronaut Looks Like a Desk Toy Until You Ask It Questions

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Most DIY AI gadgets are bare boards and wires, or at best a 3D-printed box, and that clashes with the idea of leaving them on a shelf or side table. Even clever builds end up looking like projects rather than finished objects. D. Creative’s tiny AI robot is a counterexample, a chatbot built inside a toy astronaut that looks like decor first and a smart assistant second, making it actually display-worthy.

The basic concept is a small astronaut figurine that you can talk to, which talks back using a cloud LLM. All the electronics, ESP32-S3, mic, amp, speaker, battery, and OLED, are hidden inside the toy shell, so on a desk it reads as a cute space figure until it lights up and answers a question or starts blinking to show it is listening.

Designer: D. Creative

The internals pack tightly. An ESP32-S3 Super Mini acts as the brain, a digital I²S microphone hears you, a matching I²S amplifier and tiny speaker reply, and a 300 mAh battery with a charging board keeps it running. The 0.96-inch OLED is tucked into the helmet as the robot’s face, giving the AI a place to look back from when you address it or ask for help.

The builder gutted a light-up astronaut toy, drilled a few holes for buttons and a USB port, and then packed the new hardware inside before closing it back up. This is not a 3D-printed shell but an existing object repurposed, which keeps the proportions and charm of the original toy while hiding the complexity and making the result feel less like a gadget and more like a character.

The interaction loop is straightforward. You speak, the mic captures your voice, the ESP32 sends it over Wi-Fi to a speech-to-text service and then to the Qwen3 LLM, the response comes back as text, and a text-to-speech engine turns it into audio for the speaker. The astronaut’s OLED changes expression to show when it is listening, thinking, or ready to answer, turning a text exchange into something more animated.

Putting the same kind of chatbot you might use in a browser into a toy astronaut changes the relationship. The presence of a body, a face, and a fixed spot on your desk makes the assistant feel more like a little character you share space with, and less like a disembodied voice that lives somewhere in the cloud and has no opinion on where it sits.

This project hints at a pattern other makers can borrow, taking familiar objects and quietly giving them new capabilities instead of always starting from scratch. A tiny AI astronaut that fits into a home without looking like a project points toward a future where more of our everyday decor hides small, conversational brains, and where the line between toy and tool gets pleasantly blurry, with AI companions that feel more like friends than appliances waiting for commands.

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SpaceX Exosuit Concept Helps Astronauts Retain Muscle Mass in Space using Resistance Training

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You can see up to 20% of muscle loss in just 11 days of being in space. Astronauts have to exercise nearly two and a half hours each and every day to prevent muscular atrophy. Sounds pretty scary, doesn’t it? Exposure to zero gravity causes muscle fibers to shrink, making astronauts much weaker and less coordinated. Whoever thought that the lack of gravity could affect our health THIS much??

Designed to help astronauts stay fit through regular movements, the Cosmofit Exosuit was imagined for astronauts making their way to the moon with SpaceX’s upcoming mission that aims to set up a lunar base to replace the ISS in 2030. Created by Minwoo Lee, a student at Hongik University, the Cosmofit is designed to be worn indoors, and uses resistance-based training to turn simple activities like walking or reaching out for something into a micro-workout. Astronauts therefore exert more to perform basic activities, and can retain their muscle mass while in a zero gravity environment.

Designer: Minwoo Lee

The Cosmofit bodysuit is made of two distinct parts – the suit itself, and the mechanical augmentations that attach onto the back and around your waist, or the ‘exo’ part of the suit. The suit features electrode pads laid out around different muscle groups, providing electrical stimulation to different muscles in the body to keep them active and healthy, while also helping with muscle recovery after stressful workouts. By providing electrical pulses, the suit can help rebuild muscle tissue and help with recuperation.

Meanwhile, the exoskeleton on the outside uses a series of motors to provide mechanical resistance to help you exert more pressure while moving around. This turns regular activities into mini workouts (sort of like jogging or exercising with weights strapped to your ankles) that prevent muscles from atrophying or growing weak.

The EMS (electrical muscle stimulation) suit can be worn for long periods of time, with the exoskeleton only strapped on for certain hours in the day. There’s even a potential for the exoskeleton to track vitals and fitness levels through activity, giving astronauts a comprehensive look at how healthy they are. Two and a half hours of exercise a day sounds like quite a task… turning just daily movements into a fitness regimen sounds like a much easier way to stay healthy in zero gravity, doesn’t it??

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