Fun Science

Phosphorous Sun Combustion reaction of red phosphorus in oxygen forming phosphorus pentoxide: P₄ + 5O₂ = P₄O₁₀.

Toyota has kept its promise and the e-Palette autonomous minibuses were launched at the Tokyo Olympics. A single battery charge has a range of about 150 km. The speed can reach 19 km per hour. However, the bus moves on fixed circular routes in the Olympic Village, isolated from urban transport. Moreover, there is an engineer inside without the steering wheel, but with an emergency stop button.

The Cricket project calls for a content-manager with knowledge of English! Task: content management of a cricket channel in English language. Requirements: knowledge of English, passion about cricket, experience in content creation. Send your resume in English here — @johnemerson. A test job will be required!

"Speed Bump" With Non-Newtonian Fluid 👆🏻 The Bumpfree Dynamic Speedbump concept could change drivers' attitude to speed limiters in the future. This device allows motorists driving at an adequate speed to get over the obstacle without interference. However, it will "remind" everyone else of the need to observe the speed limit, creating the feeling that occurs during the crossing of the usual "speed bump", but without impact.

China has released a "smart" voice recorder AI Recorder which translates recorded speech into text, arranges paragraphs and highlights key words. AI Recorder will be available soon for $99.99. The manufacturer describes it as a valuable assistant for journalists, students and entrepreneurs. So how soon will robots replace the majority of professions? Are they starting already? 🤔

Demonstration of the incredible Coanda effect with the example of a ball that does not fall as it 'sticks' to the lower part of the air stream. Physics is a kind of magic indeed!

Skydiver & Raindrop An increase in the resistance to motion along with an increase in velocity causes a steady, regular motion of a body as it falls from a great height in a liquid or gas (e.g. in the atmosphere). Thus, a skydiver can gain speed up to 50 m/s before opening the parachute, and raindrops, depending on their size, reach speeds from 2 to 7 m/s.

Paper airplane and aerodynamics.

People: "All these robots are harmless, the battery runs down in five minutes, why be afraid of them?" Scientists: "The bipedal robot ran five kilometers for the first time – it took 53 minutes and one battery charge to do it" 🤖😳 The Cassie robot was created by students at Oregon State University with one million dollars in grants from the Defense Advanced Research Projects Agency (DARPA) in 2017. The bipedal robot is controlled by a neural network using deep machine learning with reinforcement.

How to make the simplest unipolar motor

Such a beauty appears if you water the screw with ferromagnetic liquid (it is strongly polarizing in the presence of a magnetic field liquid, which contains ferromagnetic nanoparticles).

Barium Sulfate Used In LEGO Parts If a child swallows a LEGO part, it will be visible on an X-ray due to this compound. However, sulfate was abandoned in 1996 as it made the plastic brittle.

The Engine In The 2 Human Powers 😅 This idea does not seem to be a genius idea.

Here is a collection of real elements from the Mendeleev’s Periodic Table! Wonder about how airtight this thing is... After all, it contains elements that can be harmful to a person.

Static Discharge Imagine the situation; someone invites you to visit. You come to the door on time, wipe your feet on the mat thoroughly, then touch the brass door handle... and that's when you feel a slight impact. It's a static discharge. Why does this happen? After you had wiped your feet on the mat, your body received a negative electrical charge. Then you touched a negatively charged hand to a positively charged metal object (a door handle in our case) and the electrons transferred from your hand to that object. Such an instantaneous transfer of electrons is called a static discharge. It was precisely at the moment you felt a slight electric shock.

YOU HAVE BEEN LIED TO SINCE SCHOOL, MAKING YOU A SUBMISSIVE SLAVE HIDDEN TRUTH opens up its channel: lies by historians, falsification of science, destruction of documents, and more. We will open your eyes to the real history of our world and tell you about the recent planetary catastrophe and global upheaval. Join in ‼️ But remember, the truth is dangerous.

How knowledge of physics and a simple tension on the threads can "break gravity".

CyberDog: Xiaomi First Robotic Dog Does your dog know how to do a backflip? 🤖 Well, Xiaomi dog can. Jetson Xavier NX module from Nvidia, containing 384 CUDA cores, 48 tensor cores, six Carmel processors and two specialized deep learning cores, became the computing center of the robot. The module collects and processes information from 11 sensors. It uses specially designed Xiaomi servos to move, enabling it not only to walk, but also to do backflips and other tricks. In fact, the machine moves at 3.2 meters per second and weighs 3 kilograms. Xiaomi reports that the robot can follow its owner like a real dog. The device also recognizes faces. By the way, the CyberDog can be controlled by voice or through a smartphone app. What do you think, whether the robot is capable of fully replacing a real animal?

A viscoelastic fluid can pour itself, known as the open channel siphon effect.

Ferromagnetic Liquid Ferromagnetic liquids are colloidal systems consisting of nanometer-sized ferromagnetic or ferrimagnetic particles suspended in a carrier fluid, commonly an organic solvent or water.