Fun Science

No big deal, just a man in a drone flying through Times Square. Is the future already here? 🤔

Sulfur Hexafluoride Is Significantly Denser Than Air Sulfur hexafluoride (also sulphur hexafluoride, SF6) is an inorganic substance, a heavy gas under normal conditions, which is 5 times heavier than air.

⚡️ Elon Musk refused to buy Twitter. Meaning that in the next few months we are likely to hear about Twitter everywhere (and we already do) - including on Telegram. Guess where I'm heading with this? That's right, creating a channel on Telegram about Twitter is mega actual now. You know who will get the most juice? - Whoever gets this original username 👉🏻@twitter. Speaking of which, it's on sale now for only 350,000 rubles. You can just: - Email @Number_997 and become an owner in 10-15 minutes. - Delegate all work processes to a team of experts already working on the channel - a stable source of passive income. - Sell it for X2 in 6-8 months, and even more - it all depends on Twitter policy. It's a good time to consider buying it. Twitter is still on sale, gentlemen😉 👉🏻For questions about purchasing a username and @twitter channel, write here: @Number_997

Brain Implant That Relieves Pain Created One of the medical universities in New York has developed a brain implant that relieves ANY pain in real time. Moreover, it works quite cleverly. Let's make it simple: the device decodes the signal in the part of the brain responsible for the interpretation of pain and immediately activates the part that signals the absence of pain. Thus, there is only an effect on the brain when something hurts. Certainly, the design is not for everyone – in many cases the body needs pain as a signal system for malfunctions. However, there are cases, such as cancer and trivial migraines, when such an implant would be of great value to people.

How Many Drops Can You Get on a Coin? Here is the simplest demonstration of the surface tension of water. Reminder: In a liquid, the surface tension force acts to reduce the surface of the liquid to a minimum where it contacts with a gas, another liquid, or a solid. Do this experiment yourself or with your children. All you need is a coin, a syringe, and water.

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Vinegar + Soda + Sodium Acetate on a fingertip = hot ice.

Magic? No! Just a bottle of distilled water stuck in the freezer for two hours. Distilled water has no salt or impurities, and thus no crystallization centers ➡️ that' s why it doesn't freeze. Yet when the bottle is shaken, air bubbles form, which become the crystallization centers. Then, as the temperature reaches -25 C, the water freezes exponentially.

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Shape Memory Some materials have a shape memory effect — after deformation, they return to their initial shape if heated. This property is due to superelasticity. Nitinol (a compound of titanium and nickel), for instance, has this quality. Such materials are highly practical and can be used in a wide range of areas, from space to medicine. Thus, they serve as the basis for self-opening antennas, as well as for special filters for injecting into the bloodstream and even for spectacle frames, where lenses don't slip out.

A prototype of a fully functional robotic arm. 👍🏻

Mini drones for the smartphone. 👍🏻 😅 It's easier to take pics with them.

New generation tires Which will scan and analyze the road for the best possible car ride.

Demonstration of the surface tension of water 💧 Surface tension is a quantity that shows the tendency of a liquid to shrink its free surface.

Prototype aircraft that will replace cars 👍

The simplest external heating piston motor from a syringe 💁

Amazing illusion that breaks the brain 🤯

Wireless portable printer. 👍🏻

Centripetal acceleration. 👍🏻

The reaction of floral foam to a red-hot nickel.