10 Practical inventions

Hello Everyone ❤ Top 10 Practical Inventions and Crafts from High Level Handyman I hope you like watching this video! On physicsfun channel, you can learn various inventions, science projects, crafts, simple inventions and DIYs teaching how to reuse or recycle. #inventions #diy #tricks #gadgets #technology Sit back and relax. Enjoy 8 minutes of oddly satisfying scientific curiosities featuring various mind-blowing stuff! If you guys liked this video please follow us on Instagram : And subscribe to our channel @physicsfun Buy them on 🌎 : Buy in rupee ₹ : This video contains: 1) Levitating Golden Snitch: Harry Potter magic simulated by the real magic of physics. Well- the wings don’t move, but it does float above the base. Magnets are involved of course- a control system in the base, powered by AA batteries, uses adjustable electromagnets and a Hall effect magnetic field sensor to levitate the snitch, and it’s pretty stable too. 2) LEDs as PV Cells 3) Gas Collection for Emission Spectra 4) Three Shapes One Object 5) Aristotle’s Wheel “Paradox“ 6) SVK AXIS 7) Coronal Brush Discharge Flower: electric fields are concentrated at the sharp points of the petals of this ice plant bloom allowing coronal brush discharges to form miniature lightning bolts. The high voltage is supplied by a novel disk coil variation of the famous air core double-tuned resonate transformer invented by Nikola Tesla in 1891. In this novel design the coil is created using modern printed circuit board (PCB) technology producing a spiral of many conductive windings, so thin and close together it looks a bit like a gold phonograph record. Powered by a 24V DC supply, this unit is fairly safe due to a low current (mA)- the discharge feels like a light tickle (but don’t touch the electrode- it gets hot). 8) Density Column Key Fob: lots of physics in the design of this ridiculously cute key fob— two immiscible fluids are sorted under gravity by density with the densest on the bottom and the lightest on top (often kerosene and mineral oil). The plastic Totoro likeness has a density between that of the two liquids so it stays at the boundary layer, and the forest spirit is weighted to be bottom heavy so it keeps a vertical orientation with help from Archimedes law of buoyancy. The most recent versions of this toy have interesting opaque colored liquids, such as the gray fluid featured here. 9) 1 mole Carbon Block 10) Bismuth Crystal Pendent 👉🏻 Ferromagnetic Elements 👉🏻 Viral stuff on internet vs @physicsfun 👉🏻 BONUS CLIP (solution) 👉🏻 Randomly selected comments Background music by : Song: ❰Chillout❱ Sappheiros - Embrace Video Link: Flow by Nomyn Creative Commons — Attribution 3.0 Unported — CC BY 3.0 Free Download / Stream: Thanks for watching❤