Abdollah🎩🔵
@sarok1983
3326 Following
1152 Followers
1 reply
0 recast
3 reactions
2 replies
0 recast
4 reactions
Polymers are large molecules composed of repeating structural units known as monomers. These macromolecules are widely used in various industries due to their lightweight, durability, and versatility. Polymers can be classified into natural polymers (such as cellulose, rubber, and proteins) and synthetic polymers (such as plastics, nylon, and polyethylene).
Types of Polymers
1. Thermoplastics – Can be melted and reshaped multiple times (e.g., PVC, polyethylene).
2. Thermosetting Polymers – Harden permanently after being molded (e.g., epoxy, Bakelite).
3. Elastomers – Have rubber-like properties and high elasticity (e.g., silicone, rubber).
4. Biodegradable Polymers – Environment-friendly alternatives that degrade naturally (e.g., polylactic acid).
Medical: Biodegradable sutures, drug delivery systems
Automotive: Lightweight components, tires
Electronics: Insulating materials, flexible circuits
Packaging: Plastic bags, food containers 2 replies
0 recast
5 reactions
0 reply
0 recast
0 reaction
2 replies
0 recast
2 reactions
The parallel bars move in gymnastics is a dynamic skill that requires strength, balance, and precision. In this move, the gymnast supports their body on two horizontal bars that are set parallel to each other. The gymnast’s arms are straight, holding onto the bars while the body is lifted off the ground, either in a straight position, L-sit, or performing swings and handstands. This move demonstrates upper body strength, core stability, and perfect control. A young male gymnast performing on the parallel bars shows focus and power, highlighting the art of gymnastics. 0 reply
1 recast
4 reactions
1 reply
0 recast
1 reaction
"Dreamcatcher" is a 2003 science fiction horror film directed by Lawrence Kasdan, based on the novel of the same name by Stephen King. The film follows four childhood friends who reunite for an annual hunting trip in the Maine woods. However, their trip takes a terrifying turn when they encounter a stranger in distress and become entangled with an alien invasion. As they fight to survive, they discover that their shared past holds the key to stopping the extraterrestrial threat.
The movie stars Morgan Freeman, Thomas Jane, Jason Lee, Damian Lewis, Timothy Olyphant, and Donnie Wahlberg. Despite its star-studded cast and high production values, "Dreamcatcher" received mixed to negative reviews from critics, with many criticizing its convoluted plot and over-the-top special effects. However, it has gained a cult following among fans of Stephen King's work and the science fiction horror genre. 2 replies
0 recast
1 reaction
0 reply
0 recast
0 reaction
The F-22 Raptor, an air superiority fighter, is known for its extreme maneuverability, top-speed, and altitude performance, attributes that would likely offer a distinct advantage in a traditional dogfight scenario. Meanwhile, the F-35 Lightning II, designed as a multirole fighter with an emphasis on ground attack missions, boasts advanced sensor packages and avionics that facilitate unparalleled situational awareness and network-centric warfare capabilities. This matchup begs the question, which one of these state-of-the-art aircraft would prevail in a direct confrontation? Would it be the swift and agile Raptor, or could the Lightning II’s advanced systems and versatility provide it the upper hand? The following article delves into the specifics of this fascinating conjecture, analyzing each aircraft’s strengths and potential vulnerabilities when set against the other. 0 reply
0 recast
1 reaction
5 replies
2 recasts
2 reactions
3 replies
1 recast
5 reactions
2 replies
0 recast
0 reaction
1 reply
0 recast
0 reaction
0 reply
0 recast
0 reaction
Integrated Circuits (ICs) in Phones
They are: ICs are tiny electronic circuits etched onto a single piece of semiconductor material, typically silicon. They contain numerous interconnected components like transistors, resistors, and capacitors, all miniaturized to an incredible degree.
Key Role in Phones:
Brain of the phone: The most crucial IC is the System on a Chip (SoC), often called the processor or CPU.
Communication: ICs enable phone functions like:
Cellular connectivity: Handling calls, data transfer (4G, 5G), and other wireless communication.
Wi-Fi: Connecting to wireless networks.
Bluetooth: Connecting to other devices like headphones and smartwatches.
GPS: Location tracking and navigation.
Image and video processing: Powering the camera, and displaying images and videos on the screen.
Audio processing: Handling sound for calls, music playback, and other audio functions.
Power management: Efficiently managing the phone's battery life.
RAM: Temporary storage for active applications and data. 1 reply
0 recast
2 reactions
2 replies
0 recast
3 reactions
5 replies
1 recast
6 reactions
6 replies
0 recast
6 reactions
0 reply
0 recast
3 reactions