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Physics works! And I'm still alive!
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The latest Messages 13
2023-02-12 06:38:34
A new X-ray imaging technique uses advanced algorithms to make movies of fluctuations on the nanoscale. Source: Click here
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@Physics | @Education
161 viewsedited 03:38
2023-02-11 06:45:20
In fluid mechanics, the Reynolds number (Re) is a dimensionless quantity that helps predict fluid flow patterns in different situations by measuring the ratio between inertial and viscous forces. At low Reynolds numbers, flows tend to be dominated by laminar (sheet-like) flow, while at high Reynolds numbers flows tend to be turbulent. The turbulence results from differences in the fluid's speed and direction, which may sometimes intersect or even move counter to the overall direction of the flow (eddy currents). These eddy currents begin to churn the flow, using up energy in the process, which for liquids increases the chances of cavitation.━━━━━━━━━━━
@Physics | @Education
962 views03:45
2023-02-10 05:23:17
Ballistics is the field of mechanics concerned with the launching, flight behaviour and impact effects of projectiles, especially ranged weapon munitions such as bullets, unguided bombs, rockets or the like; the science or art of designing and accelerating projectiles so as to achieve a desired performance.━━━━━━━━━━━
@Physics | @Education
1.4K views02:23
2023-02-09 07:01:28
Ionizing radiation acoustic imaging can monitor dose deposition in real time during radiotherapy. Source: Click here
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@Physics | @Education
784 viewsedited 04:01
2023-02-08 05:16:10
AT WHAT SPEED ARE YOU CURRENTLY MOVING Due to Earth's rotation, earth's surface is moving with a velocity of 460 m/s. The Earth is orbiting around the Sun with a velocity of 30 km/s. Moreover, our Sun with the entire solar system is orbiting around the milky way galaxy with a velocity of 200 km/s.━━━━━━━━━━━
@Physics | @Education
306 viewsedited 02:16
2023-02-07 06:21:13
Did you know you can generate electricity using lenses or curved mirrors to focus sunlight onto solar cells? It sounds like a neat idea, but why have these "concentrator" solar cells not been a business success? Here is the answer to it.
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@Physics | @Education
1.8K views03:21
2023-02-06 05:58:36
A non-surgical neuromodulation device improved motor function and quality-of-life in children with cerebral palsy. Source: Click here
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@Physics | @Education
1.7K viewsedited 02:58
2023-02-05 04:59:30
An inductor, also called a coil, choke, or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it. An inductor typically consists of an insulated wire wound into a coil.When the current flowing through the coil changes, the time-varying magnetic field induces an electromotive force (emf) (voltage) in the conductor, described by Faraday's law of induction. According to Lenz's law, the induced voltage has a polarity (direction) which opposes the change in current that created it. As a result, inductors oppose any changes in current through them.━━━━━━━━━━━
@Physics | @Education
1.3K views01:59
2023-02-04 07:01:50
Friction at the atomic scale appears to depend on the speed at which two surfaces move past each other – and it scales differently in different velocity regimes. Source: Click here
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@Physics | @Education
430 viewsedited 04:01
2023-02-03 04:30:59
Researchers have developed a new tool that uses vortex ultrasound to destroy dangerous blood clots in the brain. Source: Click here
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@Physics | @Education
2.0K viewsedited 01:30
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