@harusciencelab

Same words. Different personalities. #Typography #Fonts #Animation #HelloWorld

Different masses. Same acceleration. Gravity doesn’t care how heavy you are. Air resistance neglected. #Physics #Gravity #FreeFall #Science #Julia #harulab

Completing the square, with a little gravity. #Math #QuadraticFormula #MathAnimation #Physics #harulab

The Coriolis effect: how motion appears in a rotating frame. #CoriolisEffect #Science #Physics #物理 #harulab

The pendulum swings. Earth turns. 🌍 A Foucault pendulum reveals Earth’s rotation. Swing motion slowed for clarity. #Physics #FoucaultPendulum #EarthRotation #Science

Continents reshape the tides 🌍🌊 Coastlines change where—and when—the ocean rises. Simplified simulation · Surface height exaggerated #Tides #Ocean #Simulation#Physics

How the Moon moves the ocean 🌊🌕 A simplified ocean world, with surface motion exaggerated to reveal the tides. #Tides #Physics #Ocean #Science #Simulation #harulab #物理

A resonant light pulse drives the electron in H₂⁺ from HOMO to LUMO, reshaping its molecular orbital.#physics #物理 #harulab #electromagnetic #電磁気学 #quantummechanics #量子力学 #quantumchemistry #electriccloud

A half-wave plate rotates the direction of linearly polarized light. #physics #物理 #harulab #electromagnetic #電磁気学

A quarter-wave plate converts linearly polarized light into circularly polarized light when the input polarization is at 45° to its optical axes.#physics#物理 #harulab #electromagnetic #電磁気学

Circularly polarized light transfers orbital angular momentum to hydrogen, driving a 1s → 2p transition. Color represents the wavefunction phase.#physics #quantummechanics #量子力学 #quantumchemistry #物理 #harulab #electriccloud

A light pulse drives the 1s → 2p_z transition in hydrogen, reshaping its electron cloud according to the time-dependent Schrödinger equation.#physics #quantummechanics #量子力学 #quantumchemistry #物理 #harulab #electriccloud

Inside H₂⁺, one electron and two protons move together as a quantum system. Visualized within the Born–Oppenheimer approximation. #physics #quantummechanics#量子力学 #quantumchemistry #物理 #数学 #harulab #coulomb #potential #クーロン #ComputationalPhysics

Decomposing a square wave into a Fourier series. #physics #mathematics #物理 #数学 #harulab #fourierseries

Opposite charges trace a bound Coulomb orbit as changes in their electric potential propagate through space. #physics #物理 #harulab #electromagnetic #電磁気学 #coulomb #potential #クーロン

A moving charge reshapes the electric potential, while its influence propagates at the speed of light.#physics #物理 #harulab #electromagnetic #電磁気学 #coulomb #potential

When a wave encounters a heavier mass, part of it is reflected and part is transmitted. This animation visualizes lattice-wave scattering caused by a mass defect. #physics #物理 #harulab #mechanics #oscillator

Coupled oscillations. When two oscillators are weakly coupled, vibrational energy flows back and forth between them. #physics #物理 #harulab #mechanics #振り子 #pendulum

How does a particle’s path bend as it passes near a nucleus? This animation visualizes how Rutherford scattering changes with distance. #physics #物理 #harulab #electromagnetic #電磁気学 #coulomb #rutherford #rutherfordScattering #クーロン

Two oppositely charged particles can remain in a bound orbit when their total energy is negative. This animation shows a classical Coulomb two-body model without electromagnetic radiation. #physics #物理 #harulab #electromagnetic #dipole #電磁気学 #coulomb

Opposite charges attract, but they do not always collide. Coulomb scattering with conserved angular momentum. #physics #物理 #harulab #electromagnetic #dipole #電磁気学 #coulomb

Same force, different frequencies. Watch resonance emerge in a driven oscillator. #physics #物理 #harulab #oscillator

Rotating electric field synchronizes multiple dipoles. No dipole-dipole interaction is included in the motion. #physics #物理 #harulab #electromagnetic #dipole

Hall effect visualized. Moving charges bend sideways in a magnetic field, creating a transverse voltage. #physics #物理 #harulab

1D Brillouin zone intuition. Free electrons, periodic potential, band gap, and Fermi points. #physics #物理 #harulab

Drude-Sommerfeld model visualized. Electric current comes from a tiny imbalance near the Fermi surface. #physics #物理 #harulab

In the classical Drude model, electrons are treated like a gas that responds to an electric field while undergoing scattering. Even though their microscopic motion looks random, a small drift appears after ensemble averaging, producing an electric current. #physics #物理 #harulab #electromagnetic…

If we describe a hydrogen atom using only classical physics, the electron radiates electromagnetic waves and falls into the nucleus within a few tens of picoseconds. For atoms to exist stably, quantum mechanics is necessary. #physics #物理 #harulab #Coulomb #electromagnetic #電磁気 #quantumtheory…

A positive and negative charge under a periodically switched electric field.#physics #物理 #harulab #Coulomb #electromagnetic #電磁気

I visualized a proton and multiple electrons moving under Coulomb interaction only, together with the electric field lines around them. This is a classical approximation model that does not include electromagnetic radiation. #physics #物理 #harulab #Coulomb #electromagnetic