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Shipping calculated at checkout. Shipping is priced by destination.ħ = h / 2π · Made to order
Pixelated Physics
Pixel-art characters and designs, each built on one real piece of physics.
Tees, stickers, hoodies and mugs for science fans, students and the endlessly curious.
We exist because we think knowledge is for everyone.
The product is the character, not a quote on a shirt.
Deep Cuts: the less-told corners of physics, drawn in pixels.
How to read a design
Pixel art, built on one real piece of physics.
The key relationship behind it, written the way physicists write it.
What it means, in plain words.
Featured
· Physicist Portrait
The periodic table is not a random grid. Its rows hold 2, 8, 8, 18, 18, 32 and 32 elements because electrons fill shells and subshells, and the Pauli exclusion principle caps each one. We count the seats, check them against NIST ionization energies, and show where the simple rule breaks.
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460 products · 104 tees · 15 hoodies · 74 mugs · 142 stickers · 27 sticker sheets
1420 MHzPoster · Quantum
From $19.99
Atom Smashers Pixel Sticker SheetSticker · Quantum
$19.99Q = \left(M_{\text{initial}} - M_{\text{final}}\right)c^{2}
AugermeitSticker · Quantum
From $4.99
Aurora, Line by LinePoster · Quantum
From $19.99
BarnettaSticker · Quantum
From $4.99
BerryphaseSticker · Quantum
From $4.99
BifurcorSticker · Quantum
From $4.99F_z = \mu_z\,\frac{\partial B_z}{\partial z}
BohraSticker · Quantum
From $4.99
Bose-Einstein Condensate 1995 TeeTee · Quantum
$29.99\lambda_{\mathrm{dB}} = \frac{h}{\sqrt{2\pi m k_B T}}
Bragg's Law: Salt PlanesPoster · Quantum
From $19.99
C. V. Raman StickerSticker · Quantum
From $4.99\begin{gathered} h\nu_s = h\nu_0 - h\nu_{\text{vib}} \\ (\text{Stokes}) \end{gathered}
CasimiraSticker · Quantum
From $4.99\frac{F}{A} = -\frac{\pi^2\hbar c}{240\,d^4}
Chlorophyll's GapPoster · Quantum
From $19.99
ChronolithTee · Quantum
$29.99
CondensaSticker · Quantum
From $4.99\frac{N_0}{N} = 1 - \left(\frac{T}{T_c}\right)^{3/2}\quad(T\le T_c)
Constants & Units Pixel Sticker SheetSticker · Quantum
$19.99m g v = U I
CoronixHoodie · Quantum
$64.99
CorpuscleSticker · Quantum
From $4.99
CpteraSticker · Quantum
From $4.99
DecoherexTee · Quantum
$29.99\rho_{01}(t) = \rho_{01}(0)\,e^{-t/\tau_D}
DehaasaSticker · Quantum
From $4.99
DelaychoiceSticker · Quantum
From $4.99
DickaSticker · Quantum
From $4.99
DiphantomHoodie · Quantum
$64.99
Discoveries That Changed Physics Pixel Sticker SheetSticker · Quantum
$19.99v = \frac{E}{B}
DynodraSticker · Quantum
From $4.99
EchoaSticker · Quantum
From $4.99
Enrico Fermi StickerSticker · Quantum
From $4.99f(E)=\frac{1}{e^{(E-\mu)/kT}+1}
ExclusorTee · Quantum
$29.99\psi(x_1,x_2) = \frac{1}{\sqrt{2}}\begin{vmatrix} \phi_a(x_1) & \phi_b(x_1) \\ \phi_a(x_2) & \phi_b(x_2) \end{vmatrix}
ExpulsieurSticker · Quantum
From $4.99\mathbf{B}_{\text{inside}} = 0
FeebleaSticker · Quantum
From $4.99
FlipwardenHoodie · Quantum
$64.99
FogplateSticker · Quantum
From $4.99
Four Pigments of SightPoster · Quantum
From $19.99
Fraunhofer's LinesPoster · Quantum
From $19.99
Graphene's παPoster · Quantum
From $19.99
HanlevaSticker · Quantum
From $4.99
Harriet Brooks: First Glimpse of Radioactive Recoil (1904)Hoodie · Quantum
$64.99
HelicitaSticker · Quantum
From $4.99
HomestakaSticker · Quantum
From $4.99
Hydrogen 1S–2SPoster · Quantum
From $19.99
InterferaTee · Quantum
$29.99P = \lvert\psi_1 + \psi_2\rvert^{2} = \lvert\psi_1\rvert^{2} + \lvert\psi_2\rvert^{2} + 2\,\mathrm{Re}\!\left(\psi_1^{*}\psi_2\right)
It's All Spin Pixel Sticker SheetSticker · Quantum
$19.99t_{\mathrm{echo}} = 2\tau
KapitzadiracSticker · Quantum
From $4.99
KochenspekTee · Quantum
$29.99
LandauraSticker · Quantum
From $4.99
LentaTee · Quantum
$29.99
MagnetonixSticker · Quantum
From $4.99
Maria Goeppert Mayer StickerSticker · Quantum
From $4.99\begin{gathered} E_N = \hbar\omega\left(N + \tfrac{3}{2}\right) \\ \begin{aligned} g_N &= (N+1)(N+2) \\ &= 2,\,6,\,12,\,\ldots \end{aligned} \\ \Rightarrow\; \text{shells close at } 2,\,8,\,20 \end{gathered}
Marina DiracTee · Quantum
$29.99
MassratioSticker · Quantum
From $4.99
Max Planck StickerSticker · Quantum
From $4.99E = h\nu
MolassaTee · Quantum
$29.99
MonopolaTee · Quantum
$29.99
NebuliaHoodie · Quantum
$64.99
NickelaTee · Quantum
$29.99
Niels Bohr StickerSticker · Quantum
From $4.99\begin{gathered} E_n = -\frac{R_\infty hc}{n^{2}} \\ R_\infty hc = 13.605\,693\,122\,990\ \text{eV} \end{gathered}
AberraSticker · Relativity & Cosmos
From $4.99
AreaxTee · Relativity & Cosmos
$29.99
Bertozzi's Ultimate SpeedPoster · Relativity & Cosmos
From $19.99
BoundaTee · Relativity & Cosmos
$29.99
Cecilia Payne-Gaposchkin StickerSticker · Relativity & Cosmos
From $4.99\begin{aligned} \frac{n_{i+1}\,n_e}{n_i} &= \frac{2}{\Lambda^{3}}\,\frac{g_{i+1}}{g_i} \\ &\quad\times\exp\!\left(-\frac{\chi_i}{k_B T}\right) \\ \Lambda &= \frac{h}{\sqrt{2\pi m_e k_B T}} \end{aligned}
Chandrasekhar Limit Tee: 1.4 M☉Tee · Relativity & Cosmos
$29.99M_{\mathrm{Ch}} = \frac{\omega_3^{0}\sqrt{3\pi}}{2}\left(\frac{\hbar c}{G}\right)^{3/2}\frac{1}{(\mu_e m_H)^{2}} \approx \frac{5.8\,M_\odot}{\mu_e^{2}}
Chandrasekhar's LimitPoster · Relativity & Cosmos
From $19.99
ChoralisTee · Relativity & Cosmos
$29.99
Cosmic Extremes Pixel Sticker SheetSticker · Relativity & Cosmos
$19.99T_H = \frac{\hbar c^{3}}{8\pi G M k_B}
Dark Matter HostTee · Relativity & Cosmos
$29.99v(r)^{2} = \frac{G M(r)}{r} \;\Rightarrow\; M(r) = \frac{v^{2} r}{G}
EhrenwheelTee · Relativity & Cosmos
$29.99
Eötvös' BalancePoster · Relativity & Cosmos
From $19.99
Eventide ProphetTee · Relativity & Cosmos
$29.99T_H = \frac{\hbar c^{3}}{8\pi G M k_B}
FaintsolSticker · Relativity & Cosmos
From $4.99
FermiaTee · Relativity & Cosmos
$29.99
Fizeau's Moving WaterPoster · Relativity & Cosmos
From $19.99
Fizeau's Toothed WheelPoster · Relativity & Cosmos
From $19.99
Friedmann's Three FatesPoster · Relativity & Cosmos
From $19.99
Fritz Zwicky StickerSticker · Relativity & Cosmos
From $4.99\sigma^2 \sim \frac{GM}{R}
GamowynTee · Relativity & Cosmos
$29.99
Graviton WhisperTee · Relativity & Cosmos
$29.99\Box\,\bar h_{\mu\nu} = -\frac{16\pi G}{c^{4}}\,T_{\mu\nu}
Gravity Probe BPoster · Relativity & Cosmos
From $19.99
Henrietta Swan Leavitt StickerSticker · Relativity & Cosmos
From $4.99M_V = -2.43\,(\log_{10} P - 1) - 4.05
Ives–StilwellPoster · Relativity & Cosmos
From $19.99
JetlaggaTee · Relativity & Cosmos
$29.99
Jocelyn Bell Burnell StickerSticker · Relativity & Cosmos
From $4.99\bar\rho \gtrsim \frac{3\pi}{G P^{2}}
KilonovaTee · Relativity & Cosmos
$29.99
Leavitt's LawPoster · Relativity & Cosmos
From $19.99
Light, Time & Relativity Pixel Sticker SheetSticker · Relativity & Cosmos
$19.99\Delta t = \gamma\,\tau, \qquad L = \frac{L_0}{\gamma}
MagnetocondaSticker · Relativity & Cosmos
From $4.99
Mercury's 43 ArcsecondsPoster · Relativity & Cosmos
From $19.99
MirrorixSticker · Relativity & Cosmos
From $4.99
MirrorspinSticker · Relativity & Cosmos
From $4.99
MuonautSticker · Relativity & Cosmos
From $4.99\Delta t = \gamma\,\tau, \qquad L = \frac{L_0}{\gamma}
NocturnaTee · Relativity & Cosmos
$29.99
Null BeaconTee · Relativity & Cosmos
$29.99d_{\text{EH}}(t) = a(t)\int_{t}^{\infty} \frac{c\,dt^{\prime}}{a(t^{\prime})}
Andrews' Carbonic AcidPoster · Heat & Entropy
From $19.99
ArgonixSticker · Heat & Entropy
From $4.99
BoltzbrainSticker · Heat & Entropy
From $4.99
Boltzmann's Stone: Counting WPoster · Heat & Entropy
From $19.99
CalorusHoodie · Heat & Entropy
$64.99
Carnot's IdealPoster · Heat & Entropy
From $19.99
Critical OpalescencePoster · Heat & Entropy
From $19.99
Cryo FaultTee · Heat & Entropy
$29.99\sigma_f = \sqrt{\frac{2E\gamma_s}{\pi a}}
Debye's T³Poster · Heat & Entropy
From $19.99
DilutraSticker · Heat & Entropy
From $4.99
EchobelSticker · Heat & Entropy
From $4.99
ErasaTee · Heat & Entropy
$29.99
FoldaraTee · Heat & Entropy
$29.99
InvertiaSticker · Heat & Entropy
From $4.99\frac{1}{T} = \frac{\partial S}{\partial E} < 0
JarzaTee · Heat & Entropy
$29.99
KelvinorTee · Heat & Entropy
$29.99
Kleiber's Three-QuartersPoster · Heat & Entropy
From $19.99
Ludwig Boltzmann StickerSticker · Heat & Entropy
From $4.99S = k_B \ln W
Mercury at 4.2 KPoster · Heat & Entropy
From $19.99
Nernst's BatteryPoster · Heat & Entropy
From $19.99
Niobium's Mixed StatePoster · Heat & Entropy
From $19.99
Nitrogen at 300 KPoster · Heat & Entropy
From $19.99
AlfvenaTee · Forces & Fields
$29.99
Arago's Rotating DiscPoster · Forces & Fields
From $19.99
AxonaTee · Forces & Fields
$29.99
AyrthaHoodie · Forces & Fields
$64.99
AzurwakeSticker · Forces & Fields
From $4.99\cos\theta = \frac{1}{n\beta}, \qquad \beta > \frac{1}{n}
BarkhausaSticker · Forces & Fields
From $4.99
BremsellaSticker · Forces & Fields
From $4.99P = \frac{q^2 a^2}{6\pi\varepsilon_0 c^3}
Brewster's AnglePoster · Forces & Fields
From $19.99
CapacitwinSticker · Forces & Fields
From $4.99
CavendaTee · Forces & Fields
$29.99
Chadwick's NeutronPoster · Forces & Fields
From $19.99
Chicago Pile-1Poster · Forces & Fields
From $19.99
Chien-Shiung Wu StickerSticker · Forces & Fields
From $4.99{}^{60}\mathrm{Co} \to {}^{60}\mathrm{Ni}^{*} + e^{-} + \bar\nu_e
Christiaan Huygens StickerSticker · Forces & Fields
From $4.99r = v\,\Delta t
ChuannaTee · Forces & Fields
$29.99
Classic Lab Experiments Pixel Sticker SheetSticker · Forces & Fields
$19.99F \propto -\,I_{\mathrm{coil}}\,I_{\mathrm{ring}}
CorekeeperTee · Forces & Fields
$29.99V(r) = -\frac{g^{2}}{4\pi}\frac{e^{-r/\lambda}}{r}, \qquad \lambda = \frac{\hbar}{m_\pi c}
Decay DancerTee · Forces & Fields
$29.99n \to p + e^{-} + \bar\nu_e
DiagonixSticker · Forces & Fields
From $4.99I = I_0\cos^2\theta
DisplaceraSticker · Forces & Fields
From $4.99
Émilie du Châtelet StickerSticker · Forces & Fields
From $4.99\begin{gathered} E_k = \tfrac{1}{2} m v^{2} \\ (\text{vis viva: } m v^{2}) \end{gathered}
Emmy Noether StickerSticker · Forces & Fields
From $4.99Q = \sum_i \frac{\partial L}{\partial \dot q_i}\,\delta q_i
EnrayneHoodie · Forces & Fields
$64.99
Ernest Rutherford StickerSticker · Forces & Fields
From $4.99\frac{d\sigma}{d\Omega} = \left(\frac{zZe^2}{16\pi\varepsilon_0 E}\right)^2\frac{1}{\sin^4(\theta/2)}
FaradraSticker · Forces & Fields
From $4.99
Fields Forever Pixel Sticker SheetSticker · Forces & Fields
$19.99V(t) = V_0\sin(\omega t)
Forces & Fields Vol. 1 Pixel Sticker SheetSticker · Forces & Fields
$19.99\cos\theta = \frac{1}{n\beta}, \qquad \beta > \frac{1}{n}
Forces & Fields Vol. 2 Pixel Sticker SheetSticker · Forces & Fields
$19.99p_{\mathrm{Minkowski}} = \frac{n\hbar\omega}{c},\quad p_{\mathrm{Abraham}} = \frac{\hbar\omega}{n c}
Galileo Galilei StickerSticker · Forces & Fields
From $4.99d = \tfrac{1}{2}g t^{2}
GalvanaSticker · Forces & Fields
From $4.99
Geiger–NuttallPoster · Forces & Fields
From $19.99
GluebaTee · Forces & Fields
$29.99
GravitasSticker · Forces & Fields
From $4.99
GyrollaSticker · Forces & Fields
From $4.99q v B = \frac{m v^2}{r} \;\Rightarrow\; r = \frac{m v}{q B}
Hadron BrawlerTee · Forces & Fields
$29.99V(r) = -\frac{4}{3}\frac{\alpha_s \hbar c}{r} + \sigma r
Hertz's SparkPoster · Forces & Fields
From $19.99
Hideki Yukawa StickerSticker · Forces & Fields
From $4.99\begin{gathered} V(r) = -\frac{g^{2}}{4\pi}\,\frac{e^{-r/R}}{r} \\ R = \frac{\hbar}{m c} \end{gathered}
HomopoleTee · Forces & Fields
$29.99
IgniaTee · Forces & Fields
$29.99
InertixSticker · Forces & Fields
From $4.99
Isaac Newton StickerSticker · Forces & Fields
From $4.99\vec F = \frac{d\vec p}{dt}
James Clerk Maxwell StickerSticker · Forces & Fields
From $4.99\nabla\cdot\vec E = \frac{\rho}{\varepsilon_0}, \quad \nabla\cdot\vec B = 0
JumpringSticker · Forces & Fields
From $4.99
KibblaSticker · Forces & Fields
From $4.99
LenzorSticker · Forces & Fields
From $4.99\mathcal{E} = -\frac{d\Phi_B}{dt}
LeydeniaSticker · Forces & Fields
From $4.99
LibratrixSticker · Forces & Fields
From $4.99r_{L2} \approx R\left(\frac{M_2}{3M_1}\right)^{1/3}
Lise Meitner StickerSticker · Forces & Fields
From $4.99Q = \left(M_{\text{initial}} - M_{\text{final}}\right)c^{2}
LumidiskTee · Forces & Fields
$29.99
Magnetron TwinsTee · Forces & Fields
$29.99U = -\frac{\mu_0}{4\pi r^{3}}\left[3(\vec m_1\cdot\hat r)(\vec m_2\cdot\hat r) - \vec m_1\cdot\vec m_2\right]
Marie Curie StickerSticker · Forces & Fields
From $4.99N(t) = N_0 e^{-\lambda t}
Michael Faraday StickerSticker · Forces & Fields
From $4.99\oint_S \vec E\cdot d\vec A = \frac{Q_{\text{enc}}}{\varepsilon_0}
MinkowskaraSticker · Forces & Fields
From $4.99
ModeronSticker · Forces & Fields
From $4.99\alpha = \left(\frac{A-1}{A+1}\right)^2
MossbraTee · Forces & Fields
$29.99
Neutrina FadeTee · Forces & Fields
$29.99\cos\theta_C = \frac{1}{n\beta}
Nikola Tesla StickerSticker · Forces & Fields
From $4.99V(t) = V_0\sin(\omega t)
AdiabatixSticker · Waves, Chaos & Matter
From $4.99
AragoTee · Waves, Chaos & Matter
$29.99
Arnold's CatTee · Waves, Chaos & Matter
$29.99\Gamma:\ (x, y) \mapsto (x + y,\ x + 2y) \bmod 1
Atwood's MachinePoster · Waves, Chaos & Matter
From $19.99
AureaTee · Waves, Chaos & Matter
$29.99
BertrandeTee · Waves, Chaos & Matter
$29.99
BraessaSticker · Waves, Chaos & Matter
From $4.99
BuckettaSticker · Waves, Chaos & Matter
From $4.99
CandelorSticker · Waves, Chaos & Matter
From $4.99
CeltrixTee · Waves, Chaos & Matter
$29.99
ChainfountSticker · Waves, Chaos & Matter
From $4.99
CheeriosaSticker · Waves, Chaos & Matter
From $4.99
Chimella, the Hot-Chocolate Bell MugMug · Waves, Chaos & Matter
$21.99\frac{1}{\rho c^{2}} = \frac{1-\phi}{\rho_l c_l^{2}} + \frac{\phi}{\rho_g c_g^{2}}
Classical Physics Vol. 1 Pixel Sticker SheetSticker · Waves, Chaos & Matter
$19.99J = \oint p\,\mathrm{d}q
Classical Physics Vol. 2 Pixel Sticker SheetSticker · Waves, Chaos & Matter
$19.99\mathbf{F}_M = \alpha\,\boldsymbol{\omega}\times\mathbf{v}
Classical Physics Vol. 4 Pixel Sticker SheetSticker · Waves, Chaos & Matter
$19.99\mathrm{Fr} = \frac{v}{\sqrt{g h}}
Colladon's BellPoster · Waves, Chaos & Matter
From $19.99
CoriolixSticker · Waves, Chaos & Matter
From $4.99\mathbf{a}' = -2\,\boldsymbol{\Omega}\times\mathbf{v}' - \boldsymbol{\Omega}\times(\boldsymbol{\Omega}\times\mathbf{r}')
DalembertiaSticker · Waves, Chaos & Matter
From $4.99
Deep-Water DispersionPoster · Waves, Chaos & Matter
From $19.99
Duffing's Strange AttractorPoster · Waves, Chaos & Matter
From $19.99
EkmaraTee · Waves, Chaos & Matter
$29.99
Everyday Physics Pixel Sticker SheetSticker · Waves, Chaos & Matter
$19.99\ell_c = \sqrt{\frac{\gamma}{\rho g}}
Faraday's RipplesPoster · Waves, Chaos & Matter
From $19.99
FlagellaTee · Waves, Chaos & Matter
$29.99
HalotraSticker · Waves, Chaos & Matter
From $4.99
HeliaTee · Waves, Chaos & Matter
$29.99
Helmholtz's BottlePoster · Waves, Chaos & Matter
From $19.99
HemispheraSticker · Waves, Chaos & Matter
From $4.99
InfraraSticker · Waves, Chaos & Matter
From $4.99
JanssenaSticker · Waves, Chaos & Matter
From $4.99
Kater's Reversible PendulumPoster · Waves, Chaos & Matter
From $19.99
KayellaTee · Waves, Chaos & Matter
$29.99
KinessaTee · Waves, Chaos & Matter
$29.99
Kundt's TubePoster · Waves, Chaos & Matter
From $19.99
LangmuiraSticker · Waves, Chaos & Matter
From $4.99
LevitahTee · Waves, Chaos & Matter
$29.99
Light & Optics Pixel Sticker SheetSticker · Waves, Chaos & Matter
$19.99I_s \propto \frac{1}{\lambda^4}
MagnaraSticker · Waves, Chaos & Matter
From $4.99\mathbf{F}_M = \alpha\,\boldsymbol{\omega}\times\mathbf{v}
MeldeaSticker · Waves, Chaos & Matter
From $4.99
Minnaert's BubblePoster · Waves, Chaos & Matter
From $19.99
MurmuraTee · Waves, Chaos & Matter
$29.99
NaviaTee · Waves, Chaos & Matter
$29.99
NicoletteSticker · Waves, Chaos & Matter
From $4.99
Noether's LedgerPoster · Waves, Chaos & Matter
From $19.99
Adiabram, the Slow-Change Shepherd MugMug
$21.99T_{\text{change}} \gg \frac{\hbar}{\Delta E}
Aliasyne, the Undersampled Twin MugMug
$21.99f_s > 2 f_{\max}
Asymptor, the Last-Step Knight MugMug
$21.99\lim_{T \to 0} \Delta S = 0
Avergail, the Mean-Field Courtier MugMug
$21.99B_{\text{eff}} = B + \lambda M
Backglowen, the Sky-Limited Lantern MugMug
$21.99\text{SNR} \propto \sqrt{t} \quad \text{(sky-limited)}
Backrowena, the Broken-Symmetry Usher MugMug
$21.99V(\phi) = -\mu^{2}|\phi|^{2} + \lambda |\phi|^{4}
Barrierwyn, the Escape-Rate Climber MugMug
$21.99k \propto e^{-\Delta E / k_B T}
Beaconess, the Laser-Star Maker MugMug
$21.99E = \frac{hc}{\lambda}
Boundraith, the Mismatched Border Wraith MugMug
$21.99R_K \propto T^{-3}
Broadling, the Short-Lived Herald MugMug
$21.99\Gamma = \frac{\hbar}{\tau}
Chivelle, the Too-Good-Fit Inquisitor MugMug
$21.99\frac{\chi^{2}}{\nu} \approx 1
Clustrelle, the Cheerios-Effect Gatherer MugMug
$21.99\ell_c = \sqrt{\frac{\gamma}{\rho g}}
Counterterra, the Renormalising Smith MugMug
$21.99m = m_0 + \delta m
Creamward, the Milk-First Alchemist MugMug
$21.99\frac{dT}{dt} = -k\,(T - T_{\text{env}})
Cryoselle, Abbess of the Twenty Millikelvin MugMug
$21.99\bar n = \frac{1}{e^{hf/kT} - 1}
Decouplarch, the Two-Timescale Diplomat MugMug
$21.99\Psi(\mathbf{r},\mathbf{R}) \approx \psi_{\mathbf{R}}(\mathbf{r})\, \chi(\mathbf{R})
Degreeda, the Equipartition Dreamer MugMug
$21.99\langle E \rangle = \tfrac{1}{2} k_B T \quad \text{per quadratic degree of freedom}
Densara, the Final-State Cartographer MugMug
$21.99\Gamma = \frac{2\pi}{\hbar}\, |M|^{2}\, \rho(E_f)
Dissipar, the Fidgeting Oracle MugMug
$21.99\langle V^{2} \rangle = 4 k_B T R\, \Delta f
Distalis, the Far-Field Back-Row Watcher MugMug
$21.99U(x,y) \propto \iint A(\xi,\eta)\, e^{-i\frac{2\pi}{\lambda z}(x\xi + y\eta)}\, d\xi\, d\eta
Driftgale, the Thermal-Drift Wind Spirit MugMug
$21.99\Delta L = \alpha L\, \Delta T
Drycrest, the Water-Vapour Hermit MugMug
$21.99\text{PWV} = \frac{1}{\rho_w g}\int_0^{p_s} q\, dp
Duskward, the Astronomical-Twilight Warden MugMug
$21.99h_\odot = -18^\circ \quad \text{(end of astronomical twilight)}
Endoreva, the Max-Power Engine MugMug
$21.99\eta = 1 - \sqrt{\frac{T_c}{T_h}}
Epochra, the Precession Navigator MugMug
$21.99p_A \approx 5028.796195''\ \text{per Julian century} \approx 50.3''\,\text{yr}^{-1}
Flickermoth, the Pink-Noise Moth Queen MugMug
$21.99S(f) \propto \frac{1}{f^{\alpha}}, \qquad \alpha \approx 1
Flukessa, the Second-Law Rebel MugMug
$21.99\frac{P(\Sigma_t = A)}{P(\Sigma_t = -A)} = e^{A t}
Harmonel, the Green-Pointer Imp MugMug
$21.99\omega_{\text{out}} = 2\,\omega_{\text{in}} \;\Leftrightarrow\; \lambda_{\text{out}} = \frac{\lambda_{\text{in}}}{2}
Islandine, the Coulomb-Blockade Gatekeeper MugMug
$21.99E_C = \frac{e^{2}}{2C} \gg k_B T
Lunelock, the Tidally Locked Speaker MugMug
$21.99P_{\text{rot}} = P_{\text{orb}}
Magnidra, the Pogson Scale Keeper MugMug
$21.99m_1 - m_2 = -2.5 \log_{10}\!\left(\frac{F_1}{F_2}\right)
Nightglowe, the Airglow Sleepwalker MugMug
$21.99\text{H} + \text{O}_3 \to \text{OH}(v \le 9) + \text{O}_2
Nimbryn, the Mie-Scattering Grey Lady MugMug
$21.99x = \frac{2\pi r}{\lambda} \gg 1 \;\Rightarrow\; Q_{\text{ext}} \to 2
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