Video: Vim li cas Edward Witten nto moo?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Witten tau muaj peev xwm ua tau ntau yam kev tshawb fawb dhau nws lub neej thiab tau yeej ntau yam khoom plig vim qhov ntawd. Nws kuj raug suav hais tias yog ib tus kws tshaj lij theoretical physicists hauv ntiaj teb. Nws feem ntau nto moo Kev tshawb fawb ua tiav suav nrog: quantum gravity, m-theory, txoj hlua txoj hlua, supersymmetry thiab quantumfield theory.
Ua raws li qhov no, Edward Witten nrhiav tau dab tsi?
Nws txoj kev tshawb fawb thaum ntxov yog nyob rau hauv electromagnetism, tab sis tsis ntev nws tau tsim ib qho kev txaus siab rau qhov tam sim no paub assuperstring txoj kev xav hauv lej physics. Nws ua qhov tseem ceeb rau Morse txoj kev xav, supersymmetry, thiab knottheory.
Tsis tas li ntawd, nws siv sijhawm pes tsawg xyoo los ua tus kws kho mob? Physics master's degree programs feem ntau coj ob xyoo ua kom tiav. Tau txais Ph. D. hauv Physics ua tau coj ib ncig plaub ntxiv xyoo , nyob ntawm tus menyuam kawm ntawv keeb kwm yav dhau los thiab qhov nrawm ntawm nws ua tiav kev tshawb fawb txog kev tawm suab. Postdoctoralfellowships tuaj yeem nyob ntawm 2-3 xyoo.
Ntawm no, thaum twg Edward Witten yug?
Lub Yim Hli 26, 1951 (hnub nyoog 68 xyoo)
Leej twg yog thawj tus paub physicist?
Ib tug ntawm ua ntej renowned thaum ub physicists yog Leucippus (5th Century BC), uas adamantlyopposed lub tswv yim ntawm ncaj qha los saum ntuj los cuam tshuam nyob rau hauv lub ntiaj teb no. Tus philosopher es tsis txhob hais tias ntuj phenomena muaj anatural ua.
Pom zoo:
Rene Descartes nto moo catchphrase yog dab tsi?
“Cagito ergo sum. (Kuv xav tias, yog li ntawd kuv yog.)” “Yog tias koj yuav yog tus neeg nrhiav qhov tseeb, nws yog qhov tsim nyog uas tsawg kawg ib zaug hauv koj lub neej koj tsis ntseeg, kom deb li deb tau, txhua yam.” “Kuv xav tias yog li ntawd txhua yam uas kuv pom yog illusions; Kuv ntseeg tias tsis muaj ib yam dab tsi uas tau muaj nyob ntawm txhua yam uas kuv qhov kev dag ntxias qhia kuv
Dab tsi tshwm sim ntawm Theodor Engelmann qhov kev sim nto moo qhia rau nws uas wavelength S yog tus tsav tsheb zoo tshaj plaws ntawm photosynthesis?
Cov kab mob sib sau ua ke ntau tshaj plaws nyob ze ntawm ib feem ntawm cov alga uas tau nthuav tawm cov xim liab thiab xiav wavelengths. Engelmann qhov kev sim ua kom pom tias lub teeb liab thiab xiav yog lub zog zoo tshaj plaws rau photosynthesis
Leej twg yog ib tug biologist nto moo?
FAMOUS BIOLOGISTS (B) David Baltimore (1938-). American biologist. Tshaj tawm xyoo 1975 Nobel nqi zog hauv Physiology lossis Tshuaj nrog Howard Temin thiab Renato Dulbecco rau lawv qhov kev tshawb pom ntawm thim rov qab transcriptase
Alexander von Humboldt nto moo tshaj plaws yog dab tsi?
Friedrich Wilhelm Heinrich Alexander von Humboldt, yooj yim dua hu ua Alexander von Humboldt, yog ib tug tseem ceeb Prussian geography, explorer, thiab naturalist. Nws tau lees paub dav dav rau nws cov haujlwm ntawm botanical geography uas tau tsim lub hauv paus rau biogeography
Vim li cas Galileo thiaj li nto moo?
Ntawm tag nrho nws cov kev tshawb pom hauv telescope, tej zaum nws paub zoo tshaj plaws rau nws qhov kev tshawb pom ntawm plaub lub hli loj tshaj plaws ntawm Jupiter, tam sim no hu ua Galilean hli: Io, Ganymede, Europa thiab Callisto. Thaum NASA xa lub luag haujlwm rau Jupiter hauv xyoo 1990, nws tau raug hu ua Galileo hauv kev hwm ntawm tus kws tshaj lij astronomer