Tdy s a snny dy. Ls nd Tm mt n th prk t hv a pcnc. Thy hv sndwchs, frt, nd lmnd wth thm. s thy njy thr sncks, thy wtch th brds flyng by nd th chldrn plyng n th plygrnd. ftr th pcnc, thy dcd t ply a gm f Frsb nd thn hv c crm. Thy hv a grt dy nd lk frwrd t spndng nthr dy t th prk sn.
Th smrtphn hs bcm n ssntl prt f r lvs. rly mdls llwd s t mk phn clls nd snd shrt txt mssgs. vr tm, ths dvcs hv vlvd nt pwrfl cmptrs tht ft n r pckts. Tdy, a smrtphn llws s t srf th wb, chck ml, tk phts, ply gms nd s scl md. Hwvr, thr r ls cncrns bt prvcy nd th vr-grwng mpct f tchnlgy n r dly lvs. Dspt ths drwbcks, smrtphns hv rvltnzd th wy w cmmnct nd ntrct.
Slr rdtn s crtcl t lf n rth. Phtsynthss s th prcss by whch plnts, lg nd crtn bctr s snlght t crt nrgy-rch cmpnds. Thy cn s snlght t cnvrt wtr nd crbn dxd nt glcs nd xygn. Ths prcss s th prmry pthwy by whch nrgy ntrs th trrstrl csystm. Glcs srvs s n nrgy src fr plnts thmslvs nd fr mny thr rgnsms, whl xygn s n ndspnsbl lmnt fr th rsprtn f mny lvng thngs. Th stdy f phtsynthss cntrbts t th ndrstndng f th mchnsms tht mk lf n r plnt pssbl nd cld hlp fnd sstnbl sltns t th chllngs rltd t clmt chng nd fd prdctn.
Th frmtn f th slr systm s a fscntng prcss tht bgn bt 4.6 blln yrs g nd ws trggrd by th cllps f n ntrstllr cld f gs nd dst. Stllr nclsynthss ld t th frmtn f vrs lmnts, whch n trn cntrbtd t th frmtn f plnts nd thr clstl bds. t th hrt f th slr systm, th Sn - a G-typ mn sqnc str - ws frmd, ccntng fr bt 99.86% f th ttl mss f th systm.
Grvty plyd a crcl rl n th rgnztn f mttr nd th brth f th plnts. Ths clstl bds, dvdd nt trrstrl nd gs r c gnts, vlvd vr mllns f yrs. Th trrstrl plnts, nmly Mrcry, Vns, rth nd Mrs, r chrctrzd by rcky srfcs nd dns slct nd mtl crs. n cntrst, th gs nd c gnts, ncldng Jptr, Strn, rns, nd Nptn, r cmpsd lrgly f lghtr lmnts sch s hydrgn, hlm, mmn, nd mthn.
Th dscvry f xplnts n rcnt dcds hs xpndd r ndrstndng f th dvrsty f plntry systms nd rvls th cmplx ntrply f fctrs tht cn ltmtly cntrbt t th frmtn f lf frms lk rs.
mmnl Knt, n nflntl phlsphr f th 18th cntry, plyd a crcl rl n th dvlpmnt f mdrn phlsphcl thght. n hs mst fms wrk, Crtq f Pr Rsn, Knt xplrs th lmts nd pssblts f hmn knwldg nd ntrdcs th d f trnscndntl phlsphy.
A cr prncpl f hs phlsphy s th ntn f th "thng-n-tslf," whch stts tht hmn xprnc cn nly knw th wrld thrgh th strctrs nd cndtns f hmn prcptn. Ths, th "thng-n-tslf" - tht whch xsts ndpndntly f r prcptn - rmns nccssbl t th hmn mnd.
n ddtn, Knt ls shpd mrl phlsphy thrgh hs Ctgrcl mprtv, whch srvs s th bss fr thcl ctn. Ths prncpl stts tht ctns r mrl nly f thy r bsd n a mxm tht cn b nvrslzd. Ths mns tht ndvdl ctns r cnsdrd thcl nly f thy cn srv s a gdng prncpl fr ll ppl qlly.
Th ndstrl Rvltn, whch bgn n th 18th cntry, ws n r f sgnfcnt tchnlgcl, scl, nd cnmc chng. t bgn n Grt Brtn nd sbsqntly sprd t thr prts f rp nd Nrth mrc. A srs f nnvtns n th txtl ndstry, mchncl ngnrng, stm pwr, nd rlrds md pssbl nw ffcnt mthds f prdctn.
Th mssv chngs brght bt by ths rvltn ls hd prfnd scl mplctns. grcltr ndrwnt n grrn rvltn tht ld t ncrsd fd prdctn. s a rslt, lrg cts frmd s th lbr frc mvd frm rrl rs twrd fctrs. Ths ld t crwdd nd nhlthy lvng cndtns tht shrd n th rs f scl rfrms t mprv th qlty f lf fr wrkrs.
Th ndstrl Rvltn s ftn sn s a trnng pnt n hstry tht pvd th wy fr mdrn scty nd st th stg fr frthr tchnlgcl, cnmc nd scl dvlpmnts. Th phvls f ths tm prd nbld nprcdntd glbl ntrcnnctdnss nd th bgnnng f ntrntnl trd, whch rmns a drvng frc n th wrld cnmy tdy.
Hwvr, th ndstrl Rvltn ls brght dsdvntgs. Wth rpd rbn grwth nd th xpnsn f ndstrl prdctn, nvrnmntl prblms sch s r nd wtr plltn grw. n ddtn, th chng ld t th xplttn f th lbr frc, whch ftn sffrd frm xtrm cndtns, lw wgs nd lng wrkng hrs.
s a rslt, pltcl dlgs sch s sclsm nd cmmnsm mrgd tht fcsd n th wlfr f wrkrs nd sght t cntrct nqlts nd xplttn. Ths dlgs plyd a mjr rl n shpng th wrld pltcl rdr nd ld t sgnfcnt chngs n th pltcl lndscp f th 19th nd 20th cntrs.
Th ndstrl Rvltn s ths a pvtl chptr n hstry tht brght prgrss nd chllngs n ql msr. t hghlghts th dlty f tchnlgcl dvlpmnts nd thr mpct n scty nd th nvrnmnt, a tpc tht rmns rlvnt tdy.