I-photon iyizinhlayiyana eziyisisekelo ezihlotshaniswa nokukhanya. Nokho, cishe iminyaka eyishumi, abanye ososayensi babekholelwa ukuthi kukhona lokho abakubiza ngokuthi i-photon emnyama noma emnyama. Kumuntu ovamile, ukwakheka okunjalo kubonakala kuwukuziphikisa ngokwakho. Kuzazi ze-physics, lokhu kunengqondo, ngoba, ngokombono wabo, kuholela ekwambuleni imfihlakalo yendaba emnyama. Ukuhlaziywa okusha kwedatha evela ocwaningweni lwama-accelerator, ikakhulukazi imiphumela yomtshina we-BaBar, kubonisa lapho i-photon emnyama ingafihli khona, okungukuthi ayifaki izindawo lapho ingatholwanga khona. Ukuhlolwa kwe-BaBar, okwaqala ngo-1999 kuya ku-2008 e-SLAC (i-Stanford Linear Accelerator Center) e-Menlo Park, e-California, kuqoqe idatha kusuka ekungqubuzaneni kwe-electron-positron, ama-electron antiparticles ashajwe kahle. Ingxenye eyinhloko yokuhlolwa, ebizwa nge-PKP-II, ...

I-Bay Bridge, ibhuloho lesibili elidumile e-San Francisco ngemuva kweSango Legolide, lizoba ibhuloho lokuqala lalolu hlobo emhlabeni ukukhanyiswa ngamalambu e-LED. Kuzobekwa ama-LED angu-25000 esakhiweni ukuhlonipha iminyaka engu-75 sasungulwa. Igama lephrojekthi, eligunyazwe ngu-Leo Villareal, umdwebi owaziwa ngokufaka okunjalo, i-Lights Bay. Ngokohlelo, ukwethulwa kokukhanyisa kufanele kwenzeke ngoMashi 5. Kuzokwaziwa ukubancoma iminyaka emibili ezayo. Iqembu labantu abaningana abasebenza ngogesi lisebenzela ukufaka isistimu enkulu yokukhanyisa eluka inethiwekhi ecinene yezintambo ezizungeze ibhuloho. Ababhali balo msebenzi abavezi ukuthi izoba yini isikweletu sikagesi? Ingabe unayo iwebhusayithi yephrojekthi? zp8497586rq

Siqhubeka nokwethulwa okuphazamisekile kwezimoto ezinkulu. Ingxenye yesibili sizoyiqala ngento efiswa abaningi, ikakhulukazi abantu abasha, into eyaziwa ngamafilimu amaningi amahle kagandaganda waseMelika, evame ukucwebezela kude nge-chrome egqitshwe nge-chrome. Iloli laseMelika Ugandaganda omkhulu weloli onenjini enamandla ngaphambili, ecwebezela i-chrome elangeni futhi ubhoboza isibhakabhaka ngamapayipi okukhipha amanzi aqondile - isithombe esinjalo, esakhiwe isiko le-pop, ikakhulukazi i-cinematography, ngokuqinisekile sizovela phambi kwamehlo ethu lapho sicabanga ngakho. abalingani bamaloli baseMelika. Ngokuvamile, kuyoba umbono wangempela, nakuba zikhona ezinye izinhlobo zamaloli eMelika. Ingabe ngempela isitayela nomklamo ohlukile uvelaphi - ayikho impendulo engacacile kulo mbuzo, kodwa iziphetho eziningana zingafinyelelwa. Abantu baseMelika ngokuvamile bathanda izimoto ezinkulu, ngakho-ke lokhu kubonakala naselolini, imizila eMelika ...

I-US Navy inelungelo lobunikazi "lokuthuthukiswa kwesakhiwo sangempela," i-compact fusion reactor, injini "yokunciphisa i-inertial mass", nezinye izinto eziningi ezizwakalayo eziyinqaba. Umthetho Welungelo Lobunikazi wase-US e-US ikuvumela ukuthi ufake lezi zinto ezibizwa ngokuthi "Ama-UFO Patents". Nokho, ngokweminye imibiko, kwakuzokwakhiwa ama-prototypes. Okungenani yilokho okushiwo yi-The War Zone, eyenze uphenyo lobuntatheli kulawa malungelo obunikazi angaqondakaliyo. UDkt. Salvatore Cesar Pais (1) kufakazelwa ukuthi nguye owabasekela. Nakuba isithombe sakhe saziwa, izintatheli zibhala ukuthi azinasiqiniseko sokuthi ukhona ngempela lo muntu. Ngokusho kwabo, uPais usebenze eminyangweni eminingi eyahlukene. I-Navy, kuhlanganise ne-Naval Center Aviation Division (NAVAIR/NAWCAD) kanye ne-Strategic Systems Programme (SSP). Umsebenzi we-SSP:…

Sithole isikhulisi sesignali esisha esivela ku-TP-LINK. Le divayisi yesimanje yokuklama izosindisa kalula umsebenzisi enkingeni yalokho okubizwa. izindawo ezifile omunye nomunye wethu ahlangabezane nazo ohambweni lwethu olubonakalayo. Ngobuchwepheshe be-Wi-Fi be-11AC, singanweba kalula inethiwekhi yethu ekhona engenantambo. Kubalulekile ukuqaphela ukuthi i-amplifier isebenza nawo wonke amarutha angenawaya futhi ikuvumela ukuthi udale inethiwekhi yamabhendi amabili kulo lonke ikhaya lakho noma ihhovisi. Idivayisi inomklamo wesimanje kakhulu, ngenxa yalokho ingena kahle kunoma iyiphi ingaphakathi. Isebenza ngamabhendi amabili angenawaya - ngesivinini esingu-300 Mbps ebhendini engu-2,4 GHz kanye no-867 Mbps ebhendini engu-5 GHz, ngenxa yokuthi sithola ukuxhumana ngesivinini esiphelele esingafika ku-1200 Mbps. Nge. Ababili…

Ukuphahlazeka kwemodeli yemoto endizayo eshayelwa nguStefan Klein wenkampani yaseSlovakia i-AeroMobil, osekuyiminyaka eminingi isebenza ngalolu hlobo lomklamo, kwenze wonke umuntu owayesezibonile izimoto ezihambahambayo ezisetshenziswa nsuku zonke ukuthi aphinde amise imibono yakhe. Kolandelayo. U-Klein, ekuphakameni okungaba ngu-300 m, ukwazile ukwenza kusebenze uhlelo oluthuthukisiwe lwepharashuthi oluqaliswe esitsheni esikhethekile. Lokhu kwasindisa impilo yakhe - phakathi nengozi wayelimale kancane. Kodwa-ke, inkampani iqinisekisa ukuthi ukuhlolwa komshini kuzoqhubeka, nakuba akwaziwa kahle ukuthi ama-prototypes alandelayo azobhekwa nini alungele ukundiza endaweni evamile yomoya. Ziphi lezi zimanga ezindizayo? Engxenyeni yesibili yochungechunge lwama-movie athandwayo, i-Back to the Future, eyasungulwa ngo-2015, sibone izimoto zidlula ngesivinini...

Izikhali ezihlakaniphile - lo mqondo okwamanje unezincazelo ezimbili okungenani. Esokuqala sihlobene nezikhali zempi nezinhlamvu, eziqondiswe kuphela esitheni esihlomile, izikhundla zaso, izinto zokusebenza nabantu, ngaphandle kokulimaza izakhamuzi namabutho abo. Eyesibili ibhekisela ezimpini ezingeke zisetshenziswe yinoma ubani ngaphandle kwalabo ababizelwe ukwenza lokho. Lokhu kuhlanganisa abantu abadala, abanikazi, abantu abagunyaziwe, bonke labo abangeke bayisebenzise ngephutha noma ngezinjongo ezingekho emthethweni. Muva nje, kuye kwaba nezinhlekelele eziningana e-United States ezibangelwa ukungavikeleki okwanele kwezikhali ezinganeni. Indodana ka-Veronica Rutledge eneminyaka emibili ubudala ka-Blackfoot, u-Idaho yakhipha isibhamu esikhwameni sikanina yadonsa isibhamu, yambulala. Okulandelayo...

Isibhamu seglue, esaziwa ku-workshop njengesibhamu seglue, iyithuluzi elilula, lesimanje futhi eliwusizo kakhulu elikuvumela ukuthi usebenzise ama-adhesive ancibilikayo ashisayo ukuze ubophe izinto ezihlukahlukene. Ngenxa yezinhlobo ezintsha zokunamathiswa okunamathuba okufaka isicelo akhethekile, le ndlela iya ngokuya ithatha indawo yokuxhuma okujwayelekile kwemishini. Ake sibheke insimbi enhle ye-YATO ebomvu nemnyama ye-YT-82421. Isibhamu sifakwe emaphaketheni alahlwayo asobala okumele sitshatyalaliswe ngokungenakulungiseka ukuze sivulwe. Ngemva kokuqaqa, masifunde imiyalelo yokusetshenziswa, ngoba iqukethe ulwazi olubalulekile olwaziwa kangcono ngaphambili kunangemva komonakalo. Ngemuva kokuthi i-YT-82421 ivulwe ngomshini omncane, i-LED eluhlaza izokhanya. Faka induku yeglue emgodini ohlinzekwe ngale njongo ngemuva kwe-torso. Ngemva kokulinda cishe imizuzu emine kuya kweyisithupha, isibhamu sesilungile ...

Isimo sezulu soMhlaba siya ngokufudumele. Umuntu angaphikisana, okokuqala ngumuntu noma izizathu eziyinhloko kufanele zifunwe kwenye indawo. Nokho, izilinganiso ezinembile ezenziwa emashumini ambalwa eminyaka azinakuphikwa? izinga lokushisa ku-biosphere liya ngokuya likhuphuka, futhi iqhwa elimboze isifunda saseNorth Pole lancibilika laba usayizi ophansi orekhodiwe ehlobo lika-2012. Ngokusho kwedatha ekhishwe yi-German Institute for Renewable Energy, ukukhishwa kwe-anthropogenic ye-CO2, igesi ethathwa njengengxenye enkulu ekushintsheni kwesimo sezulu esibi, ifinyelele irekhodi lamathani ayizigidi eziyizinkulungwane ezingu-2011 ku-34. Ngokulandelayo, i-International Meteorological Organization yabika ngoNovemba 2012 ukuthi umkhathi womhlaba usuvele unezingxenye ezingu-390,9 esigidini se-carbon dioxide, okuyizingxenye ezimbili ngaphezu ...

Izinkomba ze-Acid-base ziyizinhlanganisela ezishintsha imibala ehlukene kuye nge-pH yendawo. Ezintweni eziningi zalolu hlobo, sizokhetha ipheya elizokuvumela ukuthi wenze ukuhlola okubonakala kungenakwenzeka. Eminye imibala iyakhiwa uma sihlanganisa eminye imibala. Kodwa ingabe sizoba luhlaza okwesibhakabhaka ngokuhlanganisa okubomvu nokubomvu? Futhi ngokuphambene nalokho: obomvu kusukela ekuhlanganiseni okuluhlaza okwesibhakabhaka nokuluhlaza okwesibhakabhaka? Wonke umuntu uzothi cha. Noma ubani, kodwa hhayi usokhemisi, lo msebenzi ongeke ube yinkinga kuye. Okudingayo i-asidi, isisekelo, inkomba ebomvu yase-Congo, namaphepha e-litmus abomvu naluhlaza Lungisa izixazululo ze-asidi kumabhekha (isibonelo, ngokungeza i-hydrochloric acid HCl encane emanzini) kanye nezixazululo eziyisisekelo (isixazululo se-sodium hydroxide, i-NaOH ). Ngemva...

Ingxenye engaphandle yesimiso sethu sonozungezilanga ingafaniswa nezilwandle zomhlaba. Njengazo nje (ngesilinganiso se-cosmic) cishe zisesandleni sethu, kodwa kunzima ngathi ukuzihlola kahle. Sazi ezinye izifunda eziningi ezikude kakhulu zesikhala kangcono kunezifunda zebhande le-Kuiper ngaphandle kwendlela ye-Neptune kanye nefu le-Oort ngaphandle (1). I-New Horizons probe isivele iphakathi kwe-Pluto kanye nethagethi yayo elandelayo yokuhlola, into yebhande le-Kuiper lika-2014. Lesi yisifunda esingaphezu komjikelezo we-Neptune, siqala ku-69 ​​AU. e. (noma a. e., okuyibanga elimaphakathi loMhlaba ukusuka eLangeni) futhi eligcina cishe ngo-30 a. e.eLangeni. 100. Ibhande le-Kuiper kanye nefu le-Oort i-New Horizons yemoto yasemoyeni engenamuntu,…

I-Activelink ye-Panasonic, edale i-Power Loader, ibiza ngokuthi "irobhothi eliqinisa amandla." Kuyafana nama-exoskeleton prototypes amaningi aboniswa emibukisweni yezohwebo nakwezinye izethulo zobuchwepheshe. Kodwa-ke, ihluke kubo ngokuthi maduze izokwazi ukuyithenga ngokujwayelekile nangenani elihle. I-Power Loader ithuthukisa amandla emisipha yomuntu ngama-actuator angama-22. Ama-impulses ashayela i-actuator yedivayisi idluliselwa uma amandla esetshenziswa ngumsebenzisi. Izinzwa ezibekwe ku-levers zikuvumela ukuba unqume hhayi kuphela ingcindezi, kodwa futhi i-vector yamandla asetshenzisiwe, ngenxa yokuthi umshini "wazi" ukuthi uzokwenza kuphi. Inguqulo okwamanje iyahlolwa ekuvumela ukuthi uphakamise ngokukhululeka ama-50-60 kg. Izinhlelo zihlanganisa i-Power Loader enamandla okulayisha u-100 kg. Abaqambi bagcizelela ukuthi idivayisi ayikho kakhulu ...

I-Pittsburgh Business Times yendawo ibone imoto ezishintshayo ehlolwe i-Uber emigwaqweni yalelo dolobha, eyaziwa ngohlelo lwayo lokusebenza oludumile oluthatha indawo yamatekisi asedolobheni. Izinhlelo zale nkampani zezimoto ezizishayelayo ziqale ukwaziwa ngonyaka odlule ngesikhathi imemezela ukusebenzisana nabacwaningi baseCarnegie Mellon University. I-Uber iphendule umbuzo wentatheli mayelana nokwakhiwa, iphika ukuthi uhlelo oluphelele. Umkhulumeli wale nkampani wachaza ephephandabeni ukuthi "bekuwumzamo wokuqala wokuhlola wokwenza imephu nokuphepha kwezinhlelo ezizimele." Futhi i-Uber ayifuni ukuhlinzeka ngolwazi olwengeziwe. Isithombe, esithathwe yiphephandaba, sibonisa i-Ford emnyama enombhalo othi "Uber Center of Excellence" kanye "nokukhula" kwesici esikhulu ophahleni, okungenzeka ukuthi iqukethe ...

Izibaseli eziwuketshezi zivame ukutholakala ekucwengisweni kwamafutha angcolile noma (ngezinga elincane) kusuka kumalahle nama-lignite. Zisetshenziselwa ngokuyinhloko ukushayela izinjini zomlilo zangaphakathi futhi, kancane kancane, ukuqala ama-boilers we-steam, ngokushisa kanye nezinjongo zobuchwepheshe. Amandla oketshezi abaluleke kakhulu yilawa: uphethiloli, udizili, uwoyela uphethiloli, uphalafini, uphethiloli wokwenziwa. Igesi Ingxube yama-hydrocarbon awuketshezi, okungenye yezinhlobo eziyinhloko zikaphethiloli ezisetshenziswa ezinjinini zezimoto, izindiza kanye namanye amadivaysi. Futhi isetshenziswa njenge-solvent. Ngokombono wamakhemikhali, izingxenye eziyinhloko zikaphethiloli ama-aliphatic hydrocarbon anenani lama-athomu ekhabhoni kusukela ku-5 kuya ku-12. Uphethiloli uphakela injini amandla ngokuvutha, okungukuthi, ngomoya-mpilo ovela emkhathini.…