A cylinder of air reaching to the top of the atmosphere is of equal weight with a cylinder of water about 33 feet high. ~ Isaac Newton 1642 to 1727
But though the professed aim of all scientific work is to unravel the secrets of nature it has another effect not less valuable on the mind of the worker. It leaves him in possession of methods which nothing but scientific work could have led him to invent. ~ James Clerk Maxwell 1831 to 1879
Anders Celsius (1701–1744) Sweden – Celsius temperature scale.
S. Scott Crump (inv. c. 1989) USA – a.o. Fused deposition modeling.
Lala Balhumal Lahuri (c. 1842) Mughal India – seamless globe and celestial globe.
Ross Granville Harrison (1870–1959) USA – first successful animal Tissue culture Cell culture.
Mardi bin Ali al-Tarsusi (c. 1187) Middle East – counterweight trebuchet mangonel.
Marcel Kiepach (1894-1915) Croatia - dynamo maritime compass that indicates north regardless of the presence of iron or magnetic forces.
Ladislas Starevich (1882–1965) Russia/France – puppet animation live-action/animated film.
Willard Frank Libby (1908–1980) USA – radiocarbon dating.
Jonas Ferdinand Gabriel Lippmann (1845–1921) France – Lippmann plate Integral imaging Lippmann electrometer.
Jonas Edward Salk (1914–1995) USA – injection Polio vaccine.
Léon Serpollet (1858–1907) France – Flash boiler Gardner-Serpollet steam car.
Gustaf Erik Pasch (1788–1862) Sweden – safety match.
Dmitri Garbuzov (1940–2006) Russia/USA – continuous-wave-operating diode lasers (together with Zhores Alferov) high-power diode lasers.
Edwin H. Land (1909–1991) USA – Polaroid polarizing filters and the Land Camera.
Adolphe Sax (1814–1894) Belgium – saxophone.
William Murdoch (1754–1839) Scotland – Gas lighting.
Thomas Savery (1650–1715) UK – steam engine.
Nick Holonyak (born 1928) USA – LED (Light Emitting Diode).
Eric Fossum (born 1957) USA – intra-pixel charge transfer in CMOS image sensors.
Sharaf al-Dīn al-Tūsī (1135–1213) Persia/Iran – linear astrolabe.
Everything that human beings or living animals do is done by protein molecules. And therefore the kind of proteins that one has and therefore the ability one has is determined by the genes that one has. ~ Har Gobind Khorana 1922 – 2011 - Molecular Biologist
Archimedes’ finding that the crown was of gold was a discovery; but he invented the method of determining the density of solids. Indeed discoverers must generally be inventors; though inventors are not necessarily discoverers. - William Ramsay 1852 to 1916 Chemist
Progress is made by trial and failure; the failures are generally a hundred times more numerous than the successes ; yet they are usually left unchronicled. - William Ramsay 1852 to 1916 Chemist
Falsity in intellectual action is intellectual immorality. - Thomas Chrowder Chamberlin 1843 to 1928 Geologist
Dr. Ikemoto repeatedly told me that we should not perform research that simply reproduced somebody else’s results. Rather we should do something unique and new. ~ Shinya Yamanaka 1962 to Present - Stem Cell Biologist
In our work we are always between Scylla and Charybdis; we may fail to abstract enough and miss important physics or we may abstract too much and end up with fictitious objects in our models turning into real monsters that devour us. ~ Murray Gell-Mann b. 1929
With monads and diads and pentads and triads My brain has been addled completely; And what’s really meant by ‘something-valent ’ Is a question I give up discretely. ~ John Cargill Brough - 1834 to 1872
- On demand access - access 720p HD live video at any time from your smartphone or the web, with built-in night vision.
- Personalized voice message - a recorded message will play when you can't answer the door.If the lights are solid blue, please type + , choose Wireless Device instead of Zink to find the doorbell.
- Answer the door wherever you are - see and speak to visitors directly from your smartphone.If all the lights are flashing green, please check your smartphone and make sure it is connected to a 2.4Ghz wifi network. If your router is a dual band router, meaning it supports both 5.0Ghz and 2.4Ghz networks, be sure the SSID (network name) is different for each. You will need your mobile device to be connected to the 2.4Ghz during setup. Passwords and SSID names must be a minimum of 6 characters.
- Smart motion detection - receive an alert and a recorded video clip whenever motion is detected.
- Easy setup - use existing wiring for quick installation and connect to WiFi using the free Zmodo app. Use Beam to easily set up Greet. With Beam Connect, setup is as simple as telling the app how many devices are powered on and ready to pair. If your router supports AC, you will need to disable that during the setup. In your router, you may need to take it out of mixed mode, or put it into legacy mode.
- See, hear and speak to anyone at your door from your smartphone, tablet or PC.
- Get instant alerts when visitors press your Doorbell or trigger the built-in motion sensors.
- Watch over your home in crystal-clear HD video.
- Protect your home - day or night - with infrared night vision.
- Communicate with visitors via two-way audio with noise cancellation.
- WIFI signal,the whole network interconnection. Remote calling, intercom, and unlock. Using most popular touch key technology, advanced and high Sensitivity, greatly extend the key life. Clear camera, and equipped with automatic light sensitive chip. If the light is not enough, it will use the IR night vision function to monitor and capture HD video and pictures.
- Motion detection function. You can open or close this function according to different working environments. Capture and video mode for choosing. Powered by DC 5V, more safe.
- Simple app operation in mobile phone, easy installation. support anrdoid and ios app APP download address remind: please search " door phone" for apple store(for ios app) and for google player(for android app).
- High-strength tempered glass surface, luxury, anti-resistant and scratches, has longer working life. With rain cover and touch key surface, better waterproof function.
- Easy to install. You can fix it with screws, or paste with double-sided tape. One door phone can be connected to several mobile phone, PC, or computers. Optional indoor dingdong doorbells to match. While calling to the mobile phone, the indoor doorbell will ring too.