Valid criticism does you a favor. - Carl Sagan 1934 to 1996 Astronomer
Physics is very muddled again at the moment; it is much too hard for me anyway and I wish I were a movie comedian or something like that and had never heard anything about physics! ~ Wolfgang Pauli 1900 – 1958
Robert Hooke (1635–1703) UK – balance wheel iris diaphragm acoustic telephone.
Joseph G. Gall (born 1928) USA – In situ hybridization (cell biology).
Konstantin Khrenov (1894–1984) Russia – underwater welding.
Alexander Fleming (1881–1955) Scotland – penicillin.
David Strang (inv. 1890) New Zealand – first Instant coffee.
John Blenkinsop (1783–1831) UK – Blenkinsop rack railway system.
Albert Coons (1912–1978) USA – Immunofluorescence (microscopy).
Aurel Persu (1890–1977) Romania – first aerodynamic car aluminum body with wheels included under the body 1922.
Archibald Low (1882–1956) Britain – Pioneer of radio guidance systems.
Karl-Hermann Geib (1908–1949) Germany / USSR – Girdler sulfide process.
Elmer Ambrose Sperry (1860–1930) USA – gyroscope-guided automatic pilot.
Frank Marugg (inv. 1944) USA – Wheel clamp.
John Harington (1561–1612) UK – the flush toilet.
Johann Wolfgang Döbereiner (1780–1849) Germany – Döbereiner's lamp (chemistry).
Tanaka Hisashige (1799–1881) Japan – Myriad year clock.
Vasily Andreyev (1861–1918) Russia – standard balalaika.
Joseph Henry (1797–1878) Scotland/USA – electromagnetic relay.
George Ballas (1925–2011) USA – String trimmer.
Arturo Caprotti (1881–1938) Italy – Caprotti valve gear.
Al-Kindi (Alkindus) (801–873) Iraq/Yemen – ethanol pure distilled alcohol cryptanalysis frequency analysis.
Botany consists in the gathering of plants and the dismembering of them in connection with the use of a complicated terminology. That is the beginning and end of botany as it is understood by the majority. ~ Herbert Maule Richards 1871 to 1928 - Botanist
I believe that thirty million of these animalcules together would not take up as much room or be as big as a coarse grain of sand. ~ Antonie van Leeuwenhoek 1632 to 1723 - Biologist
It is a platitude that pure mathematics can have unexpected consequences and affect even daily life. ~ J.E. Littlewood 1885 – 1977 - Mathematician
Macroscopic objects as we see them all around us are governed by a variety of forces derived from a variety of approximations to a variety of physical theories. In contrast the only elements in the construction of black holes are our basic concepts of space and time. They are thus almost by definition the most perfect macroscopic objects there are in the universe. ~ Subrahmanyan Chandrasekhar 1910 to 1995
A fact acquires its true and full value only through the idea which is developed from it. ~ Justus von Liebig - 1803 to 1873
It is strange that only extraordinary men make the discoveries which later appear so easy and simple. - Georg C. Lichtenberg 1742 to 1799 Physicist
We think there is color we think there is sweet we think there is bitter but in reality there are atoms and a void. ~ Democritus c. 460 – c. 370 BC
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- 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.