Did the genome of our cave-dwelling predecessors contain a set or sets of genes which enable modern man to compose music of infinite complexity and write novels with profound meaning? …It looks as though the early Homo was already provided with the intellectual potential which was in great excess of what was needed to cope with the environment of his time.” - Susumu Ohno 1928 to 2000 Geneticist
The uniform character of mathematics is the essence of science for mathematics is the foundation of all exact scientific knowledge. ~ David Hilbert 1862 – 1943 Mathematician
Mikhail Dolivo-Dobrovolsky (1862–1919) Poland/Russia – three-phase electric power (first 3-phase hydroelectric power plant 3-phase electrical generator 3-phase motor and 3-phase transformer).
B. F. Skinner (1904–1990) USA – Operant conditioning chamber.
Lewis Latimer (1848–1928) USA – Invented the modern day light bulb.
Felix Hoffmann (Bayer) (1868–1949) Germany – Aspirin.
Emmett Chapman (1936–) US – Chapman Stick.
Gerhard Sessler (born 1931) Germany – foil electret microphone silicon microphone.
Aleksandr Stoletov (1839–1896) Russia – first solar cell based on the outer photoelectric effect.
Dmitri Mendeleev (1834–1907) Russia – Periodic table pycnometer pyrocollodion.
Ronald Price Hickman (1932–2011) USA - designed the original Lotus Elan the Lotus Elan +2 and the Lotus Europa as well as the Black & Decker Workmate.
Matthew Piers Watt Boulton (1820–1894) UK – aileron.
János Csonka (1852–1939) Hungary – co-inventor of carburetor.
Heinrich Hertz (1857–1894) Germany – radio telegraphy electromagnetic radiation.
Anastase Dragomir (1896–1966) Romania – Ejection seat.
Margaret E. Knight (1838–1914) USA – machine that completely constructs box-bottom brown paper bags.
Henry Shrapnel (1761–1842) UK – Shrapnel shell ammunition.
Pavel Schilling (1786–1837) Estonia/Russia – first electromagnetic telegraph mine with an electric fuse.
Bi Sheng (Chinese: 畢昇) (c. 990–1051) China – clay movable type printing.
Colin Murdoch (1929–2008) New Zealand – a.o. Tranquillizer gun disposable hypodermic syringe.
Karl-Hermann Geib (1908–1949) Germany / USSR – Girdler sulfide process.
Thomas J. Fogarty (born 1934) USA – Embolectomy catheter (medicine).
Division is esteemed one of the busiest operations of Arithmetic and such as requireth a mind not wandering or settled upon other matters. ~ Thomas Hylles The arte of vulgar arithmeticke 1600 - Mathematician
The chief philosophical value of physics is that it gives the mind something distinct to lay hold of which if you don’t Nature at once tells you you are wrong. ~ James Clerk Maxwell 1831 to 1879
A theory is a supposition which we hope to be true a hypothesis is a supposition which we expect to be useful; fictions belong to the realm of art; if made to intrude elsewhere they become either make-believes or mistakes. - George Johnstone Stoney 1826 to 1911 Physicist
Biology is the study of the complex things in the Universe. Physics is the study of the simple ones. ~ Richard Dawkins 1941 – present - Evolutionary Biologist
Perhaps it is not amiss to remark that the biologist may not hope to solve the ultimate problems of life any more than the chemist and physicist may hope to penetrate the final mysteries of existence in the non-living world. ~ Edmund Beecher Wilson 1856 to 1939 - Geneticist Biologist
What is possible in the Cavendish Laboratory may not be too difficult in the sun. - Sir Arthur Eddington 1882 to 1944 Astronomer Physicist Mathematician
There may be babblers wholly ignorant of mathematics who dare to condemn my hypothesis upon the authority of some part of the Bible twisted to suit their purpose. I value them not and scorn their unfounded judgment. ~ Nicolaus Copernicus 1473 – 1543 Mathematician and Astronomer
- 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.