Pierre Curie voluntarily exposed his arm to the action of radium for several hours. This resulted in damage resembling a burn that developed progressively and required several months to heal. Henri Becquerel had by accident a similar burn as a result of carrying in his vest pocket a glass tube containing radium salt. He came to tell us of this evil effect of radium exclaiming in a manner at once delighted and annoyed: “I love it but I owe it a grudge.” ~ Marie Curie 1867 to 1934
Simple laws can very well describe complex structures. The miracle is not the complexity of our world but the simplicity of the equations describing that complexity. ~ Sander Bais b. 1945 - Theoretical Physicist
Min Chueh Chang (1908–1991) together with Gregory Goodwin Pincus (1903–1967) USA/China – Combined oral contraceptive pill.
Elihu Thomson (1853–1937) UK USA – Prolific inventor Arc lamp and many others.
Felix Hoffmann (Bayer) (1868–1949) Germany – Aspirin.
Raul Cuero (born 1948) Buenaventura Colombia see Inventions and patents list.
William Cumberland Cruikshank (1745–1800) UK – chlorinated water.
Antonio Pacinotti (1841–1912) Italy – Pacinotti dynamo.
Leó Szilárd (1898–1964) Hungary/USA – Co-developed the atomic bomb patented the nuclear reactor catalyst of the Manhattan Project.
Hermann von Helmholtz (1821–1894) Germany – Helmholtz pitch notation Helmholtz resonator ophthalmoscope.
Charles H. Henry (born 1937) USA – Quantum well laser.
György Gömöri (1904–1957) Hungary / USA– Gömöri trichrome stain Gömöri methenamine silver stain (histology).
Aurel Persu (1890–1977) Romania – first aerodynamic car aluminum body with wheels included under the body 1922.
George Crum (1822–1914) USA – potato chips.
Fritz Klatte (1880–1934) Germany – vinyl chloride forerunner to polyvinyl chloride.
Josip Belušić (1847–?) Croatia – electric speedometer.
Hugh Bradner (1915–2008) USA – Wetsuit.
Hanaoka Seishū (1760–1835) Japan – General anaesthetic.
Spede Pasanen (1930–2001) Finland – a.o. ski jumping sling boat ski.
John Roebuck (1718–1794) UK – lead chamber process for sulfuric acid synthesis.
Oliver Smithies (born 1925) together with Sir Martin John Evans (1941–) and Mario Ramberg Capecchi (1937–) USA – Knockout mouse Gene targeting.
Semen Korsakov (1787–1853) Russia – punched card for information storage.
Chemistry is necessarily an experimental science: its conclusions are drawn from data and its principles supported by evidence from facts. ~ Michael Faraday - 1791 to 1867
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
An experiment is a question which science poses to Nature and a measurement is the recording of Nature’s answer. - Max Planck 1858 to 1947 Theoretical Physicist
Trial by combat of wits in disputations has no attraction for the seeker after truth; to him the appeal to experiment is the last and only test of the merit of an opinion conjecture or hypotheses. - Joseph Mellor 1869 to 1938 Chemist
The invention of logarithms came to the world as a bolt from the blue. No previous work had led up to it… It stands isolated breaking in upon human thought abruptly without borrowing from the work of other intellects or following known lines of mathematical thought. ~ John Moulton 1844 – 1921 - Mathematician
A fact acquires its true and full value only through the idea which is developed from it. - Justus von Liebig 1803 to 1873 Chemist
All of physics is either impossible or trivial. It is impossible until you understand it and then it becomes trivial. ~ Ernest Rutherford 1871 to 1937
- 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.