Chemistry unlike other sciences sprang originally from delusions and superstitions and was at its commencement exactly on a par with magic and astrology. ~ Thomas Thomson - 1773 to 1852
Find the number such that if the whole of it is added to one-seventh of it the result will be nineteen. ~ The Ahmes Papyrus Ancient Egyptian mathematics problem from c. 2200 BC
Jacques Cousteau (1910–1997) France – co-inventor of the aqualung and the Nikonos underwater camera.
John Bennet Lawes (1814–1900) UK – superphosphate or chemical fertilizer.
Octave Chanute (1832–1910) US – Civil Engineer.
John Thompson Dorrance (1873–1930) USA – Condensed soup.
Anatoly Kharlampiev (1906–1979) Russia – Sambo (martial art).
William Bradford Shockley (1910–1989) USA – co-inventor of transistor.
Andrey Geim (born 1958) Russia/United Kingdom – graphene.
Nicolas-Joseph Cugnot (1725–1804) France – first steam-powered road vehicle.
Ladislas Starevich (1882–1965) Russia/France – puppet animation live-action/animated film.
John Hadley (1682–1744) UK – Octant.
Alfred William Gallagher (1911–1990) New Zealand – Electric fence for farmers.
Simon Sunatori (born 1959) Canada – inventor of MagneScribe and Magic Spicer.
Yefim Smolin Russia – table-glass (stakan granyonyi).
Sergey Malyutin (1859–1937) Russia – designed the first matryoshka doll (together with Vasily Zvyozdochkin).
August Schrader (1820–?) USA – Schrader valve for Pneumatic tire.
Richard James Burgess (born 1949) UK – Simmons (electronic drum company) co-inventor of SDS5 drum synthesizer.
Willard Frank Libby (1908–1980) USA – radiocarbon dating.
David Gestetner (1854–1939) Austria-Hungary / UK – a.o. Gestetner copier.
John Landis Mason (1826–1902) USA – Mason jars.
Corliss Orville Burandt USA – Variable valve timing.
We cannot define anything precisely! If we attempt to we get into that paralysis of thought that comes to philosophers who sit opposite each other one saying to the other ‘You don’t know what you are talking about!’ The second one says ‘What do you mean by know? What do you mean by talking? What do you mean by you?’ and so on. ~ Richard Feynman 1918 to 1988
When you hear a physicist invoke the uncertainty principle keep a hand on your wallet. ~ David Griffiths b. 1942
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
I think it would be quite wrong to suggest that my colleagues have rejected me or that I reject them. Quite the reverse. It’s only a small vociferous group – mainly biologists I’m sorry to say – that go beyond ordinary scientific criticism and start becoming personal. ~ James Lovelock 1919 – present - Gaia Theorist Inventor Scientific Polymath
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
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
The development of biology is going to destroy to some extent our traditional grounds for ethical belief and it is not easy to see what to put in their place. ~ Francis Crick 1916 – 2004 Molecular Biologist
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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.