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
I saw that people trying to synthesize gold and silver were working in ignorance and by false methods; I then perceived that they belonged to two classes the dupers and the duped. I pitied both of them. ~ Geber c. 712 – c. 815 AD
Paul C. Fisher (1913–2006) USA – Space Pen.
Ibn al-Haytham (Alhazen) (965–1039) Iraq – camera obscura pinhole camera magnifying glass.
Sergei Winogradsky (1856–1953) Russia / USSR – Winogradsky column for culturing microorganisms.
Arkhip Lyulka (1908–1984) Russia – first double jet turbofan engine other Soviet aircraft engines.
Vladimir Baranov-Rossine (1888–1944) Ukraine/Russia/France – Optophonic Piano pointillist or dynamic military camouflage.
Abū Rayhān al-Bīrūnī (973–1048) Persia/Iran – mechanical geared lunisolar calendar laboratory and surveying equipment..
Christoph Gerber (?–) with Calvin Quate (1923–) and with Gerd Binnig (1947–) Germany/USA/Switzerland – Atomic force microscope.
Edwin Southern (born 1938) USA – Southern blot (molecular biology).
Nikolay Slavyanov (1854–1897) Russia – shielded metal arc welding.
Fujio Masuoka (1943–) Japan – Flash memory.
Mikhail Koshkin (1898–1940) Russia – T-34 medium tank the best and most produced tank of World War II.
Christiaan Huygens (1629–1695) Netherlands – pendulum clock.
Lisitsyn brothers Ivan Fyodorovich and Nazar Fyodorovich Russia – samovar (the first documented makers).
Carl Roman Abt (1850–1933) Switzerland – Abt rack railway system.
Mordecai Meirowitz (born c. 1925) Roumania / Israel – Mastermind (board game).
Robert W. Gore (born 1937) United States – Gore-Tex.
Sandford Fleming (1827–1915) Canada – Universal Standard Time.
William Justin Kroll (1889–1973) Luxemburg/USA – Kroll process.
Henry Shrapnel (1761–1842) UK – Shrapnel shell ammunition.
Jacob Rabinow (1910–1999) USA – a.o. Magnetic particle clutch various Phonograph-related patents.
The time however has arrived when biology must like the other sciences make a fresh start in a purely speculative direction free from all entanglement with medical or any other art. ~ Auguste Compte 1798 to 1857 - Philosopher of Science
Before the Copernican revolution it was natural to suppose that God’s purposes were specifically concerned with the earth but now this has become an unplausible hypothesis. If it is the purpose of the Cosmos to evolve mind we must regard it as rather incompetent in having produced so little in such a long time. ~ Bertrand Russell 1872 – 1970 - Mathematician and Philosopher
There is no law except the law that there is no law. - John Archibald Wheeler 1911 to 2008 Theoretical Physicist
Suppose we have an unknown number of objects. When counted in threes 2 are left over when counted in fives 3 are left over and when counted in sevens 2 are left over. How many objects are there? ~ Sunzi The Mathematical Classic of Sunzi - Chinese mathematics problem from c. 450 AD
Falsity in intellectual action is intellectual immorality. - Thomas Chrowder Chamberlin 1843 to 1928 Geologist
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
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
- Main Function:G18 is merely gsm alarm system,G183 update version work with 3G gsm sim card DIY home security alarm system,which can either work in standalone mode without sim card or a standard size sim card(not micro and nano) to call/text up to 6 phone numbers via cellular network,AT&T,T-mobile sim card recommend.As 2G will be no longer available in the USA in 2019,AT&T has already shut off 2G service in 2017.3G alarm system more reliable than the wifi one in case of the internet failure.
- APP Control burglar system:First download app(search "G18 alarm system" at google or iphone app store) free and register an account,insert a sim card to alarm keypad,remote control the security system by text in APP on your smartphone from anywhere at anytime.PIR motion sensor detect any suspicious movement or activity,Door/window sensor detect any forceful break-in.When detectors are triggered,the alarm host will receive the alarm alert meantime call your phone,disarm it by app/sms/call
- Brief Description:This is an indoor basic security alarm system kit complete with fully programmable main unit and sensors,can be used directly after unplugging insulation sheet to protect home,office,shop apartment,business;DIY supportable 99 wireless zones up to 150 remote key fobs and 150 sensors,add more sensors as detailed need such as gas detector,water leaking sensor to provide all-around reliable protection.Additional Sensors can be find in our shop or we can customize the kits for you.
- Humanized Design: Easy operation with TFT color touch screen,voice prompt design during setting;Built in 3.7V 800mAh rechargeable lithium battery that can last about 6-8 hours with full power, it will change to use battery to work in the case of power failure, just make sure that switch is on. Other useable features such as arming delay, keypad lock, timing arming etc.
- Customer Service: 12-month warranty, professional technical support and friendly responsive customer service within 24 hours. If you have any questions, welcome to contact us via amazon emails or seach "KERUI G183 security alarm system introduction" on youtube.
- ALL-IN-ONE HOME AUTOMATION: Make your house a smart home in minutes, one room at a time. Simply replace your Dual Switch (double gang) light switch with NuBryte Touchpoint. Connect & Protect, from any NuBryte console, or remotely via Nubryte APP.
- HOME SECURITY: Detract and deter with 100 decibel siren and flashing overhead lights. Instant video alerts to your phone when triggered (with NuBryte APP). Built-in wide-angle camera and advanced motion detection up to 30'. No Contracts/Monthly Fees.
- SMART LIGHTING: Touch-Free light control, and 5 easy-to-use lighting automation and digital dimming modes. Motion-based on/off, Morning Wake Up, Bedtime dimmer, Night light and Vacation lights. Works with standard dimmable bulbs.
- INTERCOM: Combine 2 or more Touchpoint consoles for an instant home intercom system. (WiFi)
- FAMILY HUB: Indoor/Outdoor Temperature & Humidity, 5-Day Weather Forecast, Calendar, Notifications and Event Alerts, Energy Monitoring, and more! Now, with Amazon Alexa voice control with Echo, Dot, and Tap!
- Updated 2015 Model with Newest Firmware and Software
- Wifi Connectivity for Remote and Monitoring Options (Requires Monthly Fee)
- Zwave ready for Control of Lights, Door locks, Thermostats and Garage Doors
- Award Winning Technology and Design
- Includes: (3) 5816 Door/Window Transmitters, (1) 5834-4 Four-Button Wireless Keyfob (1) 5800 Pir-Res Wireless Motion Detector (1) Wifi Module (1) Zwave Module (1) 4gl GSM Cellular module