In my experience most mathematicians are intellectually lazy and especially dislike reading experimental papers. ~ Francis Crick 1916 – 2004 - Molecular Biologist
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
Robert N. Hall (born 1919) USA – a.o. Semiconductor laser.
Jabir ibn Aflah (Geber) (c. 1100–1150) Islamic Spain – portable celestial globe.
Vint Cerf (born 1943) together with Bob Kahn (1938–) USA – Internet Protocol (IP).
James Henry Greathead (1844–1896) South Africa – tunnel boring machine tunnelling shield technique.
Adolphe Sax (1814–1894) Belgium – saxophone.
Boris Mamyrin (1919–2007) Russia – reflectron (ion mirror).
Konstantin Konstantinov (1817 or 1819–1871) Russia – device for measuring flight speed of projectiles ballistic rocket pendulum launch pad rocket-making machine.
Ignazio Porro (1801–1875) Italy – Porro prism Strip camera.
Nikolay Benardos (1842–1905) Russia – arc welding (specifically carbon arc welding the first arc welding method).
Arturo Caprotti (1881–1938) Italy – Caprotti valve gear.
William Justin Kroll (1889–1973) Luxemburg/USA – Kroll process.
Baltzar von Platen (1898–1984) Sweden – gas absorption refrigerator.
Ed Seymour (inv. c. 1949) USA – Aerosol paint.
Banū Mūsā brothers Muhammad (c. 800–873) Ahmad (803–873) Al-Hasan (810–873) Iraq – mechanical trick devices hurricane lamp self-trimming and self-feeding lamp gas mask clamshell grab fail-safe system mechanical musical instrument automatic flute player programmable machine.
Samuel Colt (1814–1862) USA – Revolver.
Hyman George Rickover (1900–1986) USA – Nuclear submarine.
Corradino D'Ascanio (1891–1981) Italy – D'AT3 helicopter; Vespa scooter.
Larry Page (born 1973) USA – with Sergey Brin invented Google web search engine.
Fritz Pfleumer (1881–1945) Germany – magnetic tape.
John Frederic Daniell (1790–1845) United Kingdom – Daniel cell.
Archimedes’ finding that the crown was of gold was a discovery; but he invented the method of determining the density of solids. Indeed discoverers must generally be inventors; though inventors are not necessarily discoverers. - William Ramsay 1852 to 1916 Chemist
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
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 Chemist Physicist
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
Science is the acceptance of what works and the rejection of what does not. That needs more courage than we might think. - Jacob Bronowski 1908 to 1974 Mathematician Biologist
Geometry is one and eternal shining in the mind of God. That men share in it is among the reasons that Man is the image of God. ~ Johannes Kepler 1571 – 1630 Mathematician and Astronomer
I am not insensible of the advantage which accrues to Applied Mathematics from the co-operation of the Pure Mathematician and this co-operation is not infrequently called forth by the very imperfections of writers on Applied Mathematics. ~ Ronald Fisher 1890 – 1962 - Mathematician Statistician Evolutionary Biologist
- 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