Intermediate Word:  bolometer  (a) used to measure tree trunk diameters  (b) temperature-measuring radiometer  (c) meters out the exact amount of drug needed for an intravenous injection  (d) ballistic microammeter
Difficult Word: - ametropia -  a) eye abnormality  (b) inclined to change direction  (c) root growth in the direction of greatest moisture  (d) ability to navigate during migrations 


 Getting Man Back To Luna Let Alone Mars Will Need More Than Rhetoric - SpaceDaily  If George W. Bush, in an announcement likely to be made next Wednesday, intends to put an American on Mars, the endeavour will require commitment that endures way beyond his presidency, a gamble on technology and buckets of dollars. Sources in the US National Aeronautics and Space Administration (NASA) say the Bush scheme entails scrapping the ageing shuttle fleet by the end of this decade, pulling back from the International Space Station (ISS) a few years later and ploughing resources into lunar and then interplanetary manned missions. Trips to the Moon, where Man last set foot more than 31 years ago, would resume around 2015, providing the experience and expertise for a later mission to Mars, according to these sources.
 Is Gusev Crater The Site Of An Ancient Martian Lake? -SpaceDaily  Left:  This image shows the martian terrain through the eyes of the Mars Exploration Rover Spirit's mini-thermal emission spectrometer, an instrument that detects the infrared light, or heat, emitted by objects. The different colored circles show a spectrum of soil and rock temperatures, with red representing warmer regions and blue, cooler. A warm and dusty depression similar to the one dubbed Sleepy Hollow stands out to the upper right. Scientists and engineers will use this data to pinpoint features of interest, and to plot a safe course for the rover free of loose dust. The mini-thermal emission spectrometer data are superimposed on an image taken by the rover's panoramic camera. Image credit: NASA/JPL/Arizona State University/Cornell University "We came [to Gusev] looking for carbonates," said Phil Christensen, payload instrument lead for Spirit's mini-thermal emission spectrometer (Mini-TES). "And we have found carbonates."

Mr Wang on the Rad2Go

Stand by for the attack of the Segway scooter clones - BBC  You could soon see a lot more people zipping around on stand-up Segway-type electric scooters. A US company has come up with an imitation of the invention that was supposed to revolutionise transport. The Rad2Go Q electric scooter looks like a Segway, but has four wheels and costs a quarter of the price. "The Segway is a marvellous invention," said Rad2Go President John Wang, "but for me it is too much technology for moving from point A to point B." The Segway is a two-wheeled, self-balancing scooter which sells for $4,495 on Amazon. Just a quick glance at the Q reveals that it is no Segway. For its part, the Q stands on four wheels as there is no sophisticated built-in gyroscope. The device is also significantly cheaper, costing between $1,000 and $1,500, depending on the model. The Q has two 150 watt motors built into the wheels, powered by a 24 volt battery that lasts for between 10 and 15 miles. It can reach a top speed of 10mph, which is comparable to the Segway. The scooter also comes with a throttle controlled by the thumb, brakes, a headlamp and even indicator lights. Mr Wang said they had sold thousands of units in just a few days, with people taking advantage of a discounted price of $800.

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