The tests need to use a more precise value for a certain constant.
The +/- 25% in the problem statement does not match the test results.
Agreed on both counts.
it seems the test result is centimeter, not nanometer
A great physics problem. However, it does not work with a more accurate value of speed of light, namely
c = 299,792 kilometers per second
definitely agree with your comments
Which doors are open?
Sums with Excluded Digits
Largest Twin Primes
Is it an Armstrong number?
Basic electricity in a dry situation
cos for boss?
pressure to dB?
Mr. Pyramidad & Ms. Whissy Bolower
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