To test this idea, Dr Hebets turned to her make-up bag and brought out two shades of nail varnish (NailSlicks, midnight metal and bronze ice, as her paper in the Proceedings of the National Academy of Sciences quite properly describes in its materials and methods section, in case any other researcher wishes to replicate the experiment).

ECONOMIST: Female spiders are picky lovers

Both also result in materials that have, in some sense, no resistance in the case of a superfluid, this means zero viscosity and frictionless flow.

ECONOMIST: The Nobel prizes

In the case of Vulcan Materials Co , the RSI reading has hit 29.2 by comparison, the universe of metals and mining stocks covered by Metals Channel currently has an average RSI of 39.2, the RSI of Spot Gold is at 36.6, and the RSI of Spot Silver is presently 21.5.

FORBES: VMC Stock Crowded With Sellers

In the case of Vulcan Materials Co , the RSI reading has hit 30.0 by comparison, the universe of metals and mining stocks covered by Metals Channel currently has an average RSI of 37.8, the RSI of Spot Gold is at 36.8, and the RSI of Spot Silver is presently 40.7.

FORBES: VMC Stock Crowded With Sellers

In the case of Vulcan Materials Co , the RSI reading has hit 29.2 by comparison, the universe of metals and mining stocks covered by Metals Channel currently has an average RSI of 36.3, the RSI of Spot Gold is at 24.6, and the RSI of Spot Silver is presently 26.3.

FORBES: Vulcan Materials Stock Getting Very Oversold

If you need more evidence that the antidumping status quo is weighted heavily against import-consuming U.S. industries, consider this gem: three of the nine mineral raw materials that are the subject of the U.S. case against China in the WTO (magnesium, silicon metal, and coke) are simultaneously subject to U.S antidumping restrictions.

FORBES: Antidumping Reform Crucial to U.S. Competitiveness

In the case of trusted parties, both the sender and recipient want the materials to self-destruct so as to prevent unauthorized parties from obtaining them.

FORBES: A Warning about SnapChat, Teenagers, and Online Photo Sharing